[ 14.059200][ T88] (udev-worker) (88) used greatest stack depth: 22696 bytes left [ 14.059220][ T88] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 14.059223][ T88] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 88, name: (udev-worker) [ 14.059224][ T88] preempt_count: 2, expected: 0 [ 14.059225][ T88] RCU nest depth: 0, expected: 0 [ 14.059226][ T88] locks held by (udev-worker)/88: 5, last CPU#3: [ 14.059230][ T88] #0: ffffffffb34027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 14.059243][ T88] #1: ffffffffb3569cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 14.059249][ T88] #2: ffffffffb3569d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 14.059252][ T88] #3: ffffffffb3489660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 14.059256][ T88] #4: ffffffffb3489560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 14.059259][ T88] irq event stamp: 608690 [ 14.059260][ T88] hardirqs last enabled at (608689): [] __down_trylock_console_sem+0x86/0xa0 [ 14.059263][ T88] hardirqs last disabled at (608690): [] console_emit_next_record+0x3d4/0x4c0 [ 14.059264][ T88] softirqs last enabled at (608626): [] netlink_release+0x17b/0xcf0 [ 14.059268][ T88] softirqs last disabled at (608624): [] netlink_release+0xd2/0xcf0 [ 14.059271][ T88] Preemption disabled at: [ 14.059271][ T88] [<0000000000000000>] 0x0 [ 14.059278][ T88] CPU: 3 UID: 0 PID: 88 Comm: (udev-worker) Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 14.059282][ T88] Tainted: [W]=WARN [ 14.059283][ T88] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.059284][ T88] Call Trace: [ 14.059286][ T88] [ 14.059288][ T88] dump_stack_lvl+0x6f/0xa0 [ 14.059293][ T88] __might_resched.cold+0x1fe/0x2c1 [ 14.059298][ T88] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 14.059302][ T88] ? __kmalloc_noprof+0xdb/0x760 [ 14.059306][ T88] __kmalloc_noprof+0x443/0x760 [ 14.059308][ T88] ? alloc_buf.isra.0+0x4b/0x260 [ 14.059314][ T88] ? do_raw_spin_unlock+0x59/0x250 [ 14.059317][ T88] alloc_buf.isra.0+0x4b/0x260 [ 14.059320][ T88] put_chars+0x1e1/0x2f0 [ 14.059324][ T88] ? __send_to_port+0x420/0x420 [ 14.059325][ T88] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.059330][ T88] ? validate_chain+0x38b/0xc20 [ 14.059335][ T88] hvc_console_print+0x292/0x780 [ 14.059341][ T88] ? hvc_write+0x3a0/0x3a0 [ 14.059344][ T88] ? rcu_is_watching+0x16/0xd0 [ 14.059346][ T88] ? lock_acquire+0x13c/0x160 [ 14.059350][ T88] console_emit_next_record+0x22f/0x4c0 [ 14.059353][ T88] ? devkmsg_read+0x4b0/0x4b0 [ 14.059355][ T88] ? console_flush_one_record+0x106/0x710 [ 14.059357][ T88] ? rcu_is_watching+0x16/0xd0 [ 14.059360][ T88] ? lock_acquire+0x13c/0x160 [ 14.059363][ T88] console_flush_one_record+0x46f/0x710 [ 14.059367][ T88] ? console_emit_next_record+0x4c0/0x4c0 [ 14.059368][ T88] ? __lock_acquire+0x518/0xc20 [ 14.059373][ T88] console_unlock+0xee/0x1f0 [ 14.059375][ T88] ? console_flush_one_record+0x710/0x710 [ 14.059377][ T88] ? rcu_is_watching+0x16/0xd0 [ 14.059379][ T88] ? lock_acquire+0x60/0x160 [ 14.059382][ T88] ? __down_trylock_console_sem+0x5e/0xa0 [ 14.059383][ T88] ? vprintk_emit+0x320/0x3e0 [ 14.059386][ T88] vprintk_emit+0x37c/0x3e0 [ 14.059390][ T88] ? wake_up_klogd_work_func+0x90/0x90 [ 14.059393][ T88] ? __lock_acquire+0x518/0xc20 [ 14.059396][ T88] _printk+0xc7/0x100 [ 14.059400][ T88] ? snapshot_read.cold+0x21/0x21 [ 14.059403][ T88] ? do_raw_spin_lock+0x131/0x280 [ 14.059405][ T88] ? __rwlock_init+0x150/0x150 [ 14.059408][ T88] ? do_raw_spin_lock+0x131/0x280 [ 14.059410][ T88] do_exit.cold+0x82/0x9c [ 14.059415][ T88] ? exit_notify+0x890/0x890 [ 14.059416][ T88] ? __lock_release.isra.0+0x69/0x1a0 [ 14.059418][ T88] ? rcu_is_watching+0x16/0xd0 [ 14.059422][ T88] do_group_exit+0xb8/0x370 [ 14.059425][ T88] __x64_sys_exit_group+0x3c/0x50 [ 14.059428][ T88] x64_sys_call+0x1567/0x1570 [ 14.059430][ T88] do_syscall_64+0xff/0x530 [ 14.059433][ T88] ? exc_page_fault+0xee/0x100 [ 14.059436][ T88] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.059438][ T88] RIP: 0033:0x7fae8c00b1b8 [ 14.059441][ T88] Code: Unable to access opcode bytes at 0x7fae8c00b18e. [ 14.059442][ T88] RSP: 002b:00007ffe9809fa68 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 14.059445][ T88] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fae8c00b1b8 [ 14.059446][ T88] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 14.059447][ T88] RBP: 00007ffe9809fbf0 R08: 00005601817c7168 R09: 0000000000000000 [ 14.059448][ T88] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 [ 14.059449][ T88] R13: 00007fae8b869050 R14: 00007fae8c53cd9e R15: 000056018164c720 [ 14.059455][ T88]