[ 452.667862][ C0] irq 51: nobody cared (try booting with the "irqpoll" option) [ 452.668223][ C0] CPU: 0 UID: 0 PID: 1611 Comm: perl Not tainted 6.19.0-rc3-virtme #1 PREEMPT(full) [ 452.668227][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 452.668228][ C0] Call Trace: [ 452.668230][ C0] [ 452.668231][ C0] dump_stack_lvl+0x6f/0xa0 [ 452.668242][ C0] __report_bad_irq+0x66/0x161 [ 452.668246][ C0] note_interrupt.cold+0x21/0xe7 [ 452.668248][ C0] ? serial8250_get_port+0x50/0x50 [ 452.668252][ C0] ? poll_spurious_irqs+0x140/0x140 [ 452.668263][ C0] handle_irq_event+0x166/0x1c0 [ 452.668266][ C0] handle_edge_irq+0x2ec/0x880 [ 452.668271][ C0] __common_interrupt+0xae/0x270 [ 452.668275][ C0] ? __sysvec_apic_timer_interrupt+0x15f/0x3d0 [ 452.668279][ C0] common_interrupt+0xb0/0xf0 [ 452.668283][ C0] [ 452.668284][ C0] [ 452.668285][ C0] asm_common_interrupt+0x26/0x40 [ 452.668288][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x36/0x80 [ 452.668292][ C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 91 87 df fd 48 89 df e8 f9 d8 df fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 30 2f d3 fd 65 8b 05 c9 11 06 02 85 c0 74 12 5b [ 452.668293][ C0] RSP: 0018:ffa0000001497a70 EFLAGS: 00000246 [ 452.668297][ C0] RAX: 0000000000000082 RBX: ffffffffadf8d4e0 RCX: ffffffffaaeeae73 [ 452.668298][ C0] RDX: ff1100000eb64540 RSI: ffffffffab7b3a69 RDI: ffffffffab26ae00 [ 452.668299][ C0] RBP: 0000000000000282 R08: 0000000000000000 R09: 0000000000000001 [ 452.668300][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffffadf8d5e8 [ 452.668300][ C0] R13: 0000000000000001 R14: ffffffffadf8d620 R15: ff11000009641c00 [ 452.668304][ C0] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 452.668309][ C0] uart_write+0x21d/0x940 [ 452.668314][ C0] process_output_block+0x117/0x6e0 [ 452.668319][ C0] n_tty_write+0x3a8/0x8f0 [ 452.668321][ C0] ? _copy_from_iter+0x1b6/0x1580 [ 452.668327][ C0] ? n_tty_receive_signal_char+0x110/0x110 [ 452.668329][ C0] ? _mutex_trylock_nest_lock+0x21a/0x340 [ 452.668332][ C0] ? __init_waitqueue_head+0x160/0x160 [ 452.668336][ C0] ? lock_acquire.part.0+0xbc/0x260 [ 452.668339][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 452.668343][ C0] iterate_tty_write+0x27d/0x550 [ 452.668347][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 452.668350][ C0] file_tty_write.isra.0+0x1a2/0x240 [ 452.668353][ C0] ? redirected_tty_write+0xd0/0xd0 [ 452.668355][ C0] new_sync_write+0x308/0x6f0 [ 452.668358][ C0] ? new_sync_read+0x3bb/0x6f0 [ 452.668361][ C0] ? new_sync_read+0x6f0/0x6f0 [ 452.668363][ C0] ? generic_atomic_write_valid+0x150/0x150 [ 452.668367][ C0] ? __lock_release.isra.0+0x59/0x170 [ 452.668372][ C0] vfs_write+0x65e/0xbb0 [ 452.668375][ C0] ? vfs_read+0x3cc/0x790 [ 452.668379][ C0] ksys_write+0xff/0x200 [ 452.668382][ C0] ? __ia32_sys_read+0xc0/0xc0 [ 452.668385][ C0] ? rcu_is_watching+0x15/0xd0 [ 452.668389][ C0] do_syscall_64+0xbd/0xfc0 [ 452.668392][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 452.668393][ C0] RIP: 0033:0x7f9c3798ac5e [ 452.668397][ 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 [ 452.668398][ C0] RSP: 002b:00007fffd34cdc50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 452.668400][ C0] RAX: ffffffffffffffda RBX: 000055a98450e3e0 RCX: 00007f9c3798ac5e [ 452.668401][ C0] RDX: 0000000000000001 RSI: 000055a98450e3e0 RDI: 0000000000000001 [ 452.668401][ C0] RBP: 00007fffd34cdc60 R08: 0000000000000000 R09: 0000000000000000 [ 452.668402][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001 [ 452.668402][ C0] R13: 000055a9844cf010 R14: 0000000000000001 R15: 000055a98450e3e0 [ 452.668409][ C0] [ 452.668410][ C0] handlers: [ 452.677776][ C0] [] serial8250_interrupt [ 452.678343][ C0] Disabling IRQ #51