[ 75.439384][ T176] modprobe (176) used greatest stack depth: 24288 bytes left [ 75.439401][ T176] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 75.439403][ T176] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 176, name: modprobe [ 75.439405][ T176] preempt_count: 2, expected: 0 [ 75.439406][ T176] RCU nest depth: 0, expected: 0 [ 75.439407][ T176] locks held by modprobe/176: 5, last CPU#0: [ 75.439409][ T176] #0: ffffffff8fc127b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 75.439420][ T176] #1: ffffffff8fd79cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 75.439426][ T176] #2: ffffffff8fd79d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 75.439430][ T176] #3: ffffffff8fc99660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 75.439433][ T176] #4: ffffffff8fc99560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 75.439437][ T176] irq event stamp: 24376 [ 75.439438][ T176] hardirqs last enabled at (24375): [] __down_trylock_console_sem+0x86/0xa0 [ 75.439440][ T176] hardirqs last disabled at (24376): [] console_emit_next_record+0x3d4/0x4c0 [ 75.439442][ T176] softirqs last enabled at (22918): [] handle_softirqs+0x67c/0x900 [ 75.439445][ T176] softirqs last disabled at (21851): [] __irq_exit_rcu+0x145/0x1c0 [ 75.439447][ T176] Preemption disabled at: [ 75.439448][ T176] [<0000000000000000>] 0x0 [ 75.439455][ T176] CPU: 0 UID: 0 PID: 176 Comm: modprobe Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 75.439458][ T176] Tainted: [W]=WARN [ 75.439459][ T176] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 75.439461][ T176] Call Trace: [ 75.439462][ T176] [ 75.439464][ T176] dump_stack_lvl+0x6f/0xa0 [ 75.439470][ T176] __might_resched.cold+0x1fe/0x2c1 [ 75.439474][ T176] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 75.439478][ T176] ? __kmalloc_noprof+0xdb/0x760 [ 75.439483][ T176] __kmalloc_noprof+0x443/0x760 [ 75.439485][ T176] ? alloc_buf.isra.0+0x4b/0x260 [ 75.439491][ T176] ? do_raw_spin_unlock+0x59/0x250 [ 75.439494][ T176] alloc_buf.isra.0+0x4b/0x260 [ 75.439498][ T176] put_chars+0x1e1/0x2f0 [ 75.439501][ T176] ? __send_to_port+0x420/0x420 [ 75.439502][ T176] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 75.439507][ T176] ? validate_chain+0x38b/0xc20 [ 75.439512][ T176] hvc_console_print+0x292/0x780 [ 75.439519][ T176] ? hvc_write+0x3a0/0x3a0 [ 75.439521][ T176] ? rcu_is_watching+0x16/0xd0 [ 75.439524][ T176] ? lock_acquire+0x13c/0x160 [ 75.439528][ T176] console_emit_next_record+0x22f/0x4c0 [ 75.439532][ T176] ? devkmsg_read+0x4b0/0x4b0 [ 75.439534][ T176] ? console_flush_one_record+0x106/0x710 [ 75.439537][ T176] ? rcu_is_watching+0x16/0xd0 [ 75.439539][ T176] ? lock_acquire+0x13c/0x160 [ 75.439543][ T176] console_flush_one_record+0x46f/0x710 [ 75.439547][ T176] ? console_emit_next_record+0x4c0/0x4c0 [ 75.439549][ T176] ? __lock_acquire+0x518/0xc20 [ 75.439554][ T176] console_unlock+0xee/0x1f0 [ 75.439557][ T176] ? console_flush_one_record+0x710/0x710 [ 75.439559][ T176] ? rcu_is_watching+0x16/0xd0 [ 75.439561][ T176] ? lock_acquire+0x60/0x160 [ 75.439564][ T176] ? __down_trylock_console_sem+0x5e/0xa0 [ 75.439566][ T176] ? vprintk_emit+0x320/0x3e0 [ 75.439569][ T176] vprintk_emit+0x37c/0x3e0 [ 75.439573][ T176] ? wake_up_klogd_work_func+0x90/0x90 [ 75.439577][ T176] ? __lock_acquire+0x518/0xc20 [ 75.439580][ T176] _printk+0xc7/0x100 [ 75.439584][ T176] ? snapshot_read.cold+0x21/0x21 [ 75.439586][ T176] ? do_raw_spin_lock+0x131/0x280 [ 75.439589][ T176] ? __rwlock_init+0x150/0x150 [ 75.439593][ T176] ? do_raw_spin_lock+0x131/0x280 [ 75.439595][ T176] do_exit.cold+0x82/0x9c [ 75.439599][ T176] ? exit_notify+0x890/0x890 [ 75.439600][ T176] ? __lock_release.isra.0+0x69/0x1a0 [ 75.439603][ T176] ? rcu_is_watching+0x16/0xd0 [ 75.439607][ T176] do_group_exit+0xb8/0x370 [ 75.439610][ T176] __x64_sys_exit_group+0x3c/0x50 [ 75.439612][ T176] x64_sys_call+0x1567/0x1570 [ 75.439614][ T176] do_syscall_64+0xff/0x530 [ 75.439618][ T176] ? exc_page_fault+0xee/0x100 [ 75.439621][ T176] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 75.439623][ T176] RIP: 0033:0x7f240ac111b8 [ 75.439625][ T176] Code: Unable to access opcode bytes at 0x7f240ac1118e. [ 75.439626][ T176] RSP: 002b:00007fff3adc9ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 75.439629][ T176] RAX: ffffffffffffffda RBX: 00007f240ad41f88 RCX: 00007f240ac111b8 [ 75.439630][ T176] RDX: 00007f240ab4ca88 RSI: ffffffffffffffa8 RDI: 0000000000000001 [ 75.439631][ T176] RBP: 00007fff3adc9d40 R08: 0000000000000000 R09: 00000000000000a0 [ 75.439632][ T176] R10: 00007fff3adc9b40 R11: 0000000000000246 R12: 0000000000000001 [ 75.439633][ T176] R13: 0000000000000001 R14: 00007f240ad40680 R15: 00007f240ad41fa0 [ 75.439639][ T176] [ 75.494010][ T111] su (111) used greatest stack depth: 24104 bytes left