[ 22.060990][ T338] netconsole: network logging started [ 22.061007][ T338] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 22.061010][ T338] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 338, name: modprobe [ 22.061012][ T338] preempt_count: 1, expected: 0 [ 22.061012][ T338] RCU nest depth: 0, expected: 0 [ 22.061013][ T338] locks held by modprobe/338: 4, last CPU#1: [ 22.061015][ T338] #0: ffffffffb6999dc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 22.061028][ T338] #1: ffffffffb6999e38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 22.061032][ T338] #2: ffffffffb6889760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 22.061036][ T338] #3: ffffffffb6889660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 22.061040][ T338] irq event stamp: 39482 [ 22.061040][ T338] hardirqs last enabled at (39481): [] __down_trylock_console_sem+0x86/0xa0 [ 22.061043][ T338] hardirqs last disabled at (39482): [] console_emit_next_record+0x3f8/0x4f0 [ 22.061045][ T338] softirqs last enabled at (36920): [] handle_softirqs+0x67c/0x900 [ 22.061048][ T338] softirqs last disabled at (36913): [] __irq_exit_rcu+0x145/0x1c0 [ 22.061050][ T338] Preemption disabled at: [ 22.061050][ T338] [] vprintk_emit+0x31b/0x3e0 [ 22.061056][ T338] CPU: 1 UID: 0 PID: 338 Comm: modprobe Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 22.061060][ T338] Tainted: [W]=WARN [ 22.061060][ T338] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 22.061062][ T338] Call Trace: [ 22.061064][ T338] [ 22.061065][ T338] dump_stack_lvl+0x6f/0xa0 [ 22.061070][ T338] ? vprintk_emit+0x31b/0x3e0 [ 22.061073][ T338] __might_resched.cold+0x1fe/0x2c1 [ 22.061077][ T338] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 22.061081][ T338] ? __kmalloc_noprof+0xdb/0x760 [ 22.061086][ T338] __kmalloc_noprof+0x443/0x760 [ 22.061089][ T338] ? alloc_buf.isra.0+0x4b/0x260 [ 22.061095][ T338] ? do_raw_spin_unlock+0x59/0x250 [ 22.061098][ T338] alloc_buf.isra.0+0x4b/0x260 [ 22.061102][ T338] put_chars+0x1e1/0x2f0 [ 22.061105][ T338] ? __send_to_port+0x420/0x420 [ 22.061109][ T338] ? validate_chain+0x38b/0xc20 [ 22.061114][ T338] hvc_console_print+0x292/0x780 [ 22.061121][ T338] ? hvc_write+0x3a0/0x3a0 [ 22.061124][ T338] ? rcu_is_watching+0x16/0xd0 [ 22.061127][ T338] ? lock_acquire+0x13c/0x160 [ 22.061131][ T338] console_emit_next_record+0x252/0x4f0 [ 22.061135][ T338] ? devkmsg_read+0x4e0/0x4e0 [ 22.061139][ T338] ? rcu_is_watching+0x16/0xd0 [ 22.061142][ T338] ? lock_acquire+0x13c/0x160 [ 22.061145][ T338] console_flush_one_record+0x46f/0x710 [ 22.061150][ T338] ? console_emit_next_record+0x4f0/0x4f0 [ 22.061151][ T338] ? __lock_acquire+0x518/0xc20 [ 22.061157][ T338] console_unlock+0xee/0x1f0 [ 22.061159][ T338] ? console_flush_one_record+0x710/0x710 [ 22.061161][ T338] ? rcu_is_watching+0x16/0xd0 [ 22.061163][ T338] ? lock_acquire+0xa0/0x160 [ 22.061167][ T338] ? __down_trylock_console_sem+0x5e/0xa0 [ 22.061169][ T338] ? vprintk_emit+0x320/0x3e0 [ 22.061172][ T338] vprintk_emit+0x37c/0x3e0 [ 22.061176][ T338] ? wake_up_klogd_work_func+0x90/0x90 [ 22.061178][ T338] ? find_held_lock+0x2b/0x80 [ 22.061181][ T338] ? __lock_release.isra.0+0x69/0x1a0 [ 22.061182][ T338] ? fast_dput+0x316/0x540 [ 22.061187][ T338] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 22.061190][ T338] _printk+0xc7/0x100 [ 22.061194][ T338] ? snapshot_read.cold+0x21/0x21 [ 22.061197][ T338] ? __up_write+0x2e5/0x5f0 [ 22.061201][ T338] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 22.061204][ T338] ? configfs_register_subsystem+0x340/0x570 [ 22.061209][ T338] init_netconsole+0x4a8/0x1000 [netconsole] [ 22.061212][ T338] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 22.061219][ T338] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 22.061221][ T338] do_one_initcall+0x124/0x4f0 [ 22.061225][ T338] ? trace_event_raw_event_initcall_level+0x280/0x280 [ 22.061229][ T338] ? do_init_module+0xae/0x8a0 [ 22.061232][ T338] ? kasan_unpoison+0x44/0x70 [ 22.061237][ T338] do_init_module+0x2ad/0x8a0 [ 22.061241][ T338] ? lockdep_hardirqs_on+0x91/0x130 [ 22.061245][ T338] ? free_module+0x470/0x470 [ 22.061248][ T338] ? kfree+0x123/0x590 [ 22.061252][ T338] load_module+0x1424/0x1bb0 [ 22.061266][ T338] ? layout_and_allocate.isra.0+0x680/0x680 [ 22.061270][ T338] ? __ia32_sys_fsconfig+0x180/0x180 [ 22.061272][ T338] ? add_chain_cache+0x12d/0x590 [ 22.061278][ T338] init_module_from_file+0x11f/0x1a0 [ 22.061281][ T338] ? __ia32_sys_init_module+0xc0/0xc0 [ 22.061289][ T338] ? __rwlock_init+0x150/0x150 [ 22.061292][ T338] ? do_raw_spin_unlock+0x59/0x250 [ 22.061295][ T338] idempotent_init_module+0x37b/0x7c0 [ 22.061299][ T338] ? init_module_from_file+0x1a0/0x1a0 [ 22.061305][ T338] ? rcu_is_watching+0x16/0xd0 [ 22.061307][ T338] ? cap_capable+0x1d7/0x3d0 [ 22.061313][ T338] __x64_sys_finit_module+0xdf/0x190 [ 22.061315][ T338] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 22.061319][ T338] do_syscall_64+0xff/0x530 [ 22.061321][ T338] ? exc_page_fault+0xee/0x100 [ 22.061324][ T338] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 22.061330][ T338] RIP: 0033:0x7f1e70b8137d [ 22.061335][ T338] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 [ 22.061337][ T338] RSP: 002b:00007ffcc376e9c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 22.061340][ T338] RAX: ffffffffffffffda RBX: 00005644b0b13700 RCX: 00007f1e70b8137d [ 22.061342][ T338] RDX: 0000000000000000 RSI: 0000564494833ffd RDI: 0000000000000005 [ 22.061343][ T338] RBP: 00007ffcc376ea60 R08: 0000000000000000 R09: 0000000000000000 [ 22.061344][ T338] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564494833ffd [ 22.061345][ T338] R13: 00005644b0b13810 R14: 0000000000040000 R15: 0000000000000000 [ 22.061352][ T338] [ 23.144872][ T337] printk: console [netcon_ext0] enabled [ 23.144944][ T337] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 23.144947][ T337] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 337, name: python3 [ 23.144950][ T337] preempt_count: 1, expected: 0 [ 23.144951][ T337] RCU nest depth: 0, expected: 0 [ 23.144953][ T337] locks held by python3/337: 10, last CPU#2: [ 23.144956][ T337] #0: ff1100000bc08eb0 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x22c/0x310 [ 23.144973][ T337] #1: ff1100000a97c430 (sb_writers#9){.+.+}-{0:0}, at: ksys_write+0x116/0x250 [ 23.144983][ T337] #2: ff11000008a9a580 (&buffer->mutex){+.+.}-{4:4}, at: configfs_write_iter+0x71/0x4b0 [ 23.144992][ T337] #3: ff1100000cb7cb30 (&p->frag_sem){.+.+}-{4:4}, at: configfs_write_iter+0x1db/0x4b0 [ 23.144999][ T337] #4: ffffffffc03dc880 (dynamic_netconsole_mutex){+.+.}-{4:4}, at: enabled_store+0xa0/0x750 [netconsole] [ 23.145009][ T337] #5: ffffffffb699a340 (console_mutex){+.+.}-{4:4}, at: register_console+0xe6/0xb60 [ 23.145019][ T337] #6: ffffffffb6999dc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 23.145026][ T337] #7: ffffffffb6999e38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 23.145033][ T337] #8: ffffffffb6889760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 23.145040][ T337] #9: ffffffffb6889660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 23.145048][ T337] irq event stamp: 335652 [ 23.145050][ T337] hardirqs last enabled at (335651): [] __down_trylock_console_sem+0x86/0xa0 [ 23.145054][ T337] hardirqs last disabled at (335652): [] console_emit_next_record+0x3f8/0x4f0 [ 23.145058][ T337] softirqs last enabled at (334400): [] handle_softirqs+0x67c/0x900 [ 23.145062][ T337] softirqs last disabled at (334391): [] __irq_exit_rcu+0x145/0x1c0 [ 23.145066][ T337] Preemption disabled at: [ 23.145067][ T337] [] vprintk_emit+0x31b/0x3e0 [ 23.145077][ T337] CPU: 2 UID: 0 PID: 337 Comm: python3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 23.145082][ T337] Tainted: [W]=WARN [ 23.145084][ T337] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 23.145086][ T337] Call Trace: [ 23.145089][ T337] [ 23.145092][ T337] dump_stack_lvl+0x6f/0xa0 [ 23.145100][ T337] ? vprintk_emit+0x31b/0x3e0 [ 23.145103][ T337] __might_resched.cold+0x1fe/0x2c1 [ 23.145110][ T337] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 23.145116][ T337] ? __kmalloc_noprof+0xdb/0x760 [ 23.145124][ T337] __kmalloc_noprof+0x443/0x760 [ 23.145128][ T337] ? alloc_buf.isra.0+0x4b/0x260 [ 23.145139][ T337] ? do_raw_spin_unlock+0x59/0x250 [ 23.145143][ T337] alloc_buf.isra.0+0x4b/0x260 [ 23.145149][ T337] put_chars+0x1e1/0x2f0 [ 23.145155][ T337] ? __send_to_port+0x420/0x420 [ 23.145158][ T337] ? printk_get_next_message+0x2fe/0x7d0 [ 23.145166][ T337] ? validate_chain+0x34a/0xc20 [ 23.145174][ T337] hvc_console_print+0x292/0x780 [ 23.145180][ T337] ? __lock_acquire+0x518/0xc20 [ 23.145182][ T337] ? __lock_acquire+0x518/0xc20 [ 23.145191][ T337] ? hvc_write+0x3a0/0x3a0 [ 23.145198][ T337] ? rcu_is_watching+0x16/0xd0 [ 23.145203][ T337] ? lock_acquire+0x13c/0x160 [ 23.145211][ T337] console_emit_next_record+0x252/0x4f0 [ 23.145219][ T337] ? devkmsg_read+0x4e0/0x4e0 [ 23.145227][ T337] ? rcu_is_watching+0x16/0xd0 [ 23.145231][ T337] ? lock_acquire+0x13c/0x160 [ 23.145239][ T337] console_flush_one_record+0x46f/0x710 [ 23.145247][ T337] ? console_emit_next_record+0x4f0/0x4f0 [ 23.145250][ T337] ? __lock_acquire+0x518/0xc20 [ 23.145266][ T337] console_unlock+0xee/0x1f0 [ 23.145271][ T337] ? console_flush_one_record+0x710/0x710 [ 23.145274][ T337] ? rcu_is_watching+0x16/0xd0 [ 23.145278][ T337] ? lock_acquire+0xa0/0x160 [ 23.145285][ T337] ? __down_trylock_console_sem+0x5e/0xa0 [ 23.145288][ T337] ? vprintk_emit+0x320/0x3e0 [ 23.145294][ T337] vprintk_emit+0x37c/0x3e0 [ 23.145301][ T337] ? wake_up_klogd_work_func+0x90/0x90 [ 23.145312][ T337] _printk+0xc7/0x100 [ 23.145318][ T337] ? snapshot_read.cold+0x21/0x21 [ 23.145321][ T337] ? preempt_schedule_common+0x3e/0xc0 [ 23.145330][ T337] ? preempt_schedule_thunk+0x16/0x30 [ 23.145345][ T337] register_console+0x8a0/0xb60 [ 23.145352][ T337] ? get_init_console_seq.constprop.0.isra.0+0x290/0x290 [ 23.145356][ T337] ? rcu_is_watching+0x16/0xd0 [ 23.145366][ T337] enabled_store+0x623/0x750 [netconsole] [ 23.145371][ T337] ? __kasan_kmalloc+0x7b/0x90 [ 23.145377][ T337] ? netconsole_write_ext+0x20/0x20 [netconsole] [ 23.145381][ T337] ? down_write_killable_nested+0x270/0x270 [ 23.145384][ T337] ? __kmalloc_cache_noprof+0x281/0x620 [ 23.145388][ T337] ? configfs_write_iter+0x336/0x4b0 [ 23.145396][ T337] ? netconsole_write_ext+0x20/0x20 [netconsole] [ 23.145400][ T337] configfs_write_iter+0x2c0/0x4b0 [ 23.145405][ T337] ? configfs_bin_write_iter+0x530/0x530 [ 23.145410][ T337] new_sync_write+0x33e/0x760 [ 23.145416][ T337] ? __lock_acquire+0x518/0xc20 [ 23.145421][ T337] ? new_sync_read+0x750/0x750 [ 23.145428][ T337] ? lock_acquire.part.0+0xd4/0x280 [ 23.145431][ T337] ? ksys_write+0x116/0x250 [ 23.145444][ T337] vfs_write+0x6a2/0xbd0 [ 23.145452][ T337] ksys_write+0x116/0x250 [ 23.145457][ T337] ? __ia32_sys_read+0xc0/0xc0 [ 23.145463][ T337] ? rcu_is_watching+0x16/0xd0 [ 23.145470][ T337] do_syscall_64+0xff/0x530 [ 23.145474][ T337] ? irq_exit_rcu+0x1a/0x30 [ 23.145479][ T337] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 23.145484][ T337] RIP: 0033:0x7f8899c7c312 [ 23.145489][ T337] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00 [ 23.145492][ T337] RSP: 002b:00007ffc14064d68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 23.145496][ T337] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f8899c7c312 [ 23.145499][ T337] RDX: 0000000000000001 RSI: 00005650093522b0 RDI: 0000000000000010 [ 23.145501][ T337] RBP: 00007ffc14064d90 R08: 0000000000000000 R09: 0000000000000000 [ 23.145503][ T337] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8899ae9390 [ 23.145504][ T337] R13: 00005650093522b0 R14: 0000000000000010 R15: 00007f8899a750d0 [ 23.145520][ T337] [ 23.211832][ T337] netconsole: netconsole: local port 1514 [ 23.212474][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 23.213179][ T337] netconsole: netconsole: interface name 'enp1s0' [ 23.213731][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 23.214479][ T337] netconsole: netconsole: remote port 6666 [ 23.214951][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 23.215650][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 23.244937][ T337] netconsole: network logging started [ 23.262417][ T337] netcons test #0-0 [ 23.262417][ T337] netcons test #0-1 [ 23.262417][ T337] netcons test #0-2 [ 23.262417][ T337] netcons test #0-3 [ 23.262417][ T337] netcons test #0-4 [ 23.262417][ T337] netcons test #0-5 [ 23.262417][ T337] netcons test #0-6 [ 23.262417][ T337] netcons test #0-7 [ 23.262417][ T337] netcons test #0-8 [ 23.262417][ T337] netcons test #0-9 [ 23.262417][ T337] netcons test #0-10 [ 23.262417][ T337] netcons test #0-11 [ 23.262417][ T337] netcons test #0-12 [ 23.262417][ T337] netcons test #0-13 [ 23.262417][ T337] netcons test #0-14 [ 23.262417][ T337] netcons test #0-15 [ 23.262417][ T337] netcons test #0-16 [ 23.262417][ T337] netcons test #0-17 [ 23.262417][ T337] netcons test #0-18 [ 23.262417][ T337] netcons test #0-19 [ 23.262417][ T337] netcons test #0-20 [ 23.262417][ T337] netcons test #0-21 [ 23.262417][ T337] netcons test #0-22 [ 23.262417][ T337] netcons test #0-23 [ 23.262417][ T337] netcons test #0-24 [ 23.262417][ T337] netcons test #0-25 [ 23.262417][ T337] netcons test #0-26 [ 23.262417][ T337] netcons test #0-27 [ 23.262417][ T337] netcons test #0-28 [ 23.262417][ T337] netcons test #0-29 [ 23.262417][ T337] netcons test #0-30 [ 23.262417][ T337] netcons test #0-31 [ 23.262417][ T337] netcons test #0-32 [ 23.262417][ T337] netcons test #0-33 [ 23.262417][ T337] netcons test #0-34 [ 23.262417][ T337] netcons test #0-35 [ 23.262417][ T337] netcons test #0-36 [ 23.262417][ T337] netcons test #0-37 [ 23.262417][ T337] netcons test #0-38 [ 23.262417][ T337] netcons test #0-39 [ 23.282179][ T337] netconsole: netconsole: local port 1514 [ 23.282609][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 23.283179][ T337] netconsole: netconsole: interface name 'enp1s0' [ 23.283660][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 23.284196][ T337] netconsole: netconsole: remote port 6666 [ 23.285054][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 23.289864][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 23.312108][ T337] netconsole: network logging started [ 23.550057][ T394] NOTICE: Automounting of tracing to debugfs is deprecated and will be removed in 2030 [ 23.717217][ T337] netcons test #1-0 [ 23.717217][ T337] netcons test #1-1 [ 23.717217][ T337] netcons test #1-2 [ 23.717217][ T337] netcons test #1-3 [ 23.717217][ T337] netcons test #1-4 [ 23.717217][ T337] netcons test #1-5 [ 23.717217][ T337] netcons test #1-6 [ 23.717217][ T337] netcons test #1-7 [ 23.717217][ T337] netcons test #1-8 [ 23.717217][ T337] netcons test #1-9 [ 23.717217][ T337] netcons test #1-10 [ 23.717217][ T337] netcons test #1-11 [ 23.717217][ T337] netcons test #1-12 [ 23.717217][ T337] netcons test #1-13 [ 23.717217][ T337] netcons test #1-14 [ 23.717217][ T337] netcons test #1-15 [ 23.717217][ T337] netcons test #1-16 [ 23.717217][ T337] netcons test #1-17 [ 23.717217][ T337] netcons test #1-18 [ 23.717217][ T337] netcons test #1-19 [ 23.717217][ T337] netcons test #1-20 [ 23.717217][ T337] netcons test #1-21 [ 23.717217][ T337] netcons test #1-22 [ 23.717217][ T337] netcons test #1-23 [ 23.717217][ T337] netcons test #1-24 [ 23.717217][ T337] netcons test #1-25 [ 23.717217][ T337] netcons test #1-26 [ 23.717217][ T337] netcons test #1-27 [ 23.717217][ T337] netcons test #1-28 [ 23.717217][ T337] netcons test #1-29 [ 23.717217][ T337] netcons test #1-30 [ 23.717217][ T337] netcons test #1-31 [ 23.717217][ T337] netcons test #1-32 [ 23.717217][ T337] netcons test #1-33 [ 23.717217][ T337] netcons test #1-34 [ 23.717217][ T337] netcons test #1-35 [ 23.717217][ T337] netcons test #1-36 [ 23.717217][ T337] netcons test #1-37 [ 23.717217][ T337] netcons test #1-38 [ 23.717217][ T337] netcons test #1-39 [ 23.728714][ T337] netconsole: netconsole: local port 1514 [ 23.729066][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 23.733906][ T337] netconsole: netconsole: interface name 'enp1s0' [ 23.734299][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 23.734830][ T337] netconsole: netconsole: remote port 6666 [ 23.735234][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 23.735719][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 23.778434][ T337] netconsole: network logging started [ 24.181558][ T337] netcons test #2-0 [ 24.181558][ T337] netcons test #2-1 [ 24.181558][ T337] netcons test #2-2 [ 24.181558][ T337] netcons test #2-3 [ 24.181558][ T337] netcons test #2-4 [ 24.181558][ T337] netcons test #2-5 [ 24.181558][ T337] netcons test #2-6 [ 24.181558][ T337] netcons test #2-7 [ 24.181558][ T337] netcons test #2-8 [ 24.181558][ T337] netcons test #2-9 [ 24.181558][ T337] netcons test #2-10 [ 24.181558][ T337] netcons test #2-11 [ 24.181558][ T337] netcons test #2-12 [ 24.181558][ T337] netcons test #2-13 [ 24.181558][ T337] netcons test #2-14 [ 24.181558][ T337] netcons test #2-15 [ 24.181558][ T337] netcons test #2-16 [ 24.181558][ T337] netcons test #2-17 [ 24.181558][ T337] netcons test #2-18 [ 24.181558][ T337] netcons test #2-19 [ 24.181558][ T337] netcons test #2-20 [ 24.181558][ T337] netcons test #2-21 [ 24.181558][ T337] netcons test #2-22 [ 24.181558][ T337] netcons test #2-23 [ 24.181558][ T337] netcons test #2-24 [ 24.181558][ T337] netcons test #2-25 [ 24.181558][ T337] netcons test #2-26 [ 24.181558][ T337] netcons test #2-27 [ 24.181558][ T337] netcons test #2-28 [ 24.181558][ T337] netcons test #2-29 [ 24.181558][ T337] netcons test #2-30 [ 24.181558][ T337] netcons test #2-31 [ 24.181558][ T337] netcons test #2-32 [ 24.181558][ T337] netcons test #2-33 [ 24.181558][ T337] netcons test #2-34 [ 24.181558][ T337] netcons test #2-35 [ 24.181558][ T337] netcons test #2-36 [ 24.181558][ T337] netcons test #2-37 [ 24.181558][ T337] netcons test #2-38 [ 24.181558][ T337] netcons test #2-39 [ 24.181588][ T337] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 24.181591][ T337] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 337, name: python3 [ 24.181593][ T337] preempt_count: 1, expected: 0 [ 24.181594][ T337] RCU nest depth: 0, expected: 0 [ 24.181595][ T337] locks held by python3/337: 4, last CPU#2: [ 24.181597][ T337] #0: ffffffffb6999dc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 24.181610][ T337] #1: ffffffffb6999e38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 24.181616][ T337] #2: ffffffffb6889760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 24.181620][ T337] #3: ffffffffb6889660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 24.181625][ T337] irq event stamp: 355862 [ 24.181627][ T337] hardirqs last enabled at (355861): [] __down_trylock_console_sem+0x86/0xa0 [ 24.181630][ T337] hardirqs last disabled at (355862): [] console_emit_next_record+0x3f8/0x4f0 [ 24.181632][ T337] softirqs last enabled at (354716): [] handle_softirqs+0x67c/0x900 [ 24.181635][ T337] softirqs last disabled at (353769): [] __irq_exit_rcu+0x145/0x1c0 [ 24.181638][ T337] Preemption disabled at: [ 24.181639][ T337] [] vprintk_emit+0x31b/0x3e0 [ 24.181644][ T337] CPU: 2 UID: 0 PID: 337 Comm: python3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 24.181648][ T337] Tainted: [W]=WARN [ 24.181649][ T337] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 24.181651][ T337] Call Trace: [ 24.181653][ T337] [ 24.181654][ T337] dump_stack_lvl+0x6f/0xa0 [ 24.181661][ T337] ? vprintk_emit+0x31b/0x3e0 [ 24.181663][ T337] __might_resched.cold+0x1fe/0x2c1 [ 24.181668][ T337] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 24.181672][ T337] ? __kmalloc_noprof+0xdb/0x760 [ 24.181678][ T337] __kmalloc_noprof+0x443/0x760 [ 24.181680][ T337] ? alloc_buf.isra.0+0x4b/0x260 [ 24.181687][ T337] ? do_raw_spin_unlock+0x59/0x250 [ 24.181690][ T337] alloc_buf.isra.0+0x4b/0x260 [ 24.181694][ T337] put_chars+0x1e1/0x2f0 [ 24.181697][ T337] ? __send_to_port+0x420/0x420 [ 24.181699][ T337] ? printk_get_next_message+0x2fe/0x7d0 [ 24.181703][ T337] ? rcu_read_lock_any_held+0x3c/0x90 [ 24.181706][ T337] ? validate_chain+0x38b/0xc20 [ 24.181710][ T337] hvc_console_print+0x292/0x780 [ 24.181714][ T337] ? __lock_acquire+0x518/0xc20 [ 24.181716][ T337] ? __lock_acquire+0x518/0xc20 [ 24.181721][ T337] ? hvc_write+0x3a0/0x3a0 [ 24.181725][ T337] ? rcu_is_watching+0x16/0xd0 [ 24.181728][ T337] ? lock_acquire+0x13c/0x160 [ 24.181733][ T337] console_emit_next_record+0x252/0x4f0 [ 24.181737][ T337] ? devkmsg_read+0x4e0/0x4e0 [ 24.181742][ T337] ? rcu_is_watching+0x16/0xd0 [ 24.181745][ T337] ? lock_acquire+0x13c/0x160 [ 24.181749][ T337] console_flush_one_record+0x46f/0x710 [ 24.181754][ T337] ? console_emit_next_record+0x4f0/0x4f0 [ 24.181756][ T337] ? __lock_acquire+0x518/0xc20 [ 24.181761][ T337] console_unlock+0xee/0x1f0 [ 24.181764][ T337] ? console_flush_one_record+0x710/0x710 [ 24.181766][ T337] ? rcu_is_watching+0x16/0xd0 [ 24.181768][ T337] ? lock_acquire+0xa0/0x160 [ 24.181772][ T337] ? __down_trylock_console_sem+0x5e/0xa0 [ 24.181774][ T337] ? vprintk_emit+0x320/0x3e0 [ 24.181777][ T337] vprintk_emit+0x37c/0x3e0 [ 24.181781][ T337] ? wake_up_klogd_work_func+0x90/0x90 [ 24.181785][ T337] ? _copy_from_iter+0x1bb/0x1810 [ 24.181791][ T337] devkmsg_emit.constprop.0+0xbc/0xf1 [ 24.181795][ T337] ? vprintk_emit.cold+0x107/0x107 [ 24.181799][ T337] ? __kmalloc_noprof+0x302/0x760 [ 24.181801][ T337] ? idr_get_free+0x830/0x830 [ 24.181805][ T337] ? devkmsg_write+0xd1/0x2c0 [ 24.181808][ T337] ? _copy_from_iter+0x1bb/0x1810 [ 24.181811][ T337] devkmsg_write.cold+0x5a/0x8b [ 24.181814][ T337] ? vprintk_default+0x20/0x20 [ 24.181819][ T337] ? vprintk_default+0x20/0x20 [ 24.181822][ T337] new_sync_write+0x33e/0x760 [ 24.181828][ T337] ? new_sync_read+0x750/0x750 [ 24.181833][ T337] ? __lock_release.isra.0+0x69/0x1a0 [ 24.181838][ T337] ? __fget_files+0x1e3/0x460 [ 24.181841][ T337] vfs_write+0x6a2/0xbd0 [ 24.181846][ T337] ksys_write+0x116/0x250 [ 24.181849][ T337] ? __ia32_sys_read+0xc0/0xc0 [ 24.181852][ T337] ? rcu_is_watching+0x16/0xd0 [ 24.181856][ T337] do_syscall_64+0xff/0x530 [ 24.181858][ T337] ? irq_exit_rcu+0x1a/0x30 [ 24.181861][ T337] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 24.181863][ T337] RIP: 0033:0x7f8899c7c312 [ 24.181868][ T337] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00 [ 24.181870][ T337] RSP: 002b:00007ffc14064d68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 24.181873][ T337] RAX: ffffffffffffffda RBX: 00000000000002ee RCX: 00007f8899c7c312 [ 24.181875][ T337] RDX: 00000000000002ee RSI: 00005650093522b0 RDI: 000000000000000b [ 24.181876][ T337] RBP: 00007ffc14064d90 R08: 0000000000000000 R09: 0000000000000000 [ 24.181877][ T337] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8899ae9390 [ 24.181878][ T337] R13: 00005650093522b0 R14: 000000000000000b R15: 00007f8899a750d0 [ 24.181885][ T337] [ 24.218014][ T337] netconsole: netconsole: local port 1514 [ 24.218261][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 24.218612][ T337] netconsole: netconsole: interface name 'enp1s0' [ 24.218882][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 24.219228][ T337] netconsole: netconsole: remote port 6666 [ 24.219530][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 24.219879][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 24.250517][ T337] netconsole: network logging started [ 24.660603][ T337] netcons test #3-0 [ 24.660603][ T337] netcons test #3-1 [ 24.660603][ T337] netcons test #3-2 [ 24.660603][ T337] netcons test #3-3 [ 24.660603][ T337] netcons test #3-4 [ 24.660603][ T337] netcons test #3-5 [ 24.660603][ T337] netcons test #3-6 [ 24.660603][ T337] netcons test #3-7 [ 24.660603][ T337] netcons test #3-8 [ 24.660603][ T337] netcons test #3-9 [ 24.660603][ T337] netcons test #3-10 [ 24.660603][ T337] netcons test #3-11 [ 24.660603][ T337] netcons test #3-12 [ 24.660603][ T337] netcons test #3-13 [ 24.660603][ T337] netcons test #3-14 [ 24.660603][ T337] netcons test #3-15 [ 24.660603][ T337] netcons test #3-16 [ 24.660603][ T337] netcons test #3-17 [ 24.660603][ T337] netcons test #3-18 [ 24.660603][ T337] netcons test #3-19 [ 24.660603][ T337] netcons test #3-20 [ 24.660603][ T337] netcons test #3-21 [ 24.660603][ T337] netcons test #3-22 [ 24.660603][ T337] netcons test #3-23 [ 24.660603][ T337] netcons test #3-24 [ 24.660603][ T337] netcons test #3-25 [ 24.660603][ T337] netcons test #3-26 [ 24.660603][ T337] netcons test #3-27 [ 24.660603][ T337] netcons test #3-28 [ 24.660603][ T337] netcons test #3-29 [ 24.660603][ T337] netcons test #3-30 [ 24.660603][ T337] netcons test #3-31 [ 24.660603][ T337] netcons test #3-32 [ 24.660603][ T337] netcons test #3-33 [ 24.660603][ T337] netcons test #3-34 [ 24.660603][ T337] netcons test #3-35 [ 24.660603][ T337] netcons test #3-36 [ 24.660603][ T337] netcons test #3-37 [ 24.660603][ T337] netcons test #3-38 [ 24.660603][ T337] netcons test #3-39 [ 24.672757][ T337] netconsole: netconsole: local port 1514 [ 24.673005][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 24.673347][ T337] netconsole: netconsole: interface name 'enp1s0' [ 24.673623][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 24.673948][ T337] netconsole: netconsole: remote port 6666 [ 24.674215][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 24.674546][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 24.697343][ T337] netconsole: network logging started [ 25.104312][ T337] netcons test #4-0 [ 25.104312][ T337] netcons test #4-1 [ 25.104312][ T337] netcons test #4-2 [ 25.104312][ T337] netcons test #4-3 [ 25.104312][ T337] netcons test #4-4 [ 25.104312][ T337] netcons test #4-5 [ 25.104312][ T337] netcons test #4-6 [ 25.104312][ T337] netcons test #4-7 [ 25.104312][ T337] netcons test #4-8 [ 25.104312][ T337] netcons test #4-9 [ 25.104312][ T337] netcons test #4-10 [ 25.104312][ T337] netcons test #4-11 [ 25.104312][ T337] netcons test #4-12 [ 25.104312][ T337] netcons test #4-13 [ 25.104312][ T337] netcons test #4-14 [ 25.104312][ T337] netcons test #4-15 [ 25.104312][ T337] netcons test #4-16 [ 25.104312][ T337] netcons test #4-17 [ 25.104312][ T337] netcons test #4-18 [ 25.104312][ T337] netcons test #4-19 [ 25.104312][ T337] netcons test #4-20 [ 25.104312][ T337] netcons test #4-21 [ 25.104312][ T337] netcons test #4-22 [ 25.104312][ T337] netcons test #4-23 [ 25.104312][ T337] netcons test #4-24 [ 25.104312][ T337] netcons test #4-25 [ 25.104312][ T337] netcons test #4-26 [ 25.104312][ T337] netcons test #4-27 [ 25.104312][ T337] netcons test #4-28 [ 25.104312][ T337] netcons test #4-29 [ 25.104312][ T337] netcons test #4-30 [ 25.104312][ T337] netcons test #4-31 [ 25.104312][ T337] netcons test #4-32 [ 25.104312][ T337] netcons test #4-33 [ 25.104312][ T337] netcons test #4-34 [ 25.104312][ T337] netcons test #4-35 [ 25.104312][ T337] netcons test #4-36 [ 25.104312][ T337] netcons test #4-37 [ 25.104312][ T337] netcons test #4-38 [ 25.104312][ T337] netcons test #4-39 [ 25.119228][ T337] netconsole: netconsole: local port 1514 [ 25.119498][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 25.119919][ T337] netconsole: netconsole: interface name 'enp1s0' [ 25.120189][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 25.120547][ T337] netconsole: netconsole: remote port 6666 [ 25.120897][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 25.121305][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 25.141378][ T337] netconsole: network logging started [ 25.543496][ T337] netcons test #5-0 [ 25.543496][ T337] netcons test #5-1 [ 25.543496][ T337] netcons test #5-2 [ 25.543496][ T337] netcons test #5-3 [ 25.543496][ T337] netcons test #5-4 [ 25.543496][ T337] netcons test #5-5 [ 25.543496][ T337] netcons test #5-6 [ 25.543496][ T337] netcons test #5-7 [ 25.543496][ T337] netcons test #5-8 [ 25.543496][ T337] netcons test #5-9 [ 25.543496][ T337] netcons test #5-10 [ 25.543496][ T337] netcons test #5-11 [ 25.543496][ T337] netcons test #5-12 [ 25.543496][ T337] netcons test #5-13 [ 25.543496][ T337] netcons test #5-14 [ 25.543496][ T337] netcons test #5-15 [ 25.543496][ T337] netcons test #5-16 [ 25.543496][ T337] netcons test #5-17 [ 25.543496][ T337] netcons test #5-18 [ 25.543496][ T337] netcons test #5-19 [ 25.543496][ T337] netcons test #5-20 [ 25.543496][ T337] netcons test #5-21 [ 25.543496][ T337] netcons test #5-22 [ 25.543496][ T337] netcons test #5-23 [ 25.543496][ T337] netcons test #5-24 [ 25.543496][ T337] netcons test #5-25 [ 25.543496][ T337] netcons test #5-26 [ 25.543496][ T337] netcons test #5-27 [ 25.543496][ T337] netcons test #5-28 [ 25.543496][ T337] netcons test #5-29 [ 25.543496][ T337] netcons test #5-30 [ 25.543496][ T337] netcons test #5-31 [ 25.543496][ T337] netcons test #5-32 [ 25.543496][ T337] netcons test #5-33 [ 25.543496][ T337] netcons test #5-34 [ 25.543496][ T337] netcons test #5-35 [ 25.543496][ T337] netcons test #5-36 [ 25.543496][ T337] netcons test #5-37 [ 25.543496][ T337] netcons test #5-38 [ 25.543496][ T337] netcons test #5-39 [ 25.543530][ T337] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 25.543532][ T337] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 337, name: python3 [ 25.543534][ T337] preempt_count: 1, expected: 0 [ 25.543535][ T337] RCU nest depth: 0, expected: 0 [ 25.543536][ T337] locks held by python3/337: 4, last CPU#2: [ 25.543538][ T337] #0: ffffffffb6999dc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 25.543553][ T337] #1: ffffffffb6999e38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 25.543558][ T337] #2: ffffffffb6889760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 25.543562][ T337] #3: ffffffffb6889660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 25.543567][ T337] irq event stamp: 385048 [ 25.543568][ T337] hardirqs last enabled at (385047): [] __down_trylock_console_sem+0x86/0xa0 [ 25.543571][ T337] hardirqs last disabled at (385048): [] console_emit_next_record+0x3f8/0x4f0 [ 25.543573][ T337] softirqs last enabled at (384994): [] handle_softirqs+0x67c/0x900 [ 25.543576][ T337] softirqs last disabled at (384987): [] __irq_exit_rcu+0x145/0x1c0 [ 25.543579][ T337] Preemption disabled at: [ 25.543579][ T337] [] vprintk_emit+0x31b/0x3e0 [ 25.543586][ T337] CPU: 2 UID: 0 PID: 337 Comm: python3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 25.543589][ T337] Tainted: [W]=WARN [ 25.543590][ T337] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 25.543592][ T337] Call Trace: [ 25.543594][ T337] [ 25.543596][ T337] dump_stack_lvl+0x6f/0xa0 [ 25.543601][ T337] ? vprintk_emit+0x31b/0x3e0 [ 25.543604][ T337] __might_resched.cold+0x1fe/0x2c1 [ 25.543609][ T337] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 25.543613][ T337] ? __kmalloc_noprof+0xdb/0x760 [ 25.543618][ T337] __kmalloc_noprof+0x443/0x760 [ 25.543621][ T337] ? alloc_buf.isra.0+0x4b/0x260 [ 25.543627][ T337] ? do_raw_spin_unlock+0x59/0x250 [ 25.543630][ T337] alloc_buf.isra.0+0x4b/0x260 [ 25.543634][ T337] put_chars+0x1e1/0x2f0 [ 25.543638][ T337] ? __send_to_port+0x420/0x420 [ 25.543640][ T337] ? printk_get_next_message+0x2fe/0x7d0 [ 25.543643][ T337] ? rcu_read_lock_any_held+0x3c/0x90 [ 25.543647][ T337] ? validate_chain+0x38b/0xc20 [ 25.543651][ T337] hvc_console_print+0x292/0x780 [ 25.543655][ T337] ? __lock_acquire+0x518/0xc20 [ 25.543656][ T337] ? __lock_acquire+0x518/0xc20 [ 25.543661][ T337] ? hvc_write+0x3a0/0x3a0 [ 25.543664][ T337] ? rcu_is_watching+0x16/0xd0 [ 25.543667][ T337] ? lock_acquire+0x13c/0x160 [ 25.543671][ T337] console_emit_next_record+0x252/0x4f0 [ 25.543675][ T337] ? devkmsg_read+0x4e0/0x4e0 [ 25.543680][ T337] ? rcu_is_watching+0x16/0xd0 [ 25.543682][ T337] ? lock_acquire+0x13c/0x160 [ 25.543686][ T337] console_flush_one_record+0x46f/0x710 [ 25.543691][ T337] ? console_emit_next_record+0x4f0/0x4f0 [ 25.543692][ T337] ? __lock_acquire+0x518/0xc20 [ 25.543698][ T337] console_unlock+0xee/0x1f0 [ 25.543701][ T337] ? console_flush_one_record+0x710/0x710 [ 25.543703][ T337] ? rcu_is_watching+0x16/0xd0 [ 25.543705][ T337] ? lock_acquire+0xa0/0x160 [ 25.543709][ T337] ? __down_trylock_console_sem+0x5e/0xa0 [ 25.543710][ T337] ? vprintk_emit+0x320/0x3e0 [ 25.543714][ T337] vprintk_emit+0x37c/0x3e0 [ 25.543717][ T337] ? wake_up_klogd_work_func+0x90/0x90 [ 25.543721][ T337] ? _copy_from_iter+0x1bb/0x1810 [ 25.543726][ T337] devkmsg_emit.constprop.0+0xbc/0xf1 [ 25.543730][ T337] ? vprintk_emit.cold+0x107/0x107 [ 25.543734][ T337] ? __kmalloc_noprof+0x302/0x760 [ 25.543737][ T337] ? idr_get_free+0x830/0x830 [ 25.543740][ T337] ? devkmsg_write+0xd1/0x2c0 [ 25.543745][ T337] ? _copy_from_iter+0x1bb/0x1810 [ 25.543748][ T337] devkmsg_write.cold+0x5a/0x8b [ 25.543751][ T337] ? vprintk_default+0x20/0x20 [ 25.543755][ T337] ? vprintk_default+0x20/0x20 [ 25.543758][ T337] new_sync_write+0x33e/0x760 [ 25.543764][ T337] ? new_sync_read+0x750/0x750 [ 25.543768][ T337] ? __lock_release.isra.0+0x69/0x1a0 [ 25.543773][ T337] ? __fget_files+0x1e3/0x460 [ 25.543776][ T337] vfs_write+0x6a2/0xbd0 [ 25.543781][ T337] ksys_write+0x116/0x250 [ 25.543784][ T337] ? __ia32_sys_read+0xc0/0xc0 [ 25.543786][ T337] ? rcu_is_watching+0x16/0xd0 [ 25.543790][ T337] do_syscall_64+0xff/0x530 [ 25.543793][ T337] ? irq_exit_rcu+0x1a/0x30 [ 25.543795][ T337] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 25.543798][ T337] RIP: 0033:0x7f8899c7c312 [ 25.543803][ T337] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00 [ 25.543804][ T337] RSP: 002b:00007ffc14064d68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 25.543807][ T337] RAX: ffffffffffffffda RBX: 00000000000002ee RCX: 00007f8899c7c312 [ 25.543809][ T337] RDX: 00000000000002ee RSI: 00005650093522b0 RDI: 000000000000000b [ 25.543810][ T337] RBP: 00007ffc14064d90 R08: 0000000000000000 R09: 0000000000000000 [ 25.543811][ T337] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8899ae9390 [ 25.543812][ T337] R13: 00005650093522b0 R14: 000000000000000b R15: 00007f8899a750d0 [ 25.543818][ T337] [ 25.589463][ T337] netconsole: netconsole: local port 1514 [ 25.589723][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 25.590058][ T337] netconsole: netconsole: interface name 'enp1s0' [ 25.590348][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 25.590687][ T337] netconsole: netconsole: remote port 6666 [ 25.590975][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 25.591318][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 25.651636][ T337] netconsole: network logging started [ 26.063887][ T337] netcons test #6-0 [ 26.063887][ T337] netcons test #6-1 [ 26.063887][ T337] netcons test #6-2 [ 26.063887][ T337] netcons test #6-3 [ 26.063887][ T337] netcons test #6-4 [ 26.063887][ T337] netcons test #6-5 [ 26.063887][ T337] netcons test #6-6 [ 26.063887][ T337] netcons test #6-7 [ 26.063887][ T337] netcons test #6-8 [ 26.063887][ T337] netcons test #6-9 [ 26.063887][ T337] netcons test #6-10 [ 26.063887][ T337] netcons test #6-11 [ 26.063887][ T337] netcons test #6-12 [ 26.063887][ T337] netcons test #6-13 [ 26.063887][ T337] netcons test #6-14 [ 26.063887][ T337] netcons test #6-15 [ 26.063887][ T337] netcons test #6-16 [ 26.063887][ T337] netcons test #6-17 [ 26.063887][ T337] netcons test #6-18 [ 26.063887][ T337] netcons test #6-19 [ 26.063887][ T337] netcons test #6-20 [ 26.063887][ T337] netcons test #6-21 [ 26.063887][ T337] netcons test #6-22 [ 26.063887][ T337] netcons test #6-23 [ 26.063887][ T337] netcons test #6-24 [ 26.063887][ T337] netcons test #6-25 [ 26.063887][ T337] netcons test #6-26 [ 26.063887][ T337] netcons test #6-27 [ 26.063887][ T337] netcons test #6-28 [ 26.063887][ T337] netcons test #6-29 [ 26.063887][ T337] netcons test #6-30 [ 26.063887][ T337] netcons test #6-31 [ 26.063887][ T337] netcons test #6-32 [ 26.063887][ T337] netcons test #6-33 [ 26.063887][ T337] netcons test #6-34 [ 26.063887][ T337] netcons test #6-35 [ 26.063887][ T337] netcons test #6-36 [ 26.063887][ T337] netcons test #6-37 [ 26.063887][ T337] netcons test #6-38 [ 26.063887][ T337] netcons test #6-39 [ 26.077306][ T337] netconsole: netconsole: local port 1514 [ 26.077577][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 26.077924][ T337] netconsole: netconsole: interface name 'enp1s0' [ 26.078217][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 26.078555][ T337] netconsole: netconsole: remote port 6666 [ 26.078831][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 26.079177][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 26.122713][ T337] netconsole: network logging started [ 26.532162][ T337] netcons test #7-0 [ 26.532162][ T337] netcons test #7-1 [ 26.532162][ T337] netcons test #7-2 [ 26.532162][ T337] netcons test #7-3 [ 26.532162][ T337] netcons test #7-4 [ 26.532162][ T337] netcons test #7-5 [ 26.532162][ T337] netcons test #7-6 [ 26.532162][ T337] netcons test #7-7 [ 26.532162][ T337] netcons test #7-8 [ 26.532162][ T337] netcons test #7-9 [ 26.532162][ T337] netcons test #7-10 [ 26.532162][ T337] netcons test #7-11 [ 26.532162][ T337] netcons test #7-12 [ 26.532162][ T337] netcons test #7-13 [ 26.532162][ T337] netcons test #7-14 [ 26.532162][ T337] netcons test #7-15 [ 26.532162][ T337] netcons test #7-16 [ 26.532162][ T337] netcons test #7-17 [ 26.532162][ T337] netcons test #7-18 [ 26.532162][ T337] netcons test #7-19 [ 26.532162][ T337] netcons test #7-20 [ 26.532162][ T337] netcons test #7-21 [ 26.532162][ T337] netcons test #7-22 [ 26.532162][ T337] netcons test #7-23 [ 26.532162][ T337] netcons test #7-24 [ 26.532162][ T337] netcons test #7-25 [ 26.532162][ T337] netcons test #7-26 [ 26.532162][ T337] netcons test #7-27 [ 26.532162][ T337] netcons test #7-28 [ 26.532162][ T337] netcons test #7-29 [ 26.532162][ T337] netcons test #7-30 [ 26.532162][ T337] netcons test #7-31 [ 26.532162][ T337] netcons test #7-32 [ 26.532162][ T337] netcons test #7-33 [ 26.532162][ T337] netcons test #7-34 [ 26.532162][ T337] netcons test #7-35 [ 26.532162][ T337] netcons test #7-36 [ 26.532162][ T337] netcons test #7-37 [ 26.532162][ T337] netcons test #7-38 [ 26.532162][ T337] netcons test #7-39 [ 26.550418][ T337] netconsole: netconsole: local port 1514 [ 26.550444][ T337] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 26.550448][ T337] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 337, name: python3 [ 26.550450][ T337] preempt_count: 1, expected: 0 [ 26.550451][ T337] RCU nest depth: 0, expected: 0 [ 26.550452][ T337] locks held by python3/337: 9, last CPU#2: [ 26.550454][ T337] #0: ff11000009ae8eb0 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x22c/0x310 [ 26.550467][ T337] #1: ff1100000a97c430 (sb_writers#9){.+.+}-{0:0}, at: ksys_write+0x116/0x250 [ 26.550474][ T337] #2: ff1100000c243a80 (&buffer->mutex){+.+.}-{4:4}, at: configfs_write_iter+0x71/0x4b0 [ 26.550480][ T337] #3: ff1100000ada7430 (&p->frag_sem){++++}-{4:4}, at: configfs_write_iter+0x1db/0x4b0 [ 26.550484][ T337] #4: ffffffffc03dc880 (dynamic_netconsole_mutex){+.+.}-{4:4}, at: enabled_store+0xa0/0x750 [netconsole] [ 26.550491][ T337] #5: ffffffffb6999dc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 26.550498][ T337] #6: ffffffffb6999e38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 26.550502][ T337] #7: ffffffffb6889760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 26.550507][ T337] #8: ffffffffb6889660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 26.550512][ T337] irq event stamp: 411514 [ 26.550513][ T337] hardirqs last enabled at (411513): [] __down_trylock_console_sem+0x86/0xa0 [ 26.550516][ T337] hardirqs last disabled at (411514): [] console_emit_next_record+0x3f8/0x4f0 [ 26.550519][ T337] softirqs last enabled at (411006): [] handle_softirqs+0x67c/0x900 [ 26.550522][ T337] softirqs last disabled at (410997): [] __irq_exit_rcu+0x145/0x1c0 [ 26.550525][ T337] Preemption disabled at: [ 26.550525][ T337] [] vprintk_emit+0x31b/0x3e0 [ 26.550532][ T337] CPU: 2 UID: 0 PID: 337 Comm: python3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 26.550535][ T337] Tainted: [W]=WARN [ 26.550536][ T337] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 26.550538][ T337] Call Trace: [ 26.550540][ T337] [ 26.550542][ T337] dump_stack_lvl+0x6f/0xa0 [ 26.550548][ T337] ? vprintk_emit+0x31b/0x3e0 [ 26.550551][ T337] __might_resched.cold+0x1fe/0x2c1 [ 26.550555][ T337] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 26.550560][ T337] ? __kmalloc_noprof+0xdb/0x760 [ 26.550565][ T337] __kmalloc_noprof+0x443/0x760 [ 26.550568][ T337] ? alloc_buf.isra.0+0x4b/0x260 [ 26.550575][ T337] ? do_raw_spin_unlock+0x59/0x250 [ 26.550578][ T337] alloc_buf.isra.0+0x4b/0x260 [ 26.550582][ T337] put_chars+0x1e1/0x2f0 [ 26.550586][ T337] ? __send_to_port+0x420/0x420 [ 26.550588][ T337] ? printk_get_next_message+0x2fe/0x7d0 [ 26.550592][ T337] ? rcu_read_lock_any_held+0x3c/0x90 [ 26.550595][ T337] ? validate_chain+0x38b/0xc20 [ 26.550599][ T337] hvc_console_print+0x292/0x780 [ 26.550604][ T337] ? __lock_acquire+0x518/0xc20 [ 26.550606][ T337] ? __lock_acquire+0x518/0xc20 [ 26.550611][ T337] ? hvc_write+0x3a0/0x3a0 [ 26.550615][ T337] ? rcu_is_watching+0x16/0xd0 [ 26.550618][ T337] ? lock_acquire+0x13c/0x160 [ 26.550622][ T337] console_emit_next_record+0x252/0x4f0 [ 26.550627][ T337] ? devkmsg_read+0x4e0/0x4e0 [ 26.550632][ T337] ? rcu_is_watching+0x16/0xd0 [ 26.550634][ T337] ? lock_acquire+0x13c/0x160 [ 26.550638][ T337] console_flush_one_record+0x46f/0x710 [ 26.550643][ T337] ? console_emit_next_record+0x4f0/0x4f0 [ 26.550647][ T337] ? __lock_acquire+0x518/0xc20 [ 26.550653][ T337] console_unlock+0xee/0x1f0 [ 26.550656][ T337] ? console_flush_one_record+0x710/0x710 [ 26.550658][ T337] ? rcu_is_watching+0x16/0xd0 [ 26.550660][ T337] ? lock_acquire+0xa0/0x160 [ 26.550664][ T337] ? __down_trylock_console_sem+0x5e/0xa0 [ 26.550666][ T337] ? vprintk_emit+0x320/0x3e0 [ 26.550670][ T337] vprintk_emit+0x37c/0x3e0 [ 26.550674][ T337] ? wake_up_klogd_work_func+0x90/0x90 [ 26.550676][ T337] ? rcu_read_lock_any_held+0x3c/0x90 [ 26.550678][ T337] ? validate_chain+0x38b/0xc20 [ 26.550680][ T337] ? enabled_store+0x518/0x750 [netconsole] [ 26.550683][ T337] ? find_held_lock+0x2b/0x80 [ 26.550687][ T337] _printk+0xc7/0x100 [ 26.550691][ T337] ? snapshot_read.cold+0x21/0x21 [ 26.550695][ T337] ? __mutex_unlock_slowpath+0x9e/0x740 [ 26.550698][ T337] ? __mutex_unlock_slowpath+0x5e5/0x740 [ 26.550703][ T337] ? __mutex_unlock_slowpath+0x14d/0x740 [ 26.550706][ T337] netconsole_print_banner+0x82/0x2e0 [netconsole] [ 26.550711][ T337] enabled_store.cold+0x104/0x1ae [netconsole] [ 26.550714][ T337] ? __kasan_kmalloc+0x7b/0x90 [ 26.550718][ T337] ? netconsole_write_ext+0x20/0x20 [netconsole] [ 26.550720][ T337] ? down_write_killable_nested+0x270/0x270 [ 26.550723][ T337] ? __kmalloc_cache_noprof+0x281/0x620 [ 26.550725][ T337] ? configfs_write_iter+0x336/0x4b0 [ 26.550730][ T337] ? netconsole_write_ext+0x20/0x20 [netconsole] [ 26.550732][ T337] configfs_write_iter+0x2c0/0x4b0 [ 26.550734][ T337] ? configfs_bin_write_iter+0x530/0x530 [ 26.550737][ T337] new_sync_write+0x33e/0x760 [ 26.550742][ T337] ? __lock_acquire+0x518/0xc20 [ 26.550745][ T337] ? new_sync_read+0x750/0x750 [ 26.550749][ T337] ? lock_acquire.part.0+0xd4/0x280 [ 26.550751][ T337] ? ksys_write+0x116/0x250 [ 26.550758][ T337] vfs_write+0x6a2/0xbd0 [ 26.550762][ T337] ksys_write+0x116/0x250 [ 26.550765][ T337] ? __ia32_sys_read+0xc0/0xc0 [ 26.550768][ T337] ? rcu_is_watching+0x16/0xd0 [ 26.550772][ T337] do_syscall_64+0xff/0x530 [ 26.550775][ T337] ? irq_exit_rcu+0x1a/0x30 [ 26.550778][ T337] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 26.550781][ T337] RIP: 0033:0x7f8899c7c312 [ 26.550785][ T337] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00 [ 26.550787][ T337] RSP: 002b:00007ffc14064d68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 26.550790][ T337] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f8899c7c312 [ 26.550791][ T337] RDX: 0000000000000001 RSI: 00005650093522b0 RDI: 000000000000000b [ 26.550792][ T337] RBP: 00007ffc14064d90 R08: 0000000000000000 R09: 0000000000000000 [ 26.550793][ T337] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8899ae9390 [ 26.550794][ T337] R13: 00005650093522b0 R14: 000000000000000b R15: 00007f8899a750d0 [ 26.550802][ T337] [ 26.588543][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 26.588888][ T337] netconsole: netconsole: interface name 'enp1s0' [ 26.589167][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 26.589510][ T337] netconsole: netconsole: remote port 6666 [ 26.589788][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 26.590111][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 26.619671][ T337] netconsole: network logging started [ 27.021770][ T337] netcons test #8-0 [ 27.021770][ T337] netcons test #8-1 [ 27.021770][ T337] netcons test #8-2 [ 27.021770][ T337] netcons test #8-3 [ 27.021770][ T337] netcons test #8-4 [ 27.021770][ T337] netcons test #8-5 [ 27.021770][ T337] netcons test #8-6 [ 27.021770][ T337] netcons test #8-7 [ 27.021770][ T337] netcons test #8-8 [ 27.021770][ T337] netcons test #8-9 [ 27.021770][ T337] netcons test #8-10 [ 27.021770][ T337] netcons test #8-11 [ 27.021770][ T337] netcons test #8-12 [ 27.021770][ T337] netcons test #8-13 [ 27.021770][ T337] netcons test #8-14 [ 27.021770][ T337] netcons test #8-15 [ 27.021770][ T337] netcons test #8-16 [ 27.021770][ T337] netcons test #8-17 [ 27.021770][ T337] netcons test #8-18 [ 27.021770][ T337] netcons test #8-19 [ 27.021770][ T337] netcons test #8-20 [ 27.021770][ T337] netcons test #8-21 [ 27.021770][ T337] netcons test #8-22 [ 27.021770][ T337] netcons test #8-23 [ 27.021770][ T337] netcons test #8-24 [ 27.021770][ T337] netcons test #8-25 [ 27.021770][ T337] netcons test #8-26 [ 27.021770][ T337] netcons test #8-27 [ 27.021770][ T337] netcons test #8-28 [ 27.021770][ T337] netcons test #8-29 [ 27.021770][ T337] netcons test #8-30 [ 27.021770][ T337] netcons test #8-31 [ 27.021770][ T337] netcons test #8-32 [ 27.021770][ T337] netcons test #8-33 [ 27.021770][ T337] netcons test #8-34 [ 27.021770][ T337] netcons test #8-35 [ 27.021770][ T337] netcons test #8-36 [ 27.021770][ T337] netcons test #8-37 [ 27.021770][ T337] netcons test #8-38 [ 27.021770][ T337] netcons test #8-39 [ 27.033852][ T337] netconsole: netconsole: local port 1514 [ 27.034122][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 27.034605][ T337] netconsole: netconsole: interface name 'enp1s0' [ 27.034919][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 27.037922][ T337] netconsole: netconsole: remote port 6666 [ 27.038204][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 27.038702][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 27.092026][ T337] netconsole: network logging started [ 27.502798][ T337] netcons test #9-0 [ 27.502798][ T337] netcons test #9-1 [ 27.502798][ T337] netcons test #9-2 [ 27.502798][ T337] netcons test #9-3 [ 27.502798][ T337] netcons test #9-4 [ 27.502798][ T337] netcons test #9-5 [ 27.502798][ T337] netcons test #9-6 [ 27.502798][ T337] netcons test #9-7 [ 27.502798][ T337] netcons test #9-8 [ 27.502798][ T337] netcons test #9-9 [ 27.502798][ T337] netcons test #9-10 [ 27.502798][ T337] netcons test #9-11 [ 27.502798][ T337] netcons test #9-12 [ 27.502798][ T337] netcons test #9-13 [ 27.502798][ T337] netcons test #9-14 [ 27.502798][ T337] netcons test #9-15 [ 27.502798][ T337] netcons test #9-16 [ 27.502798][ T337] netcons test #9-17 [ 27.502798][ T337] netcons test #9-18 [ 27.502798][ T337] netcons test #9-19 [ 27.502798][ T337] netcons test #9-20 [ 27.502798][ T337] netcons test #9-21 [ 27.502798][ T337] netcons test #9-22 [ 27.502798][ T337] netcons test #9-23 [ 27.502798][ T337] netcons test #9-24 [ 27.502798][ T337] netcons test #9-25 [ 27.502798][ T337] netcons test #9-26 [ 27.502798][ T337] netcons test #9-27 [ 27.502798][ T337] netcons test #9-28 [ 27.502798][ T337] netcons test #9-29 [ 27.502798][ T337] netcons test #9-30 [ 27.502798][ T337] netcons test #9-31 [ 27.502798][ T337] netcons test #9-32 [ 27.502798][ T337] netcons test #9-33 [ 27.502798][ T337] netcons test #9-34 [ 27.502798][ T337] netcons test #9-35 [ 27.502798][ T337] netcons test #9-36 [ 27.502798][ T337] netcons test #9-37 [ 27.502798][ T337] netcons test #9-38 [ 27.502798][ T337] netcons test #9-39 [ 27.514800][ T337] netconsole: netconsole: local port 1514 [ 27.515065][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 27.515433][ T337] netconsole: netconsole: interface name 'enp1s0' [ 27.515713][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 27.516035][ T337] netconsole: netconsole: remote port 6666 [ 27.516332][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 27.516656][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 27.544582][ T337] netconsole: network logging started [ 27.964914][ T337] netcons test #10-0 [ 27.964914][ T337] netcons test #10-1 [ 27.964914][ T337] netcons test #10-2 [ 27.964914][ T337] netcons test #10-3 [ 27.964914][ T337] netcons test #10-4 [ 27.964914][ T337] netcons test #10-5 [ 27.964914][ T337] netcons test #10-6 [ 27.964914][ T337] netcons test #10-7 [ 27.964914][ T337] netcons test #10-8 [ 27.964914][ T337] netcons test #10-9 [ 27.964914][ T337] netcons test #10-10 [ 27.964914][ T337] netcons test #10-11 [ 27.964914][ T337] netcons test #10-12 [ 27.964914][ T337] netcons test #10-13 [ 27.964914][ T337] netcons test #10-14 [ 27.964914][ T337] netcons test #10-15 [ 27.964914][ T337] netcons test #10-16 [ 27.964914][ T337] netcons test #10-17 [ 27.964914][ T337] netcons test #10-18 [ 27.964914][ T337] netcons test #10-19 [ 27.964914][ T337] netcons test #10-20 [ 27.964914][ T337] netcons test #10-21 [ 27.964914][ T337] netcons test #10-22 [ 27.964914][ T337] netcons test #10-23 [ 27.964914][ T337] netcons test #10-24 [ 27.964914][ T337] netcons test #10-25 [ 27.964914][ T337] netcons test #10-26 [ 27.964914][ T337] netcons test #10-27 [ 27.964914][ T337] netcons test #10-28 [ 27.964914][ T337] netcons test #10-29 [ 27.964914][ T337] netcons test #10-30 [ 27.964914][ T337] netcons test #10-31 [ 27.964914][ T337] netcons test #10-32 [ 27.964914][ T337] netcons test #10-33 [ 27.964914][ T337] netcons test #10-34 [ 27.964914][ T337] netcons test #10-35 [ 27.964914][ T337] netcons test #10-36 [ 27.964914][ T337] netcons test #10-37 [ 27.964914][ T337] netcons test #10-38 [ 27.964914][ T337] netcons test #10-39 [ 27.964951][ T337] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 27.964953][ T337] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 337, name: python3 [ 27.964955][ T337] preempt_count: 1, expected: 0 [ 27.964956][ T337] RCU nest depth: 0, expected: 0 [ 27.964958][ T337] locks held by python3/337: 4, last CPU#4: [ 27.964960][ T337] #0: ffffffffb6999dc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 27.964974][ T337] #1: ffffffffb6999e38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 27.964979][ T337] #2: ffffffffb6889760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 27.964984][ T337] #3: ffffffffb6889660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 27.964989][ T337] irq event stamp: 441604 [ 27.964990][ T337] hardirqs last enabled at (441603): [] __down_trylock_console_sem+0x86/0xa0 [ 27.964993][ T337] hardirqs last disabled at (441604): [] console_emit_next_record+0x3f8/0x4f0 [ 27.964995][ T337] softirqs last enabled at (441314): [] handle_softirqs+0x67c/0x900 [ 27.964999][ T337] softirqs last disabled at (441305): [] __irq_exit_rcu+0x145/0x1c0 [ 27.965001][ T337] Preemption disabled at: [ 27.965002][ T337] [] vprintk_emit+0x31b/0x3e0 [ 27.965008][ T337] CPU: 4 UID: 0 PID: 337 Comm: python3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 27.965015][ T337] Tainted: [W]=WARN [ 27.965016][ T337] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 27.965018][ T337] Call Trace: [ 27.965019][ T337] [ 27.965021][ T337] dump_stack_lvl+0x6f/0xa0 [ 27.965027][ T337] ? vprintk_emit+0x31b/0x3e0 [ 27.965029][ T337] __might_resched.cold+0x1fe/0x2c1 [ 27.965034][ T337] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 27.965039][ T337] ? __kmalloc_noprof+0xdb/0x760 [ 27.965044][ T337] __kmalloc_noprof+0x443/0x760 [ 27.965047][ T337] ? alloc_buf.isra.0+0x4b/0x260 [ 27.965053][ T337] ? do_raw_spin_unlock+0x59/0x250 [ 27.965056][ T337] alloc_buf.isra.0+0x4b/0x260 [ 27.965060][ T337] put_chars+0x1e1/0x2f0 [ 27.965064][ T337] ? __send_to_port+0x420/0x420 [ 27.965066][ T337] ? printk_get_next_message+0x2fe/0x7d0 [ 27.965069][ T337] ? rcu_read_lock_any_held+0x3c/0x90 [ 27.965072][ T337] ? validate_chain+0x38b/0xc20 [ 27.965077][ T337] hvc_console_print+0x292/0x780 [ 27.965081][ T337] ? __lock_acquire+0x518/0xc20 [ 27.965083][ T337] ? __lock_acquire+0x518/0xc20 [ 27.965087][ T337] ? hvc_write+0x3a0/0x3a0 [ 27.965091][ T337] ? rcu_is_watching+0x16/0xd0 [ 27.965094][ T337] ? lock_acquire+0x13c/0x160 [ 27.965098][ T337] console_emit_next_record+0x252/0x4f0 [ 27.965102][ T337] ? devkmsg_read+0x4e0/0x4e0 [ 27.965107][ T337] ? rcu_is_watching+0x16/0xd0 [ 27.965109][ T337] ? lock_acquire+0x13c/0x160 [ 27.965113][ T337] console_flush_one_record+0x46f/0x710 [ 27.965117][ T337] ? console_emit_next_record+0x4f0/0x4f0 [ 27.965119][ T337] ? __lock_acquire+0x518/0xc20 [ 27.965125][ T337] console_unlock+0xee/0x1f0 [ 27.965127][ T337] ? console_flush_one_record+0x710/0x710 [ 27.965129][ T337] ? rcu_is_watching+0x16/0xd0 [ 27.965132][ T337] ? lock_acquire+0xa0/0x160 [ 27.965136][ T337] ? __down_trylock_console_sem+0x5e/0xa0 [ 27.965137][ T337] ? vprintk_emit+0x320/0x3e0 [ 27.965141][ T337] vprintk_emit+0x37c/0x3e0 [ 27.965145][ T337] ? wake_up_klogd_work_func+0x90/0x90 [ 27.965149][ T337] ? _copy_from_iter+0x1bb/0x1810 [ 27.965154][ T337] devkmsg_emit.constprop.0+0xbc/0xf1 [ 27.965158][ T337] ? vprintk_emit.cold+0x107/0x107 [ 27.965163][ T337] ? __kmalloc_noprof+0x302/0x760 [ 27.965165][ T337] ? idr_get_free+0x830/0x830 [ 27.965168][ T337] ? devkmsg_write+0xd1/0x2c0 [ 27.965172][ T337] ? _copy_from_iter+0x1bb/0x1810 [ 27.965174][ T337] devkmsg_write.cold+0x5a/0x8b [ 27.965177][ T337] ? vprintk_default+0x20/0x20 [ 27.965182][ T337] ? vprintk_default+0x20/0x20 [ 27.965185][ T337] new_sync_write+0x33e/0x760 [ 27.965191][ T337] ? new_sync_read+0x750/0x750 [ 27.965195][ T337] ? __lock_release.isra.0+0x69/0x1a0 [ 27.965200][ T337] ? __fget_files+0x1e3/0x460 [ 27.965204][ T337] vfs_write+0x6a2/0xbd0 [ 27.965208][ T337] ksys_write+0x116/0x250 [ 27.965211][ T337] ? __ia32_sys_read+0xc0/0xc0 [ 27.965214][ T337] ? rcu_is_watching+0x16/0xd0 [ 27.965217][ T337] do_syscall_64+0xff/0x530 [ 27.965220][ T337] ? common_interrupt+0x5a/0xf0 [ 27.965223][ T337] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 27.965226][ T337] RIP: 0033:0x7f8899c7c312 [ 27.965231][ T337] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00 [ 27.965233][ T337] RSP: 002b:00007ffc14064d68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 27.965236][ T337] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007f8899c7c312 [ 27.965237][ T337] RDX: 0000000000000316 RSI: 00005650093522b0 RDI: 000000000000000b [ 27.965238][ T337] RBP: 00007ffc14064d90 R08: 0000000000000000 R09: 0000000000000000 [ 27.965239][ T337] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8899ae9390 [ 27.965240][ T337] R13: 00005650093522b0 R14: 000000000000000b R15: 00007f8899a750d0 [ 27.965247][ T337] [ 28.050565][ T337] netconsole: netconsole: local port 1514 [ 28.050832][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 28.051178][ T337] netconsole: netconsole: interface name 'enp1s0' [ 28.051619][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 28.052066][ T337] netconsole: netconsole: remote port 6666 [ 28.052438][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 28.052782][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 28.084736][ T337] netconsole: network logging started [ 28.493110][ T337] netcons test #11-0 [ 28.493110][ T337] netcons test #11-1 [ 28.493110][ T337] netcons test #11-2 [ 28.493110][ T337] netcons test #11-3 [ 28.493110][ T337] netcons test #11-4 [ 28.493110][ T337] netcons test #11-5 [ 28.493110][ T337] netcons test #11-6 [ 28.493110][ T337] netcons test #11-7 [ 28.493110][ T337] netcons test #11-8 [ 28.493110][ T337] netcons test #11-9 [ 28.493110][ T337] netcons test #11-10 [ 28.493110][ T337] netcons test #11-11 [ 28.493110][ T337] netcons test #11-12 [ 28.493110][ T337] netcons test #11-13 [ 28.493110][ T337] netcons test #11-14 [ 28.493110][ T337] netcons test #11-15 [ 28.493110][ T337] netcons test #11-16 [ 28.493110][ T337] netcons test #11-17 [ 28.493110][ T337] netcons test #11-18 [ 28.493110][ T337] netcons test #11-19 [ 28.493110][ T337] netcons test #11-20 [ 28.493110][ T337] netcons test #11-21 [ 28.493110][ T337] netcons test #11-22 [ 28.493110][ T337] netcons test #11-23 [ 28.493110][ T337] netcons test #11-24 [ 28.493110][ T337] netcons test #11-25 [ 28.493110][ T337] netcons test #11-26 [ 28.493110][ T337] netcons test #11-27 [ 28.493110][ T337] netcons test #11-28 [ 28.493110][ T337] netcons test #11-29 [ 28.493110][ T337] netcons test #11-30 [ 28.493110][ T337] netcons test #11-31 [ 28.493110][ T337] netcons test #11-32 [ 28.493110][ T337] netcons test #11-33 [ 28.493110][ T337] netcons test #11-34 [ 28.493110][ T337] netcons test #11-35 [ 28.493110][ T337] netcons test #11-36 [ 28.493110][ T337] netcons test #11-37 [ 28.493110][ T337] netcons test #11-38 [ 28.493110][ T337] netcons test #11-39 [ 28.508544][ T337] netconsole: netconsole: local port 1514 [ 28.508821][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 28.509162][ T337] netconsole: netconsole: interface name 'enp1s0' [ 28.509459][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 28.509784][ T337] netconsole: netconsole: remote port 6666 [ 28.510063][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 28.510399][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 28.558599][ T337] netconsole: network logging started [ 28.970472][ T337] netcons test #12-0 [ 28.970472][ T337] netcons test #12-1 [ 28.970472][ T337] netcons test #12-2 [ 28.970472][ T337] netcons test #12-3 [ 28.970472][ T337] netcons test #12-4 [ 28.970472][ T337] netcons test #12-5 [ 28.970472][ T337] netcons test #12-6 [ 28.970472][ T337] netcons test #12-7 [ 28.970472][ T337] netcons test #12-8 [ 28.970472][ T337] netcons test #12-9 [ 28.970472][ T337] netcons test #12-10 [ 28.970472][ T337] netcons test #12-11 [ 28.970472][ T337] netcons test #12-12 [ 28.970472][ T337] netcons test #12-13 [ 28.970472][ T337] netcons test #12-14 [ 28.970472][ T337] netcons test #12-15 [ 28.970472][ T337] netcons test #12-16 [ 28.970472][ T337] netcons test #12-17 [ 28.970472][ T337] netcons test #12-18 [ 28.970472][ T337] netcons test #12-19 [ 28.970472][ T337] netcons test #12-20 [ 28.970472][ T337] netcons test #12-21 [ 28.970472][ T337] netcons test #12-22 [ 28.970472][ T337] netcons test #12-23 [ 28.970472][ T337] netcons test #12-24 [ 28.970472][ T337] netcons test #12-25 [ 28.970472][ T337] netcons test #12-26 [ 28.970472][ T337] netcons test #12-27 [ 28.970472][ T337] netcons test #12-28 [ 28.970472][ T337] netcons test #12-29 [ 28.970472][ T337] netcons test #12-30 [ 28.970472][ T337] netcons test #12-31 [ 28.970472][ T337] netcons test #12-32 [ 28.970472][ T337] netcons test #12-33 [ 28.970472][ T337] netcons test #12-34 [ 28.970472][ T337] netcons test #12-35 [ 28.970472][ T337] netcons test #12-36 [ 28.970472][ T337] netcons test #12-37 [ 28.970472][ T337] netcons test #12-38 [ 28.970472][ T337] netcons test #12-39 [ 28.970506][ T337] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 28.970509][ T337] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 337, name: python3 [ 28.970511][ T337] preempt_count: 1, expected: 0 [ 28.970512][ T337] RCU nest depth: 0, expected: 0 [ 28.970513][ T337] locks held by python3/337: 4, last CPU#5: [ 28.970515][ T337] #0: ffffffffb6999dc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 28.970530][ T337] #1: ffffffffb6999e38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 28.970535][ T337] #2: ffffffffb6889760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 28.970540][ T337] #3: ffffffffb6889660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 28.970544][ T337] irq event stamp: 475788 [ 28.970546][ T337] hardirqs last enabled at (475787): [] __down_trylock_console_sem+0x86/0xa0 [ 28.970549][ T337] hardirqs last disabled at (475788): [] console_emit_next_record+0x3f8/0x4f0 [ 28.970551][ T337] softirqs last enabled at (474182): [] handle_softirqs+0x67c/0x900 [ 28.970554][ T337] softirqs last disabled at (474177): [] __irq_exit_rcu+0x145/0x1c0 [ 28.970557][ T337] Preemption disabled at: [ 28.970557][ T337] [] vprintk_emit+0x31b/0x3e0 [ 28.970563][ T337] CPU: 5 UID: 0 PID: 337 Comm: python3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 28.970567][ T337] Tainted: [W]=WARN [ 28.970568][ T337] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 28.970570][ T337] Call Trace: [ 28.970572][ T337] [ 28.970573][ T337] dump_stack_lvl+0x6f/0xa0 [ 28.970579][ T337] ? vprintk_emit+0x31b/0x3e0 [ 28.970582][ T337] __might_resched.cold+0x1fe/0x2c1 [ 28.970586][ T337] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 28.970590][ T337] ? __kmalloc_noprof+0xdb/0x760 [ 28.970596][ T337] __kmalloc_noprof+0x443/0x760 [ 28.970598][ T337] ? alloc_buf.isra.0+0x4b/0x260 [ 28.970605][ T337] ? do_raw_spin_unlock+0x59/0x250 [ 28.970608][ T337] alloc_buf.isra.0+0x4b/0x260 [ 28.970612][ T337] put_chars+0x1e1/0x2f0 [ 28.970616][ T337] ? __send_to_port+0x420/0x420 [ 28.970618][ T337] ? printk_get_next_message+0x2fe/0x7d0 [ 28.970622][ T337] ? rcu_read_lock_any_held+0x3c/0x90 [ 28.970625][ T337] ? validate_chain+0x38b/0xc20 [ 28.970629][ T337] hvc_console_print+0x292/0x780 [ 28.970633][ T337] ? __lock_acquire+0x518/0xc20 [ 28.970635][ T337] ? __lock_acquire+0x518/0xc20 [ 28.970639][ T337] ? hvc_write+0x3a0/0x3a0 [ 28.970643][ T337] ? rcu_is_watching+0x16/0xd0 [ 28.970646][ T337] ? lock_acquire+0x13c/0x160 [ 28.970650][ T337] console_emit_next_record+0x252/0x4f0 [ 28.970654][ T337] ? devkmsg_read+0x4e0/0x4e0 [ 28.970659][ T337] ? rcu_is_watching+0x16/0xd0 [ 28.970662][ T337] ? lock_acquire+0x13c/0x160 [ 28.970666][ T337] console_flush_one_record+0x46f/0x710 [ 28.970670][ T337] ? console_emit_next_record+0x4f0/0x4f0 [ 28.970672][ T337] ? __lock_acquire+0x518/0xc20 [ 28.970677][ T337] console_unlock+0xee/0x1f0 [ 28.970680][ T337] ? console_flush_one_record+0x710/0x710 [ 28.970682][ T337] ? rcu_is_watching+0x16/0xd0 [ 28.970684][ T337] ? lock_acquire+0xa0/0x160 [ 28.970688][ T337] ? __down_trylock_console_sem+0x5e/0xa0 [ 28.970690][ T337] ? vprintk_emit+0x320/0x3e0 [ 28.970694][ T337] vprintk_emit+0x37c/0x3e0 [ 28.970697][ T337] ? wake_up_klogd_work_func+0x90/0x90 [ 28.970701][ T337] ? _copy_from_iter+0x1bb/0x1810 [ 28.970707][ T337] devkmsg_emit.constprop.0+0xbc/0xf1 [ 28.970711][ T337] ? vprintk_emit.cold+0x107/0x107 [ 28.970715][ T337] ? __kmalloc_noprof+0x302/0x760 [ 28.970717][ T337] ? idr_get_free+0x830/0x830 [ 28.970721][ T337] ? devkmsg_write+0xd1/0x2c0 [ 28.970724][ T337] ? _copy_from_iter+0x1bb/0x1810 [ 28.970726][ T337] devkmsg_write.cold+0x5a/0x8b [ 28.970729][ T337] ? vprintk_default+0x20/0x20 [ 28.970734][ T337] ? vprintk_default+0x20/0x20 [ 28.970737][ T337] new_sync_write+0x33e/0x760 [ 28.970743][ T337] ? new_sync_read+0x750/0x750 [ 28.970747][ T337] ? __lock_release.isra.0+0x69/0x1a0 [ 28.970752][ T337] ? __fget_files+0x1e3/0x460 [ 28.970756][ T337] vfs_write+0x6a2/0xbd0 [ 28.970760][ T337] ksys_write+0x116/0x250 [ 28.970763][ T337] ? __ia32_sys_read+0xc0/0xc0 [ 28.970766][ T337] ? rcu_is_watching+0x16/0xd0 [ 28.970770][ T337] do_syscall_64+0xff/0x530 [ 28.970772][ T337] ? irq_exit_rcu+0x1a/0x30 [ 28.970775][ T337] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 28.970778][ T337] RIP: 0033:0x7f8899c7c312 [ 28.970782][ T337] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00 [ 28.970784][ T337] RSP: 002b:00007ffc14064d68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 28.970787][ T337] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007f8899c7c312 [ 28.970789][ T337] RDX: 0000000000000316 RSI: 00005650093522b0 RDI: 000000000000000b [ 28.970790][ T337] RBP: 00007ffc14064d90 R08: 0000000000000000 R09: 0000000000000000 [ 28.970791][ T337] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8899ae9390 [ 28.970791][ T337] R13: 00005650093522b0 R14: 000000000000000b R15: 00007f8899a750d0 [ 28.970798][ T337] [ 29.008922][ T337] netconsole: netconsole: local port 1514 [ 29.009174][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 29.009519][ T337] netconsole: netconsole: interface name 'enp1s0' [ 29.009792][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 29.010120][ T337] netconsole: netconsole: remote port 6666 [ 29.010403][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 29.010731][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 29.076434][ T337] netconsole: network logging started [ 29.482319][ T337] netcons test #13-0 [ 29.482319][ T337] netcons test #13-1 [ 29.482319][ T337] netcons test #13-2 [ 29.482319][ T337] netcons test #13-3 [ 29.482319][ T337] netcons test #13-4 [ 29.482319][ T337] netcons test #13-5 [ 29.482319][ T337] netcons test #13-6 [ 29.482319][ T337] netcons test #13-7 [ 29.482319][ T337] netcons test #13-8 [ 29.482319][ T337] netcons test #13-9 [ 29.482319][ T337] netcons test #13-10 [ 29.482319][ T337] netcons test #13-11 [ 29.482319][ T337] netcons test #13-12 [ 29.482319][ T337] netcons test #13-13 [ 29.482319][ T337] netcons test #13-14 [ 29.482319][ T337] netcons test #13-15 [ 29.482319][ T337] netcons test #13-16 [ 29.482319][ T337] netcons test #13-17 [ 29.482319][ T337] netcons test #13-18 [ 29.482319][ T337] netcons test #13-19 [ 29.482319][ T337] netcons test #13-20 [ 29.482319][ T337] netcons test #13-21 [ 29.482319][ T337] netcons test #13-22 [ 29.482319][ T337] netcons test #13-23 [ 29.482319][ T337] netcons test #13-24 [ 29.482319][ T337] netcons test #13-25 [ 29.482319][ T337] netcons test #13-26 [ 29.482319][ T337] netcons test #13-27 [ 29.482319][ T337] netcons test #13-28 [ 29.482319][ T337] netcons test #13-29 [ 29.482319][ T337] netcons test #13-30 [ 29.482319][ T337] netcons test #13-31 [ 29.482319][ T337] netcons test #13-32 [ 29.482319][ T337] netcons test #13-33 [ 29.482319][ T337] netcons test #13-34 [ 29.482319][ T337] netcons test #13-35 [ 29.482319][ T337] netcons test #13-36 [ 29.482319][ T337] netcons test #13-37 [ 29.482319][ T337] netcons test #13-38 [ 29.482319][ T337] netcons test #13-39 [ 29.498037][ T337] netconsole: netconsole: local port 1514 [ 29.498392][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 29.498799][ T337] netconsole: netconsole: interface name 'enp1s0' [ 29.499067][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 29.499982][ T337] netconsole: netconsole: remote port 6666 [ 29.504049][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 29.504452][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 29.612129][ T337] netconsole: network logging started [ 30.022830][ T337] netcons test #14-0 [ 30.022830][ T337] netcons test #14-1 [ 30.022830][ T337] netcons test #14-2 [ 30.022830][ T337] netcons test #14-3 [ 30.022830][ T337] netcons test #14-4 [ 30.022830][ T337] netcons test #14-5 [ 30.022830][ T337] netcons test #14-6 [ 30.022830][ T337] netcons test #14-7 [ 30.022830][ T337] netcons test #14-8 [ 30.022830][ T337] netcons test #14-9 [ 30.022830][ T337] netcons test #14-10 [ 30.022830][ T337] netcons test #14-11 [ 30.022830][ T337] netcons test #14-12 [ 30.022830][ T337] netcons test #14-13 [ 30.022830][ T337] netcons test #14-14 [ 30.022830][ T337] netcons test #14-15 [ 30.022830][ T337] netcons test #14-16 [ 30.022830][ T337] netcons test #14-17 [ 30.022830][ T337] netcons test #14-18 [ 30.022830][ T337] netcons test #14-19 [ 30.022830][ T337] netcons test #14-20 [ 30.022830][ T337] netcons test #14-21 [ 30.022830][ T337] netcons test #14-22 [ 30.022830][ T337] netcons test #14-23 [ 30.022830][ T337] netcons test #14-24 [ 30.022830][ T337] netcons test #14-25 [ 30.022830][ T337] netcons test #14-26 [ 30.022830][ T337] netcons test #14-27 [ 30.022830][ T337] netcons test #14-28 [ 30.022830][ T337] netcons test #14-29 [ 30.022830][ T337] netcons test #14-30 [ 30.022830][ T337] netcons test #14-31 [ 30.022830][ T337] netcons test #14-32 [ 30.022830][ T337] netcons test #14-33 [ 30.022830][ T337] netcons test #14-34 [ 30.022830][ T337] netcons test #14-35 [ 30.022830][ T337] netcons test #14-36 [ 30.022830][ T337] netcons test #14-37 [ 30.022830][ T337] netcons test #14-38 [ 30.022830][ T337] netcons test #14-39 [ 30.022864][ T337] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 30.022867][ T337] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 337, name: python3 [ 30.022870][ T337] preempt_count: 1, expected: 0 [ 30.022871][ T337] RCU nest depth: 0, expected: 0 [ 30.022872][ T337] locks held by python3/337: 4, last CPU#5: [ 30.022874][ T337] #0: ffffffffb6999dc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 30.022888][ T337] #1: ffffffffb6999e38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 30.022894][ T337] #2: ffffffffb6889760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 30.022899][ T337] #3: ffffffffb6889660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 30.022904][ T337] irq event stamp: 495208 [ 30.022906][ T337] hardirqs last enabled at (495207): [] __down_trylock_console_sem+0x86/0xa0 [ 30.022909][ T337] hardirqs last disabled at (495208): [] console_emit_next_record+0x3f8/0x4f0 [ 30.022912][ T337] softirqs last enabled at (493712): [] handle_softirqs+0x67c/0x900 [ 30.022915][ T337] softirqs last disabled at (493703): [] __irq_exit_rcu+0x145/0x1c0 [ 30.022918][ T337] Preemption disabled at: [ 30.022919][ T337] [] vprintk_emit+0x31b/0x3e0 [ 30.022924][ T337] CPU: 5 UID: 0 PID: 337 Comm: python3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 30.022928][ T337] Tainted: [W]=WARN [ 30.022929][ T337] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 30.022932][ T337] Call Trace: [ 30.022933][ T337] [ 30.022935][ T337] dump_stack_lvl+0x6f/0xa0 [ 30.022941][ T337] ? vprintk_emit+0x31b/0x3e0 [ 30.022944][ T337] __might_resched.cold+0x1fe/0x2c1 [ 30.022949][ T337] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 30.022954][ T337] ? __kmalloc_noprof+0xdb/0x760 [ 30.022960][ T337] __kmalloc_noprof+0x443/0x760 [ 30.022963][ T337] ? alloc_buf.isra.0+0x4b/0x260 [ 30.022971][ T337] ? do_raw_spin_unlock+0x59/0x250 [ 30.022974][ T337] alloc_buf.isra.0+0x4b/0x260 [ 30.022979][ T337] put_chars+0x1e1/0x2f0 [ 30.022983][ T337] ? __send_to_port+0x420/0x420 [ 30.022985][ T337] ? printk_get_next_message+0x2fe/0x7d0 [ 30.022990][ T337] ? rcu_read_lock_any_held+0x3c/0x90 [ 30.022993][ T337] ? validate_chain+0x38b/0xc20 [ 30.022998][ T337] hvc_console_print+0x292/0x780 [ 30.023002][ T337] ? __lock_acquire+0x518/0xc20 [ 30.023004][ T337] ? __lock_acquire+0x518/0xc20 [ 30.023010][ T337] ? hvc_write+0x3a0/0x3a0 [ 30.023014][ T337] ? rcu_is_watching+0x16/0xd0 [ 30.023018][ T337] ? lock_acquire+0x13c/0x160 [ 30.023023][ T337] console_emit_next_record+0x252/0x4f0 [ 30.023028][ T337] ? devkmsg_read+0x4e0/0x4e0 [ 30.023033][ T337] ? rcu_is_watching+0x16/0xd0 [ 30.023036][ T337] ? lock_acquire+0x13c/0x160 [ 30.023042][ T337] console_flush_one_record+0x46f/0x710 [ 30.023047][ T337] ? console_emit_next_record+0x4f0/0x4f0 [ 30.023049][ T337] ? __lock_acquire+0x518/0xc20 [ 30.023055][ T337] console_unlock+0xee/0x1f0 [ 30.023058][ T337] ? console_flush_one_record+0x710/0x710 [ 30.023061][ T337] ? rcu_is_watching+0x16/0xd0 [ 30.023064][ T337] ? lock_acquire+0xa0/0x160 [ 30.023068][ T337] ? __down_trylock_console_sem+0x5e/0xa0 [ 30.023071][ T337] ? vprintk_emit+0x320/0x3e0 [ 30.023075][ T337] vprintk_emit+0x37c/0x3e0 [ 30.023079][ T337] ? wake_up_klogd_work_func+0x90/0x90 [ 30.023084][ T337] ? _copy_from_iter+0x1bb/0x1810 [ 30.023090][ T337] devkmsg_emit.constprop.0+0xbc/0xf1 [ 30.023095][ T337] ? vprintk_emit.cold+0x107/0x107 [ 30.023099][ T337] ? __kmalloc_noprof+0x302/0x760 [ 30.023102][ T337] ? idr_get_free+0x830/0x830 [ 30.023105][ T337] ? devkmsg_write+0xd1/0x2c0 [ 30.023109][ T337] ? _copy_from_iter+0x1bb/0x1810 [ 30.023112][ T337] devkmsg_write.cold+0x5a/0x8b [ 30.023115][ T337] ? vprintk_default+0x20/0x20 [ 30.023120][ T337] ? vprintk_default+0x20/0x20 [ 30.023123][ T337] new_sync_write+0x33e/0x760 [ 30.023130][ T337] ? new_sync_read+0x750/0x750 [ 30.023135][ T337] ? __lock_release.isra.0+0x69/0x1a0 [ 30.023141][ T337] ? __fget_files+0x1e3/0x460 [ 30.023145][ T337] vfs_write+0x6a2/0xbd0 [ 30.023150][ T337] ksys_write+0x116/0x250 [ 30.023154][ T337] ? __ia32_sys_read+0xc0/0xc0 [ 30.023157][ T337] ? rcu_is_watching+0x16/0xd0 [ 30.023162][ T337] do_syscall_64+0xff/0x530 [ 30.023165][ T337] ? irq_exit_rcu+0x1a/0x30 [ 30.023168][ T337] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 30.023171][ T337] RIP: 0033:0x7f8899c7c312 [ 30.023176][ T337] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00 [ 30.023178][ T337] RSP: 002b:00007ffc14064d68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 30.023182][ T337] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007f8899c7c312 [ 30.023183][ T337] RDX: 0000000000000316 RSI: 00005650093522b0 RDI: 000000000000000b [ 30.023185][ T337] RBP: 00007ffc14064d90 R08: 0000000000000000 R09: 0000000000000000 [ 30.023186][ T337] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8899ae9390 [ 30.023187][ T337] R13: 00005650093522b0 R14: 000000000000000b R15: 00007f8899a750d0 [ 30.023195][ T337] [ 30.058565][ T337] netconsole: netconsole: local port 1514 [ 30.058825][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 30.061773][ T337] netconsole: netconsole: interface name 'enp1s0' [ 30.062089][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 30.062430][ T337] netconsole: netconsole: remote port 6666 [ 30.062709][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 30.063060][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 30.093061][ T337] netconsole: network logging started [ 30.501057][ T337] netcons test #15-0 [ 30.501057][ T337] netcons test #15-1 [ 30.501057][ T337] netcons test #15-2 [ 30.501057][ T337] netcons test #15-3 [ 30.501057][ T337] netcons test #15-4 [ 30.501057][ T337] netcons test #15-5 [ 30.501057][ T337] netcons test #15-6 [ 30.501057][ T337] netcons test #15-7 [ 30.501057][ T337] netcons test #15-8 [ 30.501057][ T337] netcons test #15-9 [ 30.501057][ T337] netcons test #15-10 [ 30.501057][ T337] netcons test #15-11 [ 30.501057][ T337] netcons test #15-12 [ 30.501057][ T337] netcons test #15-13 [ 30.501057][ T337] netcons test #15-14 [ 30.501057][ T337] netcons test #15-15 [ 30.501057][ T337] netcons test #15-16 [ 30.501057][ T337] netcons test #15-17 [ 30.501057][ T337] netcons test #15-18 [ 30.501057][ T337] netcons test #15-19 [ 30.501057][ T337] netcons test #15-20 [ 30.501057][ T337] netcons test #15-21 [ 30.501057][ T337] netcons test #15-22 [ 30.501057][ T337] netcons test #15-23 [ 30.501057][ T337] netcons test #15-24 [ 30.501057][ T337] netcons test #15-25 [ 30.501057][ T337] netcons test #15-26 [ 30.501057][ T337] netcons test #15-27 [ 30.501057][ T337] netcons test #15-28 [ 30.501057][ T337] netcons test #15-29 [ 30.501057][ T337] netcons test #15-30 [ 30.501057][ T337] netcons test #15-31 [ 30.501057][ T337] netcons test #15-32 [ 30.501057][ T337] netcons test #15-33 [ 30.501057][ T337] netcons test #15-34 [ 30.501057][ T337] netcons test #15-35 [ 30.501057][ T337] netcons test #15-36 [ 30.501057][ T337] netcons test #15-37 [ 30.501057][ T337] netcons test #15-38 [ 30.501057][ T337] netcons test #15-39 [ 30.515914][ T337] netconsole: netconsole: local port 1514 [ 30.516177][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 30.516516][ T337] netconsole: netconsole: interface name 'enp1s0' [ 30.516793][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 30.517137][ T337] netconsole: netconsole: remote port 6666 [ 30.517415][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 30.517751][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 30.596907][ T337] netconsole: network logging started [ 31.011530][ T337] netcons test #16-0 [ 31.011530][ T337] netcons test #16-1 [ 31.011530][ T337] netcons test #16-2 [ 31.011530][ T337] netcons test #16-3 [ 31.011530][ T337] netcons test #16-4 [ 31.011530][ T337] netcons test #16-5 [ 31.011530][ T337] netcons test #16-6 [ 31.011530][ T337] netcons test #16-7 [ 31.011530][ T337] netcons test #16-8 [ 31.011530][ T337] netcons test #16-9 [ 31.011530][ T337] netcons test #16-10 [ 31.011530][ T337] netcons test #16-11 [ 31.011530][ T337] netcons test #16-12 [ 31.011530][ T337] netcons test #16-13 [ 31.011530][ T337] netcons test #16-14 [ 31.011530][ T337] netcons test #16-15 [ 31.011530][ T337] netcons test #16-16 [ 31.011530][ T337] netcons test #16-17 [ 31.011530][ T337] netcons test #16-18 [ 31.011530][ T337] netcons test #16-19 [ 31.011530][ T337] netcons test #16-20 [ 31.011530][ T337] netcons test #16-21 [ 31.011530][ T337] netcons test #16-22 [ 31.011530][ T337] netcons test #16-23 [ 31.011530][ T337] netcons test #16-24 [ 31.011530][ T337] netcons test #16-25 [ 31.011530][ T337] netcons test #16-26 [ 31.011530][ T337] netcons test #16-27 [ 31.011530][ T337] netcons test #16-28 [ 31.011530][ T337] netcons test #16-29 [ 31.011530][ T337] netcons test #16-30 [ 31.011530][ T337] netcons test #16-31 [ 31.011530][ T337] netcons test #16-32 [ 31.011530][ T337] netcons test #16-33 [ 31.011530][ T337] netcons test #16-34 [ 31.011530][ T337] netcons test #16-35 [ 31.011530][ T337] netcons test #16-36 [ 31.011530][ T337] netcons test #16-37 [ 31.011530][ T337] netcons test #16-38 [ 31.011530][ T337] netcons test #16-39 [ 31.022380][ T337] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 31.022392][ T337] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 337, name: python3 [ 31.022395][ T337] preempt_count: 1, expected: 0 [ 31.022397][ T337] RCU nest depth: 0, expected: 0 [ 31.022398][ T337] locks held by python3/337: 4, last CPU#5: [ 31.022401][ T337] #0: ffffffffb6999dc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 31.022419][ T337] #1: ffffffffb6999e38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 31.022427][ T337] #2: ffffffffb6889760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 31.022434][ T337] #3: ffffffffb6889660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 31.022442][ T337] irq event stamp: 516422 [ 31.022444][ T337] hardirqs last enabled at (516421): [] __down_trylock_console_sem+0x86/0xa0 [ 31.022448][ T337] hardirqs last disabled at (516422): [] console_emit_next_record+0x3f8/0x4f0 [ 31.022451][ T337] softirqs last enabled at (512360): [] handle_softirqs+0x67c/0x900 [ 31.022455][ T337] softirqs last disabled at (512353): [] __irq_exit_rcu+0x145/0x1c0 [ 31.022459][ T337] Preemption disabled at: [ 31.022460][ T337] [] vprintk_emit+0x31b/0x3e0 [ 31.022469][ T337] CPU: 5 UID: 0 PID: 337 Comm: python3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 31.022473][ T337] Tainted: [W]=WARN [ 31.022475][ T337] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 31.022478][ T337] Call Trace: [ 31.022480][ T337] [ 31.022482][ T337] dump_stack_lvl+0x6f/0xa0 [ 31.022490][ T337] ? vprintk_emit+0x31b/0x3e0 [ 31.022493][ T337] __might_resched.cold+0x1fe/0x2c1 [ 31.022500][ T337] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 31.022506][ T337] ? __kmalloc_noprof+0xdb/0x760 [ 31.022513][ T337] __kmalloc_noprof+0x443/0x760 [ 31.022517][ T337] ? alloc_buf.isra.0+0x4b/0x260 [ 31.022528][ T337] ? do_raw_spin_unlock+0x59/0x250 [ 31.022531][ T337] alloc_buf.isra.0+0x4b/0x260 [ 31.022537][ T337] put_chars+0x1e1/0x2f0 [ 31.022541][ T337] ? __send_to_port+0x420/0x420 [ 31.022544][ T337] ? printk_get_next_message+0x2fe/0x7d0 [ 31.022550][ T337] ? rcu_read_lock_any_held+0x3c/0x90 [ 31.022554][ T337] ? validate_chain+0x38b/0xc20 [ 31.022561][ T337] hvc_console_print+0x292/0x780 [ 31.022566][ T337] ? __lock_acquire+0x518/0xc20 [ 31.022569][ T337] ? __lock_acquire+0x518/0xc20 [ 31.022577][ T337] ? hvc_write+0x3a0/0x3a0 [ 31.022583][ T337] ? rcu_is_watching+0x16/0xd0 [ 31.022588][ T337] ? lock_acquire+0x13c/0x160 [ 31.022594][ T337] console_emit_next_record+0x252/0x4f0 [ 31.022600][ T337] ? devkmsg_read+0x4e0/0x4e0 [ 31.022608][ T337] ? rcu_is_watching+0x16/0xd0 [ 31.022611][ T337] ? lock_acquire+0x13c/0x160 [ 31.022618][ T337] console_flush_one_record+0x46f/0x710 [ 31.022624][ T337] ? console_emit_next_record+0x4f0/0x4f0 [ 31.022627][ T337] ? __lock_acquire+0x518/0xc20 [ 31.022636][ T337] console_unlock+0xee/0x1f0 [ 31.022641][ T337] ? console_flush_one_record+0x710/0x710 [ 31.022644][ T337] ? rcu_is_watching+0x16/0xd0 [ 31.022647][ T337] ? lock_acquire+0xa0/0x160 [ 31.022654][ T337] ? __down_trylock_console_sem+0x5e/0xa0 [ 31.022656][ T337] ? vprintk_emit+0x320/0x3e0 [ 31.022662][ T337] vprintk_emit+0x37c/0x3e0 [ 31.022668][ T337] ? wake_up_klogd_work_func+0x90/0x90 [ 31.022673][ T337] ? _copy_from_iter+0x1bb/0x1810 [ 31.022681][ T337] devkmsg_emit.constprop.0+0xbc/0xf1 [ 31.022687][ T337] ? vprintk_emit.cold+0x107/0x107 [ 31.022693][ T337] ? __kmalloc_noprof+0x302/0x760 [ 31.022697][ T337] ? idr_get_free+0x830/0x830 [ 31.022701][ T337] ? devkmsg_write+0xd1/0x2c0 [ 31.022707][ T337] ? _copy_from_iter+0x1bb/0x1810 [ 31.022711][ T337] devkmsg_write.cold+0x5a/0x8b [ 31.022716][ T337] ? vprintk_default+0x20/0x20 [ 31.022723][ T337] ? vprintk_default+0x20/0x20 [ 31.022727][ T337] new_sync_write+0x33e/0x760 [ 31.022736][ T337] ? new_sync_read+0x750/0x750 [ 31.022743][ T337] ? __lock_release.isra.0+0x69/0x1a0 [ 31.022752][ T337] ? __fget_files+0x1e3/0x460 [ 31.022757][ T337] vfs_write+0x6a2/0xbd0 [ 31.022764][ T337] ksys_write+0x116/0x250 [ 31.022769][ T337] ? __ia32_sys_read+0xc0/0xc0 [ 31.022774][ T337] ? rcu_is_watching+0x16/0xd0 [ 31.022780][ T337] do_syscall_64+0xff/0x530 [ 31.022784][ T337] ? irq_exit_rcu+0x1a/0x30 [ 31.022789][ T337] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 31.022793][ T337] RIP: 0033:0x7f8899c7c312 [ 31.022800][ T337] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00 [ 31.022803][ T337] RSP: 002b:00007ffc14064d68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 31.022809][ T337] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007f8899c7c312 [ 31.022812][ T337] RDX: 0000000000000316 RSI: 00005650093522b0 RDI: 000000000000000b [ 31.022814][ T337] RBP: 00007ffc14064d90 R08: 0000000000000000 R09: 0000000000000000 [ 31.022815][ T337] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8899ae9390 [ 31.022817][ T337] R13: 00005650093522b0 R14: 000000000000000b R15: 00007f8899a750d0 [ 31.022829][ T337] [ 31.078183][ T337] netconsole: netconsole: local port 1514 [ 31.078600][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 31.079135][ T337] netconsole: netconsole: interface name 'enp1s0' [ 31.088009][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 31.088633][ T337] netconsole: netconsole: remote port 6666 [ 31.089109][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 31.089665][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 31.126565][ T337] netconsole: network logging started [ 31.539584][ T337] netcons test #17-0 [ 31.539584][ T337] netcons test #17-1 [ 31.539584][ T337] netcons test #17-2 [ 31.539584][ T337] netcons test #17-3 [ 31.539584][ T337] netcons test #17-4 [ 31.539584][ T337] netcons test #17-5 [ 31.539584][ T337] netcons test #17-6 [ 31.539584][ T337] netcons test #17-7 [ 31.539584][ T337] netcons test #17-8 [ 31.539584][ T337] netcons test #17-9 [ 31.539584][ T337] netcons test #17-10 [ 31.539584][ T337] netcons test #17-11 [ 31.539584][ T337] netcons test #17-12 [ 31.539584][ T337] netcons test #17-13 [ 31.539584][ T337] netcons test #17-14 [ 31.539584][ T337] netcons test #17-15 [ 31.539584][ T337] netcons test #17-16 [ 31.539584][ T337] netcons test #17-17 [ 31.539584][ T337] netcons test #17-18 [ 31.539584][ T337] netcons test #17-19 [ 31.539584][ T337] netcons test #17-20 [ 31.539584][ T337] netcons test #17-21 [ 31.539584][ T337] netcons test #17-22 [ 31.539584][ T337] netcons test #17-23 [ 31.539584][ T337] netcons test #17-24 [ 31.539584][ T337] netcons test #17-25 [ 31.539584][ T337] netcons test #17-26 [ 31.539584][ T337] netcons test #17-27 [ 31.539584][ T337] netcons test #17-28 [ 31.539584][ T337] netcons test #17-29 [ 31.539584][ T337] netcons test #17-30 [ 31.539584][ T337] netcons test #17-31 [ 31.539584][ T337] netcons test #17-32 [ 31.539584][ T337] netcons test #17-33 [ 31.539584][ T337] netcons test #17-34 [ 31.539584][ T337] netcons test #17-35 [ 31.539584][ T337] netcons test #17-36 [ 31.539584][ T337] netcons test #17-37 [ 31.539584][ T337] netcons test #17-38 [ 31.539584][ T337] netcons test #17-39 [ 31.563982][ T337] netconsole: netconsole: local port 1514 [ 31.564407][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 31.565180][ T337] netconsole: netconsole: interface name 'enp1s0' [ 31.565666][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 31.566185][ T337] netconsole: netconsole: remote port 6666 [ 31.566765][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 31.567552][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 31.645980][ T337] netconsole: network logging started [ 32.057878][ T337] netcons test #18-0 [ 32.057878][ T337] netcons test #18-1 [ 32.057878][ T337] netcons test #18-2 [ 32.057878][ T337] netcons test #18-3 [ 32.057878][ T337] netcons test #18-4 [ 32.057878][ T337] netcons test #18-5 [ 32.057878][ T337] netcons test #18-6 [ 32.057878][ T337] netcons test #18-7 [ 32.057878][ T337] netcons test #18-8 [ 32.057878][ T337] netcons test #18-9 [ 32.057878][ T337] netcons test #18-10 [ 32.057878][ T337] netcons test #18-11 [ 32.057878][ T337] netcons test #18-12 [ 32.057878][ T337] netcons test #18-13 [ 32.057878][ T337] netcons test #18-14 [ 32.057878][ T337] netcons test #18-15 [ 32.057878][ T337] netcons test #18-16 [ 32.057878][ T337] netcons test #18-17 [ 32.057878][ T337] netcons test #18-18 [ 32.057878][ T337] netcons test #18-19 [ 32.057878][ T337] netcons test #18-20 [ 32.057878][ T337] netcons test #18-21 [ 32.057878][ T337] netcons test #18-22 [ 32.057878][ T337] netcons test #18-23 [ 32.057878][ T337] netcons test #18-24 [ 32.057878][ T337] netcons test #18-25 [ 32.057878][ T337] netcons test #18-26 [ 32.057878][ T337] netcons test #18-27 [ 32.057878][ T337] netcons test #18-28 [ 32.057878][ T337] netcons test #18-29 [ 32.057878][ T337] netcons test #18-30 [ 32.057878][ T337] netcons test #18-31 [ 32.057878][ T337] netcons test #18-32 [ 32.057878][ T337] netcons test #18-33 [ 32.057878][ T337] netcons test #18-34 [ 32.057878][ T337] netcons test #18-35 [ 32.057878][ T337] netcons test #18-36 [ 32.057878][ T337] netcons test #18-37 [ 32.057878][ T337] netcons test #18-38 [ 32.057878][ T337] netcons test #18-39 [ 32.057922][ T337] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 32.057928][ T337] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 337, name: python3 [ 32.057931][ T337] preempt_count: 1, expected: 0 [ 32.057932][ T337] RCU nest depth: 0, expected: 0 [ 32.057934][ T337] locks held by python3/337: 4, last CPU#2: [ 32.057937][ T337] #0: ffffffffb6999dc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 32.057954][ T337] #1: ffffffffb6999e38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 32.057962][ T337] #2: ffffffffb6889760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 32.057970][ T337] #3: ffffffffb6889660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 32.057978][ T337] irq event stamp: 537250 [ 32.057980][ T337] hardirqs last enabled at (537249): [] __down_trylock_console_sem+0x86/0xa0 [ 32.057984][ T337] hardirqs last disabled at (537250): [] console_emit_next_record+0x3f8/0x4f0 [ 32.057987][ T337] softirqs last enabled at (536454): [] handle_softirqs+0x67c/0x900 [ 32.057992][ T337] softirqs last disabled at (536449): [] __irq_exit_rcu+0x145/0x1c0 [ 32.057995][ T337] Preemption disabled at: [ 32.057997][ T337] [] vprintk_emit+0x31b/0x3e0 [ 32.058004][ T337] CPU: 2 UID: 0 PID: 337 Comm: python3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 32.058010][ T337] Tainted: [W]=WARN [ 32.058011][ T337] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 32.058014][ T337] Call Trace: [ 32.058016][ T337] [ 32.058018][ T337] dump_stack_lvl+0x6f/0xa0 [ 32.058026][ T337] ? vprintk_emit+0x31b/0x3e0 [ 32.058029][ T337] __might_resched.cold+0x1fe/0x2c1 [ 32.058036][ T337] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 32.058042][ T337] ? __kmalloc_noprof+0xdb/0x760 [ 32.058050][ T337] __kmalloc_noprof+0x443/0x760 [ 32.058054][ T337] ? alloc_buf.isra.0+0x4b/0x260 [ 32.058063][ T337] ? do_raw_spin_unlock+0x59/0x250 [ 32.058067][ T337] alloc_buf.isra.0+0x4b/0x260 [ 32.058074][ T337] put_chars+0x1e1/0x2f0 [ 32.058079][ T337] ? __send_to_port+0x420/0x420 [ 32.058083][ T337] ? printk_get_next_message+0x2fe/0x7d0 [ 32.058089][ T337] ? rcu_read_lock_any_held+0x3c/0x90 [ 32.058094][ T337] ? validate_chain+0x38b/0xc20 [ 32.058101][ T337] hvc_console_print+0x292/0x780 [ 32.058106][ T337] ? __lock_acquire+0x518/0xc20 [ 32.058109][ T337] ? __lock_acquire+0x518/0xc20 [ 32.058117][ T337] ? hvc_write+0x3a0/0x3a0 [ 32.058123][ T337] ? rcu_is_watching+0x16/0xd0 [ 32.058128][ T337] ? lock_acquire+0x13c/0x160 [ 32.058135][ T337] console_emit_next_record+0x252/0x4f0 [ 32.058141][ T337] ? devkmsg_read+0x4e0/0x4e0 [ 32.058149][ T337] ? rcu_is_watching+0x16/0xd0 [ 32.058153][ T337] ? lock_acquire+0x13c/0x160 [ 32.058160][ T337] console_flush_one_record+0x46f/0x710 [ 32.058167][ T337] ? console_emit_next_record+0x4f0/0x4f0 [ 32.058170][ T337] ? __lock_acquire+0x518/0xc20 [ 32.058180][ T337] console_unlock+0xee/0x1f0 [ 32.058184][ T337] ? console_flush_one_record+0x710/0x710 [ 32.058187][ T337] ? rcu_is_watching+0x16/0xd0 [ 32.058191][ T337] ? lock_acquire+0xa0/0x160 [ 32.058197][ T337] ? __down_trylock_console_sem+0x5e/0xa0 [ 32.058200][ T337] ? vprintk_emit+0x320/0x3e0 [ 32.058206][ T337] vprintk_emit+0x37c/0x3e0 [ 32.058212][ T337] ? wake_up_klogd_work_func+0x90/0x90 [ 32.058218][ T337] ? _copy_from_iter+0x1bb/0x1810 [ 32.058226][ T337] devkmsg_emit.constprop.0+0xbc/0xf1 [ 32.058232][ T337] ? vprintk_emit.cold+0x107/0x107 [ 32.058239][ T337] ? __kmalloc_noprof+0x302/0x760 [ 32.058242][ T337] ? idr_get_free+0x830/0x830 [ 32.058247][ T337] ? devkmsg_write+0xd1/0x2c0 [ 32.058252][ T337] ? _copy_from_iter+0x1bb/0x1810 [ 32.058256][ T337] devkmsg_write.cold+0x5a/0x8b [ 32.058261][ T337] ? vprintk_default+0x20/0x20 [ 32.058269][ T337] ? vprintk_default+0x20/0x20 [ 32.058273][ T337] new_sync_write+0x33e/0x760 [ 32.058281][ T337] ? new_sync_read+0x750/0x750 [ 32.058289][ T337] ? __lock_release.isra.0+0x69/0x1a0 [ 32.058303][ T337] ? __fget_files+0x1e3/0x460 [ 32.058309][ T337] vfs_write+0x6a2/0xbd0 [ 32.058316][ T337] ksys_write+0x116/0x250 [ 32.058321][ T337] ? __ia32_sys_read+0xc0/0xc0 [ 32.058328][ T337] ? rcu_is_watching+0x16/0xd0 [ 32.058335][ T337] do_syscall_64+0xff/0x530 [ 32.058340][ T337] ? irq_exit_rcu+0x1a/0x30 [ 32.058344][ T337] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 32.058348][ T337] RIP: 0033:0x7f8899c7c312 [ 32.058354][ T337] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00 [ 32.058357][ T337] RSP: 002b:00007ffc14064d68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 32.058361][ T337] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007f8899c7c312 [ 32.058363][ T337] RDX: 0000000000000316 RSI: 00005650093522b0 RDI: 000000000000000b [ 32.058365][ T337] RBP: 00007ffc14064d90 R08: 0000000000000000 R09: 0000000000000000 [ 32.058367][ T337] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8899ae9390 [ 32.058369][ T337] R13: 00005650093522b0 R14: 000000000000000b R15: 00007f8899a750d0 [ 32.058381][ T337] [ 32.157234][ T337] netconsole: netconsole: local port 1514 [ 32.157626][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 32.158165][ T337] netconsole: netconsole: interface name 'enp1s0' [ 32.158628][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 32.159161][ T337] netconsole: netconsole: remote port 6666 [ 32.159645][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 32.160184][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 32.206678][ T337] netconsole: network logging started [ 32.625553][ T337] netcons test #19-0 [ 32.625553][ T337] netcons test #19-1 [ 32.625553][ T337] netcons test #19-2 [ 32.625553][ T337] netcons test #19-3 [ 32.625553][ T337] netcons test #19-4 [ 32.625553][ T337] netcons test #19-5 [ 32.625553][ T337] netcons test #19-6 [ 32.625553][ T337] netcons test #19-7 [ 32.625553][ T337] netcons test #19-8 [ 32.625553][ T337] netcons test #19-9 [ 32.625553][ T337] netcons test #19-10 [ 32.625553][ T337] netcons test #19-11 [ 32.625553][ T337] netcons test #19-12 [ 32.625553][ T337] netcons test #19-13 [ 32.625553][ T337] netcons test #19-14 [ 32.625553][ T337] netcons test #19-15 [ 32.625553][ T337] netcons test #19-16 [ 32.625553][ T337] netcons test #19-17 [ 32.625553][ T337] netcons test #19-18 [ 32.625553][ T337] netcons test #19-19 [ 32.625553][ T337] netcons test #19-20 [ 32.625553][ T337] netcons test #19-21 [ 32.625553][ T337] netcons test #19-22 [ 32.625553][ T337] netcons test #19-23 [ 32.625553][ T337] netcons test #19-24 [ 32.625553][ T337] netcons test #19-25 [ 32.625553][ T337] netcons test #19-26 [ 32.625553][ T337] netcons test #19-27 [ 32.625553][ T337] netcons test #19-28 [ 32.625553][ T337] netcons test #19-29 [ 32.625553][ T337] netcons test #19-30 [ 32.625553][ T337] netcons test #19-31 [ 32.625553][ T337] netcons test #19-32 [ 32.625553][ T337] netcons test #19-33 [ 32.625553][ T337] netcons test #19-34 [ 32.625553][ T337] netcons test #19-35 [ 32.625553][ T337] netcons test #19-36 [ 32.625553][ T337] netcons test #19-37 [ 32.625553][ T337] netcons test #19-38 [ 32.625553][ T337] netcons test #19-39 [ 32.643731][ T337] netconsole: netconsole: local port 1514 [ 32.644131][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 32.644716][ T337] netconsole: netconsole: interface name 'enp1s0' [ 32.653106][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 32.653743][ T337] netconsole: netconsole: remote port 6666 [ 32.654288][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 32.659438][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 32.691109][ T337] netconsole: network logging started