[ 17.619714][ T180] (udev-worker) (180) used greatest stack depth: 22696 bytes left [ 17.619739][ T180] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 17.619741][ T180] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 180, name: (udev-worker) [ 17.619744][ T180] preempt_count: 2, expected: 0 [ 17.619745][ T180] RCU nest depth: 0, expected: 0 [ 17.619747][ T180] locks held by (udev-worker)/180: 5, last CPU#2: [ 17.619750][ T180] #0: ffffffffafa027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 17.619764][ T180] #1: ffffffffafb99cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 17.619771][ T180] #2: ffffffffafb99d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 17.619778][ T180] #3: ffffffffafa89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 17.619786][ T180] #4: ffffffffafa89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 17.619793][ T180] irq event stamp: 437840 [ 17.619794][ T180] hardirqs last enabled at (437839): [] __down_trylock_console_sem+0x86/0xa0 [ 17.619799][ T180] hardirqs last disabled at (437840): [] console_emit_next_record+0x3f8/0x4f0 [ 17.619802][ T180] softirqs last enabled at (437776): [] netlink_release+0x17b/0xcf0 [ 17.619807][ T180] softirqs last disabled at (437774): [] netlink_release+0xd2/0xcf0 [ 17.619811][ T180] Preemption disabled at: [ 17.619812][ T180] [<0000000000000000>] 0x0 [ 17.619821][ T180] CPU: 2 UID: 0 PID: 180 Comm: (udev-worker) Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 17.619826][ T180] Tainted: [W]=WARN [ 17.619827][ T180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.619830][ T180] Call Trace: [ 17.619832][ T180] [ 17.619834][ T180] dump_stack_lvl+0x6f/0xa0 [ 17.619843][ T180] __might_resched.cold+0x1fe/0x2c1 [ 17.619849][ T180] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 17.619854][ T180] ? __kmalloc_noprof+0xdb/0x760 [ 17.619862][ T180] __kmalloc_noprof+0x443/0x760 [ 17.619866][ T180] ? alloc_buf.isra.0+0x4b/0x260 [ 17.619875][ T180] ? do_raw_spin_unlock+0x59/0x250 [ 17.619879][ T180] alloc_buf.isra.0+0x4b/0x260 [ 17.619884][ T180] put_chars+0x1e1/0x2f0 [ 17.619889][ T180] ? __send_to_port+0x420/0x420 [ 17.619892][ T180] ? printk_get_next_message+0x2fe/0x7d0 [ 17.619897][ T180] ? rcu_read_lock_any_held+0x3c/0x90 [ 17.619902][ T180] ? validate_chain+0x38b/0xc20 [ 17.619910][ T180] hvc_console_print+0x292/0x780 [ 17.619914][ T180] ? __lock_acquire+0x518/0xc20 [ 17.619917][ T180] ? __lock_acquire+0x518/0xc20 [ 17.619925][ T180] ? hvc_write+0x3a0/0x3a0 [ 17.619931][ T180] ? rcu_is_watching+0x16/0xd0 [ 17.619934][ T180] ? lock_acquire+0x13c/0x160 [ 17.619941][ T180] console_emit_next_record+0x252/0x4f0 [ 17.619948][ T180] ? devkmsg_read+0x4e0/0x4e0 [ 17.619956][ T180] ? rcu_is_watching+0x16/0xd0 [ 17.619959][ T180] ? lock_acquire+0x13c/0x160 [ 17.619966][ T180] console_flush_one_record+0x46f/0x710 [ 17.619973][ T180] ? console_emit_next_record+0x4f0/0x4f0 [ 17.619976][ T180] ? __lock_acquire+0x518/0xc20 [ 17.619986][ T180] console_unlock+0xee/0x1f0 [ 17.619990][ T180] ? console_flush_one_record+0x710/0x710 [ 17.619993][ T180] ? rcu_is_watching+0x16/0xd0 [ 17.619996][ T180] ? lock_acquire+0x60/0x160 [ 17.620002][ T180] ? __down_trylock_console_sem+0x5e/0xa0 [ 17.620005][ T180] ? vprintk_emit+0x320/0x3e0 [ 17.620010][ T180] vprintk_emit+0x37c/0x3e0 [ 17.620016][ T180] ? wake_up_klogd_work_func+0x90/0x90 [ 17.620021][ T180] ? __lock_acquire+0x518/0xc20 [ 17.620028][ T180] _printk+0xc7/0x100 [ 17.620034][ T180] ? snapshot_read.cold+0x21/0x21 [ 17.620039][ T180] ? do_raw_spin_lock+0x131/0x280 [ 17.620043][ T180] ? __rwlock_init+0x150/0x150 [ 17.620051][ T180] ? do_raw_spin_lock+0x131/0x280 [ 17.620055][ T180] do_exit.cold+0x82/0x9c [ 17.620061][ T180] ? exit_notify+0x890/0x890 [ 17.620063][ T180] ? __lock_release.isra.0+0x69/0x1a0 [ 17.620068][ T180] ? rcu_is_watching+0x16/0xd0 [ 17.620075][ T180] do_group_exit+0xb8/0x370 [ 17.620081][ T180] __x64_sys_exit_group+0x3c/0x50 [ 17.620084][ T180] x64_sys_call+0x1567/0x1570 [ 17.620087][ T180] do_syscall_64+0xff/0x530 [ 17.620091][ T180] ? exc_page_fault+0xee/0x100 [ 17.620096][ T180] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.620099][ T180] RIP: 0033:0x7ff3d4d241b8 [ 17.620103][ T180] Code: Unable to access opcode bytes at 0x7ff3d4d2418e. [ 17.620104][ T180] RSP: 002b:00007ffed61ad8b8 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 17.620107][ T180] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3d4d241b8 [ 17.620109][ T180] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 17.620111][ T180] RBP: 00007ffed61ada40 R08: 00005556cecedff8 R09: 0000000000000000 [ 17.620112][ T180] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 [ 17.620114][ T180] R13: 00007ff3d4582050 R14: 00007ff3d5255d9e R15: 00005556ceb6e110 [ 17.620126][ T180]