[ 14.146994][ T90] (udev-worker) (90) used greatest stack depth: 22696 bytes left [ 14.147015][ T90] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 14.147017][ T90] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 90, name: (udev-worker) [ 14.147019][ T90] preempt_count: 2, expected: 0 [ 14.147020][ T90] RCU nest depth: 0, expected: 0 [ 14.147021][ T90] locks held by (udev-worker)/90: 5, last CPU#0: [ 14.147024][ T90] #0: ffffffff920027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 14.147035][ T90] #1: ffffffff92199dc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 14.147041][ T90] #2: ffffffff92199e38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 14.147045][ T90] #3: ffffffff92089760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 14.147049][ T90] #4: ffffffff92089660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 14.147053][ T90] irq event stamp: 404590 [ 14.147054][ T90] hardirqs last enabled at (404589): [] __down_trylock_console_sem+0x86/0xa0 [ 14.147057][ T90] hardirqs last disabled at (404590): [] console_emit_next_record+0x3f8/0x4f0 [ 14.147059][ T90] softirqs last enabled at (404526): [] netlink_release+0x17b/0xcf0 [ 14.147063][ T90] softirqs last disabled at (404524): [] netlink_release+0xd2/0xcf0 [ 14.147066][ T90] Preemption disabled at: [ 14.147067][ T90] [<0000000000000000>] 0x0 [ 14.147074][ T90] CPU: 0 UID: 0 PID: 90 Comm: (udev-worker) Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 14.147077][ T90] Tainted: [W]=WARN [ 14.147078][ T90] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.147080][ T90] Call Trace: [ 14.147081][ T90] [ 14.147083][ T90] dump_stack_lvl+0x6f/0xa0 [ 14.147089][ T90] __might_resched.cold+0x1fe/0x2c1 [ 14.147094][ T90] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 14.147098][ T90] ? __kmalloc_noprof+0xdb/0x760 [ 14.147104][ T90] __kmalloc_noprof+0x443/0x760 [ 14.147106][ T90] ? alloc_buf.isra.0+0x4b/0x260 [ 14.147113][ T90] ? do_raw_spin_unlock+0x59/0x250 [ 14.147116][ T90] alloc_buf.isra.0+0x4b/0x260 [ 14.147119][ T90] put_chars+0x1e1/0x2f0 [ 14.147123][ T90] ? __send_to_port+0x420/0x420 [ 14.147125][ T90] ? printk_get_next_message+0x2fe/0x7d0 [ 14.147128][ T90] ? rcu_read_lock_any_held+0x3c/0x90 [ 14.147131][ T90] ? validate_chain+0x38b/0xc20 [ 14.147135][ T90] hvc_console_print+0x292/0x780 [ 14.147139][ T90] ? __lock_acquire+0x518/0xc20 [ 14.147141][ T90] ? __lock_acquire+0x518/0xc20 [ 14.147145][ T90] ? hvc_write+0x3a0/0x3a0 [ 14.147149][ T90] ? rcu_is_watching+0x16/0xd0 [ 14.147152][ T90] ? lock_acquire+0x13c/0x160 [ 14.147156][ T90] console_emit_next_record+0x252/0x4f0 [ 14.147160][ T90] ? devkmsg_read+0x4e0/0x4e0 [ 14.147165][ T90] ? rcu_is_watching+0x16/0xd0 [ 14.147167][ T90] ? lock_acquire+0x13c/0x160 [ 14.147171][ T90] console_flush_one_record+0x46f/0x710 [ 14.147175][ T90] ? console_emit_next_record+0x4f0/0x4f0 [ 14.147177][ T90] ? __lock_acquire+0x518/0xc20 [ 14.147182][ T90] console_unlock+0xee/0x1f0 [ 14.147185][ T90] ? console_flush_one_record+0x710/0x710 [ 14.147186][ T90] ? rcu_is_watching+0x16/0xd0 [ 14.147189][ T90] ? lock_acquire+0xa0/0x160 [ 14.147192][ T90] ? __down_trylock_console_sem+0x5e/0xa0 [ 14.147194][ T90] ? vprintk_emit+0x320/0x3e0 [ 14.147197][ T90] vprintk_emit+0x37c/0x3e0 [ 14.147201][ T90] ? wake_up_klogd_work_func+0x90/0x90 [ 14.147204][ T90] ? __lock_acquire+0x518/0xc20 [ 14.147208][ T90] _printk+0xc7/0x100 [ 14.147212][ T90] ? snapshot_read.cold+0x21/0x21 [ 14.147214][ T90] ? do_raw_spin_lock+0x131/0x280 [ 14.147217][ T90] ? __rwlock_init+0x150/0x150 [ 14.147222][ T90] ? do_raw_spin_lock+0x131/0x280 [ 14.147225][ T90] do_exit.cold+0x82/0x9c [ 14.147229][ T90] ? exit_notify+0x890/0x890 [ 14.147230][ T90] ? __lock_release.isra.0+0x69/0x1a0 [ 14.147233][ T90] ? rcu_is_watching+0x16/0xd0 [ 14.147237][ T90] do_group_exit+0xb8/0x370 [ 14.147240][ T90] __x64_sys_exit_group+0x3c/0x50 [ 14.147241][ T90] x64_sys_call+0x1567/0x1570 [ 14.147243][ T90] do_syscall_64+0xff/0x530 [ 14.147247][ T90] ? exc_page_fault+0xee/0x100 [ 14.147250][ T90] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.147253][ T90] RIP: 0033:0x7ff0478e01b8 [ 14.147255][ T90] Code: Unable to access opcode bytes at 0x7ff0478e018e. [ 14.147257][ T90] RSP: 002b:00007ffd61e8b968 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 14.147259][ T90] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff0478e01b8 [ 14.147260][ T90] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 14.147261][ T90] RBP: 00007ffd61e8baf0 R08: 0000559b24aa7e08 R09: 0000000000000000 [ 14.147262][ T90] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 [ 14.147263][ T90] R13: 00007ff04713e050 R14: 00007ff047e11d9e R15: 0000559b2494ace0 [ 14.147270][ T90]