[ 14.509354][ T91] (udev-worker) (91) used greatest stack depth: 22696 bytes left [ 14.509373][ T91] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 14.509375][ T91] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 91, name: (udev-worker) [ 14.509377][ T91] preempt_count: 2, expected: 0 [ 14.509378][ T91] RCU nest depth: 0, expected: 0 [ 14.509379][ T91] INFO: lockdep is turned off. [ 14.509380][ T91] irq event stamp: 342738 [ 14.509381][ T91] hardirqs last enabled at (342737): [] _raw_spin_unlock_irq+0x28/0x50 [ 14.509390][ T91] hardirqs last disabled at (342738): [] __schedule+0x1246/0x20e0 [ 14.509393][ T91] softirqs last enabled at (342642): [] unix_release_sock+0x446/0xe50 [ 14.509396][ T91] softirqs last disabled at (342640): [] unix_release_sock+0x39f/0xe50 [ 14.509398][ T91] Preemption disabled at: [ 14.509399][ T91] [<0000000000000000>] 0x0 [ 14.509406][ T91] CPU: 3 UID: 0 PID: 91 Comm: (udev-worker) Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 14.509410][ T91] Tainted: [W]=WARN [ 14.509411][ T91] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.509414][ T91] Call Trace: [ 14.509416][ T91] [ 14.509417][ T91] dump_stack_lvl+0x6f/0xa0 [ 14.509423][ T91] __might_resched.cold+0x1fe/0x2c1 [ 14.509427][ T91] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 14.509431][ T91] ? __asan_memcpy+0x3c/0x60 [ 14.509435][ T91] ? rcu_is_watching+0x16/0xd0 [ 14.509438][ T91] __kmalloc_noprof+0x443/0x760 [ 14.509441][ T91] ? __rwlock_init+0x150/0x150 [ 14.509444][ T91] ? alloc_buf.isra.0+0x4b/0x260 [ 14.509448][ T91] ? do_raw_spin_unlock+0x59/0x250 [ 14.509449][ T91] alloc_buf.isra.0+0x4b/0x260 [ 14.509452][ T91] put_chars+0x1e1/0x2f0 [ 14.509454][ T91] ? __send_to_port+0x420/0x420 [ 14.509456][ T91] ? console_prepend_replay+0x20/0x20 [ 14.509460][ T91] hvc_console_print+0x292/0x780 [ 14.509463][ T91] ? hvc_write+0x3a0/0x3a0 [ 14.509465][ T91] ? rcu_is_watching+0x16/0xd0 [ 14.509467][ T91] ? lock_acquire+0x13c/0x160 [ 14.509469][ T91] console_emit_next_record+0x22f/0x4c0 [ 14.509471][ T91] ? devkmsg_read+0x4b0/0x4b0 [ 14.509473][ T91] ? rcu_is_watching+0x16/0xd0 [ 14.509474][ T91] ? rcu_is_watching+0x16/0xd0 [ 14.509476][ T91] ? rcu_is_watching+0x16/0xd0 [ 14.509484][ T91] ? lock_acquire+0x13c/0x160 [ 14.509486][ T91] ? console_flush_one_record+0x111/0x710 [ 14.509487][ T91] console_flush_one_record+0x46f/0x710 [ 14.509490][ T91] ? console_emit_next_record+0x4c0/0x4c0 [ 14.509493][ T91] console_unlock+0xee/0x1f0 [ 14.509494][ T91] ? lock_acquire+0x13c/0x160 [ 14.509496][ T91] ? console_flush_one_record+0x710/0x710 [ 14.509497][ T91] ? rcu_is_watching+0x16/0xd0 [ 14.509499][ T91] ? lock_release+0x184/0x1f0 [ 14.509500][ T91] ? lock_acquire+0x60/0x160 [ 14.509501][ T91] ? __rcu_read_lock+0x30/0x70 [ 14.509503][ T91] ? __down_trylock_console_sem+0x5e/0xa0 [ 14.509505][ T91] ? vprintk_emit+0x320/0x3e0 [ 14.509507][ T91] vprintk_emit+0x37c/0x3e0 [ 14.509509][ T91] ? wake_up_klogd_work_func+0x90/0x90 [ 14.509511][ T91] ? do_raw_read_unlock+0x70/0x70 [ 14.509512][ T91] ? forget_original_parent+0x5c/0xdb0 [ 14.509516][ T91] _printk+0xc7/0x100 [ 14.509519][ T91] ? snapshot_read.cold+0x21/0x21 [ 14.509521][ T91] ? do_raw_spin_lock+0x131/0x280 [ 14.509522][ T91] ? do_raw_spin_lock+0x131/0x280 [ 14.509524][ T91] ? __rwlock_init+0x150/0x150 [ 14.509525][ T91] ? do_raw_spin_lock+0x131/0x280 [ 14.509527][ T91] do_exit.cold+0x82/0x9c [ 14.509530][ T91] ? vfs_read+0x3dd/0x7b0 [ 14.509533][ T91] ? exit_notify+0x890/0x890 [ 14.509535][ T91] ? posixtimer_sig_unignore.isra.0+0x5f0/0x5f0 [ 14.509537][ T91] ? rcu_is_watching+0x16/0xd0 [ 14.509540][ T91] do_group_exit+0xb8/0x370 [ 14.509542][ T91] __x64_sys_exit_group+0x3c/0x50 [ 14.509544][ T91] x64_sys_call+0x1567/0x1570 [ 14.509545][ T91] do_syscall_64+0xff/0x530 [ 14.509548][ T91] ? exc_page_fault+0xee/0x100 [ 14.509550][ T91] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.509552][ T91] RIP: 0033:0x7ff90f27f1b8 [ 14.509554][ T91] Code: Unable to access opcode bytes at 0x7ff90f27f18e. [ 14.509555][ T91] RSP: 002b:00007ffd11aaffb8 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 14.509559][ T91] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff90f27f1b8 [ 14.509560][ T91] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 14.509561][ T91] RBP: 00007ffd11ab0140 R08: 00005648da7b6d38 R09: 0000000000000000 [ 14.509562][ T91] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 [ 14.509563][ T91] R13: 00007ff90eadd050 R14: 00007ff90f7b0d9e R15: 00005648da767180 [ 14.509565][ T91]