[ 12.526400][ T89] (udev-worker) (89) used greatest stack depth: 22696 bytes left [ 12.526418][ T89] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 12.526420][ T89] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 89, name: (udev-worker) [ 12.526422][ T89] preempt_count: 2, expected: 0 [ 12.526423][ T89] RCU nest depth: 0, expected: 0 [ 12.526424][ T89] INFO: lockdep is turned off. [ 12.526425][ T89] irq event stamp: 427726 [ 12.526426][ T89] hardirqs last enabled at (427725): [] _raw_spin_unlock_irq+0x28/0x50 [ 12.526434][ T89] hardirqs last disabled at (427726): [] __schedule+0x1246/0x20e0 [ 12.526436][ T89] softirqs last enabled at (427654): [] unix_release_sock+0x446/0xe50 [ 12.526440][ T89] softirqs last disabled at (427652): [] unix_release_sock+0x39f/0xe50 [ 12.526442][ T89] Preemption disabled at: [ 12.526442][ T89] [<0000000000000000>] 0x0 [ 12.526448][ T89] CPU: 2 UID: 0 PID: 89 Comm: (udev-worker) Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 12.526452][ T89] Tainted: [W]=WARN [ 12.526453][ T89] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.526455][ T89] Call Trace: [ 12.526456][ T89] [ 12.526457][ T89] dump_stack_lvl+0x6f/0xa0 [ 12.526463][ T89] __might_resched.cold+0x1fe/0x2c1 [ 12.526467][ T89] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 12.526471][ T89] ? rcu_is_watching+0x16/0xd0 [ 12.526475][ T89] __kmalloc_noprof+0x443/0x760 [ 12.526479][ T89] ? __rwlock_init+0x150/0x150 [ 12.526481][ T89] ? alloc_buf.isra.0+0x4b/0x260 [ 12.526486][ T89] ? do_raw_spin_unlock+0x59/0x250 [ 12.526487][ T89] alloc_buf.isra.0+0x4b/0x260 [ 12.526490][ T89] put_chars+0x1e1/0x2f0 [ 12.526492][ T89] ? __send_to_port+0x420/0x420 [ 12.526494][ T89] ? printk_get_next_message+0x2fe/0x7d0 [ 12.526497][ T89] ? console_prepend_replay+0x20/0x20 [ 12.526499][ T89] ? desc_read+0x219/0x2f0 [ 12.526501][ T89] hvc_console_print+0x292/0x780 [ 12.526505][ T89] ? hvc_write+0x3a0/0x3a0 [ 12.526507][ T89] ? __rwlock_init+0x150/0x150 [ 12.526508][ T89] ? rcu_is_watching+0x16/0xd0 [ 12.526510][ T89] ? rcu_is_watching+0x16/0xd0 [ 12.526512][ T89] ? lock_acquire+0x13c/0x160 [ 12.526514][ T89] console_emit_next_record+0x252/0x4f0 [ 12.526516][ T89] ? devkmsg_read+0x4e0/0x4e0 [ 12.526518][ T89] ? _prb_read_valid+0x6e0/0x6e0 [ 12.526519][ T89] ? __asan_memmove+0x3c/0x60 [ 12.526521][ T89] ? rcu_is_watching+0x16/0xd0 [ 12.526523][ T89] ? rcu_is_watching+0x16/0xd0 [ 12.526524][ T89] ? rcu_is_watching+0x16/0xd0 [ 12.526526][ T89] ? lock_acquire+0x13c/0x160 [ 12.526528][ T89] ? console_flush_one_record+0x111/0x710 [ 12.526530][ T89] console_flush_one_record+0x46f/0x710 [ 12.526532][ T89] ? console_emit_next_record+0x4f0/0x4f0 [ 12.526534][ T89] console_unlock+0xee/0x1f0 [ 12.526536][ T89] ? lock_acquire+0x13c/0x160 [ 12.526537][ T89] ? console_flush_one_record+0x710/0x710 [ 12.526539][ T89] ? rcu_is_watching+0x16/0xd0 [ 12.526541][ T89] ? lock_release+0x184/0x1f0 [ 12.526542][ T89] ? lock_acquire+0xa0/0x160 [ 12.526543][ T89] ? sync_exp_reset_tree_hotplug+0x3e0/0x3f0 [ 12.526546][ T89] ? __down_trylock_console_sem+0x5e/0xa0 [ 12.526547][ T89] ? vprintk_emit+0x320/0x3e0 [ 12.526549][ T89] vprintk_emit+0x37c/0x3e0 [ 12.526552][ T89] ? wake_up_klogd_work_func+0x90/0x90 [ 12.526553][ T89] ? do_raw_read_unlock+0x70/0x70 [ 12.526555][ T89] ? forget_original_parent+0x5c/0xdb0 [ 12.526558][ T89] _printk+0xc7/0x100 [ 12.526561][ T89] ? snapshot_read.cold+0x21/0x21 [ 12.526562][ T89] ? do_raw_spin_lock+0x131/0x280 [ 12.526564][ T89] ? do_raw_spin_lock+0x131/0x280 [ 12.526566][ T89] ? __rwlock_init+0x150/0x150 [ 12.526568][ T89] ? do_raw_spin_lock+0x131/0x280 [ 12.526569][ T89] do_exit.cold+0x82/0x9c [ 12.526572][ T89] ? exit_notify+0x890/0x890 [ 12.526573][ T89] ? posixtimer_sig_unignore.isra.0+0x5f0/0x5f0 [ 12.526576][ T89] ? rcu_is_watching+0x16/0xd0 [ 12.526578][ T89] do_group_exit+0xb8/0x370 [ 12.526580][ T89] __x64_sys_exit_group+0x3c/0x50 [ 12.526581][ T89] x64_sys_call+0x1567/0x1570 [ 12.526583][ T89] do_syscall_64+0xff/0x530 [ 12.526585][ T89] ? exc_page_fault+0xee/0x100 [ 12.526587][ T89] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 12.526590][ T89] RIP: 0033:0x7fd6f78271b8 [ 12.526592][ T89] Code: Unable to access opcode bytes at 0x7fd6f782718e. [ 12.526593][ T89] RSP: 002b:00007fff61ecc3f8 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 12.526596][ T89] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd6f78271b8 [ 12.526597][ T89] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 12.526598][ T89] RBP: 00007fff61ecc580 R08: 00005595e37e79e8 R09: 0000000000000000 [ 12.526599][ T89] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 [ 12.526600][ T89] R13: 00007fd6f7085050 R14: 00007fd6f7d58d9e R15: 00005595e37d95c0 [ 12.526602][ T89]