[ 271.725639][ T4644] Mirror/redirect action on [ 365.430349][ C0] irq 51: nobody cared (try booting with the "irqpoll" option) [ 365.430713][ C0] CPU: 0 UID: 0 PID: 4345 Comm: perl Not tainted 6.19.0-rc5-virtme #1 PREEMPT(full) [ 365.430717][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 365.430718][ C0] Call Trace: [ 365.430720][ C0] [ 365.430721][ C0] dump_stack_lvl+0x6f/0xa0 [ 365.430731][ C0] __report_bad_irq+0x66/0x161 [ 365.430735][ C0] note_interrupt.cold+0x21/0xe7 [ 365.430737][ C0] ? serial8250_get_port+0x50/0x50 [ 365.430742][ C0] ? poll_spurious_irqs+0x140/0x140 [ 365.430748][ C0] handle_irq_event+0x166/0x1c0 [ 365.430751][ C0] handle_edge_irq+0x2ec/0x880 [ 365.430755][ C0] __common_interrupt+0xae/0x270 [ 365.430759][ C0] ? __sysvec_apic_timer_interrupt+0x15f/0x3d0 [ 365.430761][ C0] common_interrupt+0xb0/0xf0 [ 365.430766][ C0] [ 365.430767][ C0] [ 365.430768][ C0] asm_common_interrupt+0x26/0x40 [ 365.430770][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x36/0x80 [ 365.430774][ C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 51 88 de fd 48 89 df e8 b9 d9 de fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 b0 2f d2 fd 65 8b 05 c9 41 05 02 85 c0 74 12 5b [ 365.430775][ C0] RSP: 0018:ffa0000009f9fa70 EFLAGS: 00000246 [ 365.430779][ C0] RAX: 0000000000000082 RBX: ffffffff8bb90520 RCX: ffffffff88afae73 [ 365.430780][ C0] RDX: ff11000004c6a2c0 RSI: ffffffff893b56aa RDI: ffffffff88e6b180 [ 365.430781][ C0] RBP: 0000000000000282 R08: 0000000000000000 R09: 0000000000000001 [ 365.430782][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff8bb90628 [ 365.430783][ C0] R13: 0000000000000001 R14: ffffffff8bb90660 R15: ff11000009257000 [ 365.430786][ C0] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 365.430791][ C0] uart_write+0x21d/0x940 [ 365.430795][ C0] process_output_block+0x117/0x6e0 [ 365.430801][ C0] n_tty_write+0x3a8/0x8f0 [ 365.430803][ C0] ? _copy_from_iter+0x1b6/0x1580 [ 365.430809][ C0] ? n_tty_receive_signal_char+0x110/0x110 [ 365.430811][ C0] ? _mutex_trylock_nest_lock+0x21a/0x340 [ 365.430814][ C0] ? __init_waitqueue_head+0x160/0x160 [ 365.430817][ C0] ? lock_acquire.part.0+0xbc/0x260 [ 365.430820][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 365.430825][ C0] iterate_tty_write+0x27d/0x550 [ 365.430828][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 365.430831][ C0] file_tty_write.isra.0+0x1a2/0x240 [ 365.430834][ C0] ? redirected_tty_write+0xd0/0xd0 [ 365.430836][ C0] new_sync_write+0x308/0x6f0 [ 365.430839][ C0] ? new_sync_read+0x3bb/0x6f0 [ 365.430842][ C0] ? new_sync_read+0x6f0/0x6f0 [ 365.430844][ C0] ? generic_atomic_write_valid+0x150/0x150 [ 365.430848][ C0] ? __lock_release.isra.0+0x59/0x170 [ 365.430853][ C0] vfs_write+0x65e/0xbb0 [ 365.430855][ C0] ? vfs_read+0x3cc/0x790 [ 365.430859][ C0] ksys_write+0xff/0x200 [ 365.430862][ C0] ? __ia32_sys_read+0xc0/0xc0 [ 365.430866][ C0] ? rcu_is_watching+0x15/0xd0 [ 365.430869][ C0] do_syscall_64+0xbd/0xfc0 [ 365.430872][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 365.430874][ C0] RIP: 0033:0x7f866b57ec5e [ 365.430877][ C0] Code: 4d 89 d8 e8 14 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 13 ff ff ff 0f 1f 00 f3 0f 1e fa [ 365.430878][ C0] RSP: 002b:00007fff8f8663b0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 365.430879][ C0] RAX: ffffffffffffffda RBX: 00005602a35cc380 RCX: 00007f866b57ec5e [ 365.430880][ C0] RDX: 0000000000000001 RSI: 00005602a35cc380 RDI: 0000000000000001 [ 365.430881][ C0] RBP: 00007fff8f8663c0 R08: 0000000000000000 R09: 0000000000000000 [ 365.430882][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001 [ 365.430882][ C0] R13: 00005602a358d010 R14: 0000000000000001 R15: 00005602a35cc380 [ 365.430888][ C0] [ 365.430889][ C0] handlers: [ 365.439802][ C0] [] serial8250_interrupt [ 365.440056][ C0] Disabling IRQ #51