[ 295.169886][ T4582] Mirror/redirect action on [ 316.498477][ C0] irq 51: nobody cared (try booting with the "irqpoll" option) [ 316.498807][ C0] CPU: 0 UID: 0 PID: 4350 Comm: perl Not tainted 6.19.0-rc6-virtme #1 PREEMPT(full) [ 316.498812][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 316.498813][ C0] Call Trace: [ 316.498815][ C0] [ 316.498817][ C0] dump_stack_lvl+0x6f/0xa0 [ 316.498826][ C0] __report_bad_irq+0x66/0x161 [ 316.498831][ C0] note_interrupt.cold+0x21/0xe7 [ 316.498833][ C0] ? serial8250_get_port+0x50/0x50 [ 316.498837][ C0] ? poll_spurious_irqs+0x140/0x140 [ 316.498843][ C0] handle_irq_event+0x166/0x1c0 [ 316.498846][ C0] handle_edge_irq+0x2ec/0x880 [ 316.498851][ C0] __common_interrupt+0xae/0x270 [ 316.498855][ C0] ? __sysvec_apic_timer_interrupt+0x15f/0x3d0 [ 316.498858][ C0] common_interrupt+0xb0/0xf0 [ 316.498862][ C0] [ 316.498862][ C0] [ 316.498864][ C0] asm_common_interrupt+0x26/0x40 [ 316.498866][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x36/0x80 [ 316.498870][ C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 f1 d8 de fd 48 89 df e8 59 2a df fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 f0 61 d2 fd 65 8b 05 29 64 05 02 85 c0 74 12 5b [ 316.498872][ C0] RSP: 0018:ffa0000009b0fa70 EFLAGS: 00000246 [ 316.498875][ C0] RAX: 0000000000000082 RBX: ffffffffa2590520 RCX: ffffffff9f4f8c13 [ 316.498877][ C0] RDX: ff1100000c374540 RSI: ffffffff9fdb55c3 RDI: ffffffff9f86b280 [ 316.498878][ C0] RBP: 0000000000000282 R08: 0000000000000000 R09: 0000000000000001 [ 316.498879][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffffa2590628 [ 316.498879][ C0] R13: 0000000000000001 R14: ffffffffa2590660 R15: ff1100000217b400 [ 316.498883][ C0] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 316.498887][ C0] uart_write+0x21d/0x940 [ 316.498892][ C0] process_output_block+0x117/0x6e0 [ 316.498897][ C0] n_tty_write+0x3a8/0x8f0 [ 316.498899][ C0] ? _copy_from_iter+0x1b6/0x1580 [ 316.498904][ C0] ? n_tty_receive_signal_char+0x110/0x110 [ 316.498906][ C0] ? _mutex_trylock_nest_lock+0x21a/0x340 [ 316.498909][ C0] ? __init_waitqueue_head+0x160/0x160 [ 316.498913][ C0] ? lock_acquire.part.0+0xbc/0x260 [ 316.498916][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 316.498920][ C0] iterate_tty_write+0x27d/0x550 [ 316.498923][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 316.498926][ C0] file_tty_write.isra.0+0x1a2/0x240 [ 316.498928][ C0] ? redirected_tty_write+0xd0/0xd0 [ 316.498930][ C0] new_sync_write+0x308/0x6f0 [ 316.498934][ C0] ? new_sync_read+0x3bb/0x6f0 [ 316.498937][ C0] ? new_sync_read+0x6f0/0x6f0 [ 316.498939][ C0] ? generic_atomic_write_valid+0x150/0x150 [ 316.498943][ C0] ? __lock_release.isra.0+0x59/0x170 [ 316.498948][ C0] vfs_write+0x65e/0xbb0 [ 316.498951][ C0] ? vfs_read+0x3cc/0x790 [ 316.498955][ C0] ksys_write+0xff/0x200 [ 316.498958][ C0] ? __ia32_sys_read+0xc0/0xc0 [ 316.498961][ C0] ? rcu_is_watching+0x15/0xd0 [ 316.498964][ C0] do_syscall_64+0xbd/0xfc0 [ 316.498967][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 316.498969][ C0] RIP: 0033:0x7fb4c7f49c5e [ 316.498972][ C0] Code: 4d 89 d8 e8 34 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 [ 316.498973][ C0] RSP: 002b:00007ffdcbb76510 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 316.498975][ C0] RAX: ffffffffffffffda RBX: 000056296a60c4a0 RCX: 00007fb4c7f49c5e [ 316.498976][ C0] RDX: 0000000000000001 RSI: 000056296a60c4a0 RDI: 0000000000000001 [ 316.498977][ C0] RBP: 00007ffdcbb76520 R08: 0000000000000000 R09: 0000000000000000 [ 316.498977][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001 [ 316.498978][ C0] R13: 000056296a5cd010 R14: 0000000000000001 R15: 000056296a60c4a0 [ 316.498984][ C0] [ 316.498985][ C0] handlers: [ 316.508311][ C0] [] serial8250_interrupt [ 316.508580][ C0] Disabling IRQ #51