[ 13.673407][ T89] (udev-worker) (89) used greatest stack depth: 22696 bytes left [ 13.673426][ T89] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 13.673428][ T89] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 89, name: (udev-worker) [ 13.673430][ T89] preempt_count: 2, expected: 0 [ 13.673431][ T89] RCU nest depth: 0, expected: 0 [ 13.673432][ T89] locks held by (udev-worker)/89: 5, last CPU#3: [ 13.673434][ T89] #0: ffffffffa78027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 13.673447][ T89] #1: ffffffffa7999cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 13.673453][ T89] #2: ffffffffa7999d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 13.673457][ T89] #3: ffffffffa7889660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 13.673461][ T89] #4: ffffffffa7889560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 13.673468][ T89] irq event stamp: 532616 [ 13.673469][ T89] hardirqs last enabled at (532615): [] __down_trylock_console_sem+0x86/0xa0 [ 13.673471][ T89] hardirqs last disabled at (532616): [] console_emit_next_record+0x3f8/0x4f0 [ 13.673473][ T89] softirqs last enabled at (532548): [] netlink_release+0x17b/0xcf0 [ 13.673477][ T89] softirqs last disabled at (532546): [] netlink_release+0xd2/0xcf0 [ 13.673480][ T89] Preemption disabled at: [ 13.673481][ T89] [<0000000000000000>] 0x0 [ 13.673488][ T89] CPU: 3 UID: 0 PID: 89 Comm: (udev-worker) Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 13.673492][ T89] Tainted: [W]=WARN [ 13.673493][ T89] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.673495][ T89] Call Trace: [ 13.673497][ T89] [ 13.673498][ T89] dump_stack_lvl+0x6f/0xa0 [ 13.673505][ T89] __might_resched.cold+0x1fe/0x2c1 [ 13.673510][ T89] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 13.673514][ T89] ? __kmalloc_noprof+0xdb/0x760 [ 13.673519][ T89] __kmalloc_noprof+0x443/0x760 [ 13.673521][ T89] ? alloc_buf.isra.0+0x4b/0x260 [ 13.673527][ T89] ? do_raw_spin_unlock+0x59/0x250 [ 13.673530][ T89] alloc_buf.isra.0+0x4b/0x260 [ 13.673533][ T89] put_chars+0x1e1/0x2f0 [ 13.673536][ T89] ? __send_to_port+0x420/0x420 [ 13.673537][ T89] ? printk_get_next_message+0x2fe/0x7d0 [ 13.673541][ T89] ? rcu_read_lock_any_held+0x3c/0x90 [ 13.673544][ T89] ? validate_chain+0x38b/0xc20 [ 13.673548][ T89] hvc_console_print+0x292/0x780 [ 13.673551][ T89] ? __lock_acquire+0x518/0xc20 [ 13.673552][ T89] ? __lock_acquire+0x518/0xc20 [ 13.673557][ T89] ? hvc_write+0x3a0/0x3a0 [ 13.673560][ T89] ? rcu_is_watching+0x16/0xd0 [ 13.673563][ T89] ? lock_acquire+0x13c/0x160 [ 13.673567][ T89] console_emit_next_record+0x252/0x4f0 [ 13.673570][ T89] ? devkmsg_read+0x4e0/0x4e0 [ 13.673575][ T89] ? rcu_is_watching+0x16/0xd0 [ 13.673577][ T89] ? lock_acquire+0x13c/0x160 [ 13.673581][ T89] console_flush_one_record+0x46f/0x710 [ 13.673585][ T89] ? console_emit_next_record+0x4f0/0x4f0 [ 13.673586][ T89] ? __lock_acquire+0x518/0xc20 [ 13.673592][ T89] console_unlock+0xee/0x1f0 [ 13.673594][ T89] ? console_flush_one_record+0x710/0x710 [ 13.673596][ T89] ? rcu_is_watching+0x16/0xd0 [ 13.673598][ T89] ? lock_acquire+0x60/0x160 [ 13.673602][ T89] ? __down_trylock_console_sem+0x5e/0xa0 [ 13.673603][ T89] ? vprintk_emit+0x320/0x3e0 [ 13.673606][ T89] vprintk_emit+0x37c/0x3e0 [ 13.673610][ T89] ? wake_up_klogd_work_func+0x90/0x90 [ 13.673613][ T89] ? __lock_acquire+0x518/0xc20 [ 13.673617][ T89] _printk+0xc7/0x100 [ 13.673621][ T89] ? snapshot_read.cold+0x21/0x21 [ 13.673624][ T89] ? do_raw_spin_lock+0x131/0x280 [ 13.673626][ T89] ? __rwlock_init+0x150/0x150 [ 13.673630][ T89] ? do_raw_spin_lock+0x131/0x280 [ 13.673632][ T89] do_exit.cold+0x82/0x9c [ 13.673636][ T89] ? exit_notify+0x890/0x890 [ 13.673638][ T89] ? __lock_release.isra.0+0x69/0x1a0 [ 13.673640][ T89] ? rcu_is_watching+0x16/0xd0 [ 13.673644][ T89] do_group_exit+0xb8/0x370 [ 13.673648][ T89] __x64_sys_exit_group+0x3c/0x50 [ 13.673650][ T89] x64_sys_call+0x1567/0x1570 [ 13.673652][ T89] do_syscall_64+0xff/0x530 [ 13.673656][ T89] ? common_interrupt+0x5a/0xf0 [ 13.673659][ T89] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 13.673661][ T89] RIP: 0033:0x7fc7714301b8 [ 13.673664][ T89] Code: Unable to access opcode bytes at 0x7fc77143018e. [ 13.673665][ T89] RSP: 002b:00007ffde721b9c8 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 13.673668][ T89] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc7714301b8 [ 13.673669][ T89] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 13.673670][ T89] RBP: 00007ffde721bb50 R08: 0000562dafdcfdf8 R09: 0000000000000000 [ 13.673671][ T89] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 [ 13.673672][ T89] R13: 00007fc770c8e050 R14: 00007fc771961d9e R15: 0000562dafc75fb0 [ 13.673679][ T89]