[ 59.934939][ T88] (udev-worker) (88) used greatest stack depth: 22696 bytes left [ 59.934961][ T88] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 59.934964][ T88] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 88, name: (udev-worker) [ 59.934966][ T88] preempt_count: 2, expected: 0 [ 59.934967][ T88] RCU nest depth: 0, expected: 0 [ 59.934968][ T88] locks held by (udev-worker)/88: 5, last CPU#2: [ 59.934970][ T88] #0: ffffffffa08027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 59.934984][ T88] #1: ffffffffa0999cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 59.934990][ T88] #2: ffffffffa0999d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 59.934994][ T88] #3: ffffffffa0889660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 59.934997][ T88] #4: ffffffffa0889560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 59.935001][ T88] irq event stamp: 6677198 [ 59.935002][ T88] hardirqs last enabled at (6677197): [] __down_trylock_console_sem+0x86/0xa0 [ 59.935005][ T88] hardirqs last disabled at (6677198): [] console_emit_next_record+0x3f8/0x4f0 [ 59.935007][ T88] softirqs last enabled at (6677134): [] netlink_release+0x17b/0xcf0 [ 59.935011][ T88] softirqs last disabled at (6677132): [] netlink_release+0xd2/0xcf0 [ 59.935014][ T88] Preemption disabled at: [ 59.935015][ T88] [<0000000000000000>] 0x0 [ 59.935022][ T88] CPU: 2 UID: 0 PID: 88 Comm: (udev-worker) Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 59.935025][ T88] Tainted: [W]=WARN [ 59.935026][ T88] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 59.935029][ T88] Call Trace: [ 59.935030][ T88] [ 59.935032][ T88] dump_stack_lvl+0x6f/0xa0 [ 59.935038][ T88] __might_resched.cold+0x1fe/0x2c1 [ 59.935043][ T88] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 59.935047][ T88] ? __kmalloc_noprof+0xdb/0x760 [ 59.935051][ T88] __kmalloc_noprof+0x443/0x760 [ 59.935054][ T88] ? alloc_buf.isra.0+0x4b/0x260 [ 59.935059][ T88] ? do_raw_spin_unlock+0x59/0x250 [ 59.935061][ T88] alloc_buf.isra.0+0x4b/0x260 [ 59.935065][ T88] put_chars+0x1e1/0x2f0 [ 59.935068][ T88] ? __send_to_port+0x420/0x420 [ 59.935069][ T88] ? printk_get_next_message+0x2fe/0x7d0 [ 59.935072][ T88] ? rcu_read_lock_any_held+0x3c/0x90 [ 59.935075][ T88] ? validate_chain+0x38b/0xc20 [ 59.935080][ T88] hvc_console_print+0x292/0x780 [ 59.935082][ T88] ? __lock_acquire+0x518/0xc20 [ 59.935084][ T88] ? __lock_acquire+0x518/0xc20 [ 59.935088][ T88] ? hvc_write+0x3a0/0x3a0 [ 59.935091][ T88] ? rcu_is_watching+0x16/0xd0 [ 59.935094][ T88] ? lock_acquire+0x13c/0x160 [ 59.935098][ T88] console_emit_next_record+0x252/0x4f0 [ 59.935102][ T88] ? devkmsg_read+0x4e0/0x4e0 [ 59.935106][ T88] ? rcu_is_watching+0x16/0xd0 [ 59.935108][ T88] ? lock_acquire+0x13c/0x160 [ 59.935112][ T88] console_flush_one_record+0x46f/0x710 [ 59.935119][ T88] ? console_emit_next_record+0x4f0/0x4f0 [ 59.935121][ T88] ? __lock_acquire+0x518/0xc20 [ 59.935130][ T88] console_unlock+0xee/0x1f0 [ 59.935133][ T88] ? console_flush_one_record+0x710/0x710 [ 59.935135][ T88] ? rcu_is_watching+0x16/0xd0 [ 59.935137][ T88] ? lock_acquire+0x60/0x160 [ 59.935141][ T88] ? __down_trylock_console_sem+0x5e/0xa0 [ 59.935143][ T88] ? vprintk_emit+0x320/0x3e0 [ 59.935149][ T88] vprintk_emit+0x37c/0x3e0 [ 59.935157][ T88] ? wake_up_klogd_work_func+0x90/0x90 [ 59.935161][ T88] ? __lock_acquire+0x518/0xc20 [ 59.935164][ T88] _printk+0xc7/0x100 [ 59.935168][ T88] ? snapshot_read.cold+0x21/0x21 [ 59.935171][ T88] ? do_raw_spin_lock+0x131/0x280 [ 59.935173][ T88] ? __rwlock_init+0x150/0x150 [ 59.935177][ T88] ? do_raw_spin_lock+0x131/0x280 [ 59.935180][ T88] do_exit.cold+0x82/0x9c [ 59.935183][ T88] ? exit_notify+0x890/0x890 [ 59.935185][ T88] ? __lock_release.isra.0+0x69/0x1a0 [ 59.935188][ T88] ? rcu_is_watching+0x16/0xd0 [ 59.935192][ T88] do_group_exit+0xb8/0x370 [ 59.935195][ T88] __x64_sys_exit_group+0x3c/0x50 [ 59.935198][ T88] x64_sys_call+0x1567/0x1570 [ 59.935200][ T88] do_syscall_64+0xff/0x530 [ 59.935203][ T88] ? exc_page_fault+0xee/0x100 [ 59.935207][ T88] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 59.935209][ T88] RIP: 0033:0x7fdc825a01b8 [ 59.935212][ T88] Code: Unable to access opcode bytes at 0x7fdc825a018e. [ 59.935214][ T88] RSP: 002b:00007ffcb8cc6358 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 59.935216][ T88] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdc825a01b8 [ 59.935218][ T88] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 59.935219][ T88] RBP: 00007ffcb8cc64e0 R08: 0000561f7286d858 R09: 0000000000000000 [ 59.935220][ T88] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 [ 59.935220][ T88] R13: 00007fdc81dfe050 R14: 00007fdc82ad1d9e R15: 0000561f72722340 [ 59.935233][ T88]