[ 531.815417][ C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[ 531.815818][ C0] CPU: 0 UID: 0 PID: 4429 Comm: perl Not tainted 6.19.0-rc8-virtme #1 PREEMPT(full)
[ 531.815822][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 531.815823][ C0] Call Trace:
[ 531.815825][ C0]
[ 531.815826][ C0] dump_stack_lvl+0x6f/0xa0
[ 531.815837][ C0] __report_bad_irq+0x66/0x161
[ 531.815842][ C0] note_interrupt.cold+0x21/0xe7
[ 531.815844][ C0] ? serial8250_get_port+0x50/0x50
[ 531.815848][ C0] ? poll_spurious_irqs+0x140/0x140
[ 531.815854][ C0] handle_irq_event+0x166/0x1c0
[ 531.815857][ C0] handle_edge_irq+0x2ec/0x880
[ 531.815862][ C0] __common_interrupt+0xae/0x270
[ 531.815866][ C0] ? __sysvec_apic_timer_interrupt+0x15f/0x3d0
[ 531.815869][ C0] common_interrupt+0xb0/0xf0
[ 531.815874][ C0]
[ 531.815874][ C0]
[ 531.815876][ C0] asm_common_interrupt+0x26/0x40
[ 531.815878][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x36/0x80
[ 531.815882][ C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 b1 03 df fd 48 89 df e8 19 55 df fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 f0 91 d2 fd 65 8b 05 29 94 05 02 85 c0 74 12 5b
[ 531.815884][ C0] RSP: 0018:ffa00000016a7a70 EFLAGS: 00000246
[ 531.815887][ C0] RAX: 0000000000000082 RBX: ffffffff8d590520 RCX: ffffffff8a4f5c13
[ 531.815889][ C0] RDX: ff1100000f97a2c0 RSI: ffffffff8adb5ab7 RDI: ffffffff8a86b380
[ 531.815890][ C0] RBP: 0000000000000282 R08: 0000000000000000 R09: 0000000000000001
[ 531.815891][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff8d590628
[ 531.815891][ C0] R13: 0000000000000001 R14: ffffffff8d590660 R15: ff11000005239000
[ 531.815895][ C0] ? _raw_spin_unlock_irqrestore+0x53/0x80
[ 531.815900][ C0] uart_write+0x21d/0x940
[ 531.815904][ C0] process_output_block+0x117/0x6e0
[ 531.815910][ C0] n_tty_write+0x3a8/0x8f0
[ 531.815911][ C0] ? _copy_from_iter+0x1b6/0x1580
[ 531.815917][ C0] ? n_tty_receive_signal_char+0x110/0x110
[ 531.815919][ C0] ? _mutex_trylock_nest_lock+0x21a/0x340
[ 531.815922][ C0] ? __init_waitqueue_head+0x160/0x160
[ 531.815926][ C0] ? lock_acquire.part.0+0xbc/0x260
[ 531.815929][ C0] ? tty_ldisc_ref_wait+0x28/0x80
[ 531.815933][ C0] iterate_tty_write+0x27d/0x550
[ 531.815936][ C0] ? tty_ldisc_ref_wait+0x28/0x80
[ 531.815940][ C0] file_tty_write.isra.0+0x1a2/0x240
[ 531.815942][ C0] ? redirected_tty_write+0xd0/0xd0
[ 531.815944][ C0] new_sync_write+0x308/0x6f0
[ 531.815948][ C0] ? new_sync_read+0x3bb/0x6f0
[ 531.815951][ C0] ? new_sync_read+0x6f0/0x6f0
[ 531.815953][ C0] ? generic_atomic_write_valid+0x150/0x150
[ 531.815956][ C0] ? __lock_release.isra.0+0x59/0x170
[ 531.815962][ C0] vfs_write+0x65e/0xbb0
[ 531.815964][ C0] ? vfs_read+0x3cc/0x790
[ 531.815968][ C0] ksys_write+0xff/0x200
[ 531.815971][ C0] ? __ia32_sys_read+0xc0/0xc0
[ 531.815974][ C0] ? rcu_is_watching+0x15/0xd0
[ 531.815978][ C0] do_syscall_64+0xbd/0xfc0
[ 531.815981][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 531.815983][ C0] RIP: 0033:0x7fd5509f6c5e
[ 531.815986][ 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
[ 531.815988][ C0] RSP: 002b:00007fff22caadb0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 531.815989][ C0] RAX: ffffffffffffffda RBX: 000055d7b24d23a0 RCX: 00007fd5509f6c5e
[ 531.815990][ C0] RDX: 0000000000000001 RSI: 000055d7b24d23a0 RDI: 0000000000000001
[ 531.815991][ C0] RBP: 00007fff22caadc0 R08: 0000000000000000 R09: 0000000000000000
[ 531.815992][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[ 531.815993][ C0] R13: 000055d7b2493010 R14: 0000000000000001 R15: 000055d7b24d23a0
[ 531.816005][ C0]
[ 531.816006][ C0] handlers:
[ 531.825800][ C0] [] serial8250_interrupt
[ 531.826068][ C0] Disabling IRQ #51