[ 17.320227][ T82] (udev-worker) (82) used greatest stack depth: 22696 bytes left [ 17.320253][ T82] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 17.320256][ T82] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 82, name: (udev-worker) [ 17.320259][ T82] preempt_count: 2, expected: 0 [ 17.320260][ T82] RCU nest depth: 0, expected: 0 [ 17.320262][ T82] locks held by (udev-worker)/82: 5, last CPU#1: [ 17.320265][ T82] #0: ffffffffaf6027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 17.320288][ T82] #1: ffffffffaf769cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 17.320302][ T82] #2: ffffffffaf769d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 17.320311][ T82] #3: ffffffffaf689660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 17.320318][ T82] #4: ffffffffaf689560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 17.320326][ T82] irq event stamp: 512408 [ 17.320327][ T82] hardirqs last enabled at (512407): [] __down_trylock_console_sem+0x86/0xa0 [ 17.320331][ T82] hardirqs last disabled at (512408): [] console_emit_next_record+0x3d4/0x4c0 [ 17.320334][ T82] softirqs last enabled at (512342): [] netlink_release+0x17b/0xcf0 [ 17.320339][ T82] softirqs last disabled at (512340): [] netlink_release+0xd2/0xcf0 [ 17.320343][ T82] Preemption disabled at: [ 17.320344][ T82] [<0000000000000000>] 0x0 [ 17.320353][ T82] CPU: 1 UID: 0 PID: 82 Comm: (udev-worker) Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 17.320359][ T82] Tainted: [W]=WARN [ 17.320361][ T82] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.320363][ T82] Call Trace: [ 17.320366][ T82] [ 17.320369][ T82] dump_stack_lvl+0x6f/0xa0 [ 17.320378][ T82] __might_resched.cold+0x1fe/0x2c1 [ 17.320385][ T82] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 17.320391][ T82] ? __kmalloc_noprof+0xdb/0x760 [ 17.320398][ T82] __kmalloc_noprof+0x443/0x760 [ 17.320402][ T82] ? alloc_buf.isra.0+0x4b/0x260 [ 17.320412][ T82] ? do_raw_spin_unlock+0x59/0x250 [ 17.320416][ T82] alloc_buf.isra.0+0x4b/0x260 [ 17.320423][ T82] put_chars+0x1e1/0x2f0 [ 17.320428][ T82] ? __send_to_port+0x420/0x420 [ 17.320431][ T82] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 17.320437][ T82] ? validate_chain+0x38b/0xc20 [ 17.320446][ T82] hvc_console_print+0x292/0x780 [ 17.320457][ T82] ? hvc_write+0x3a0/0x3a0 [ 17.320461][ T82] ? rcu_is_watching+0x16/0xd0 [ 17.320464][ T82] ? lock_acquire+0x13c/0x160 [ 17.320471][ T82] console_emit_next_record+0x22f/0x4c0 [ 17.320477][ T82] ? devkmsg_read+0x4b0/0x4b0 [ 17.320479][ T82] ? console_flush_one_record+0x106/0x710 [ 17.320484][ T82] ? rcu_is_watching+0x16/0xd0 [ 17.320488][ T82] ? lock_acquire+0x13c/0x160 [ 17.320495][ T82] console_flush_one_record+0x46f/0x710 [ 17.320503][ T82] ? console_emit_next_record+0x4c0/0x4c0 [ 17.320505][ T82] ? __lock_acquire+0x518/0xc20 [ 17.320516][ T82] console_unlock+0xee/0x1f0 [ 17.320520][ T82] ? console_flush_one_record+0x710/0x710 [ 17.320522][ T82] ? rcu_is_watching+0x16/0xd0 [ 17.320526][ T82] ? lock_acquire+0x60/0x160 [ 17.320532][ T82] ? __down_trylock_console_sem+0x5e/0xa0 [ 17.320534][ T82] ? vprintk_emit+0x320/0x3e0 [ 17.320539][ T82] vprintk_emit+0x37c/0x3e0 [ 17.320545][ T82] ? wake_up_klogd_work_func+0x90/0x90 [ 17.320551][ T82] ? __lock_acquire+0x518/0xc20 [ 17.320557][ T82] _printk+0xc7/0x100 [ 17.320561][ T82] ? snapshot_read.cold+0x21/0x21 [ 17.320566][ T82] ? do_raw_spin_lock+0x131/0x280 [ 17.320570][ T82] ? __rwlock_init+0x150/0x150 [ 17.320577][ T82] ? do_raw_spin_lock+0x131/0x280 [ 17.320582][ T82] do_exit.cold+0x82/0x9c [ 17.320588][ T82] ? exit_notify+0x890/0x890 [ 17.320591][ T82] ? __lock_release.isra.0+0x69/0x1a0 [ 17.320595][ T82] ? rcu_is_watching+0x16/0xd0 [ 17.320602][ T82] do_group_exit+0xb8/0x370 [ 17.320608][ T82] __x64_sys_exit_group+0x3c/0x50 [ 17.320611][ T82] x64_sys_call+0x1567/0x1570 [ 17.320615][ T82] do_syscall_64+0xff/0x530 [ 17.320619][ T82] ? exc_page_fault+0xee/0x100 [ 17.320624][ T82] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.320627][ T82] RIP: 0033:0x7fee9a6e31b8 [ 17.320631][ T82] Code: Unable to access opcode bytes at 0x7fee9a6e318e. [ 17.320632][ T82] RSP: 002b:00007ffe1b8ae058 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 17.320636][ T82] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fee9a6e31b8 [ 17.320638][ T82] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 17.320640][ T82] RBP: 00007ffe1b8ae1e0 R08: 00005645ef2dc458 R09: 0000000000000000 [ 17.320641][ T82] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 [ 17.320642][ T82] R13: 00007fee99f41050 R14: 00007fee9ac14d9e R15: 00005645ef41f6e0 [ 17.320655][ T82] [ 158.070248][ T110] su (110) used greatest stack depth: 22448 bytes left [ 158.070272][