[ 500.792075][ C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[ 500.792401][ C0] CPU: 0 UID: 0 PID: 2510 Comm: perl Not tainted 6.19.0-rc1-virtme #1 PREEMPT(full)
[ 500.792405][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 500.792407][ C0] Call Trace:
[ 500.792408][ C0]
[ 500.792410][ C0] dump_stack_lvl+0x6f/0xa0
[ 500.792420][ C0] __report_bad_irq+0x66/0x161
[ 500.792425][ C0] note_interrupt.cold+0x21/0xe7
[ 500.792427][ C0] ? serial8250_get_port+0x50/0x50
[ 500.792431][ C0] ? poll_spurious_irqs+0x140/0x140
[ 500.792438][ C0] handle_irq_event+0x166/0x1c0
[ 500.792441][ C0] handle_edge_irq+0x2ec/0x880
[ 500.792445][ C0] __common_interrupt+0xae/0x270
[ 500.792449][ C0] ? __sysvec_apic_timer_interrupt+0x15f/0x3d0
[ 500.792453][ C0] common_interrupt+0xb0/0xf0
[ 500.792458][ C0]
[ 500.792458][ C0]
[ 500.792460][ C0] asm_common_interrupt+0x26/0x40
[ 500.792462][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x36/0x80
[ 500.792466][ C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 51 87 df fd 48 89 df e8 b9 d8 df fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 f0 2e d3 fd 65 8b 05 c9 f1 05 02 85 c0 74 12 5b
[ 500.792468][ C0] RSP: 0018:ffa000000304fa70 EFLAGS: 00000246
[ 500.792471][ C0] RAX: 0000000000000082 RBX: ffffffffa578b520 RCX: ffffffffa26eae73
[ 500.792473][ C0] RDX: ff1100000d794540 RSI: ffffffffa2fb3844 RDI: ffffffffa2a6ad00
[ 500.792474][ C0] RBP: 0000000000000282 R08: 0000000000000000 R09: 0000000000000001
[ 500.792475][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffffa578b628
[ 500.792475][ C0] R13: 0000000000000001 R14: ffffffffa578b660 R15: ff110000057c9c00
[ 500.792479][ C0] ? _raw_spin_unlock_irqrestore+0x53/0x80
[ 500.792484][ C0] uart_write+0x21d/0x940
[ 500.792489][ C0] process_output_block+0x117/0x6e0
[ 500.792494][ C0] n_tty_write+0x3a8/0x8f0
[ 500.792496][ C0] ? _copy_from_iter+0x1b6/0x1580
[ 500.792502][ C0] ? n_tty_receive_signal_char+0x110/0x110
[ 500.792504][ C0] ? _mutex_trylock_nest_lock+0x21a/0x340
[ 500.792506][ C0] ? __init_waitqueue_head+0x160/0x160
[ 500.792510][ C0] ? lock_acquire.part.0+0xbc/0x260
[ 500.792513][ C0] ? tty_ldisc_ref_wait+0x28/0x80
[ 500.792518][ C0] iterate_tty_write+0x27d/0x550
[ 500.792521][ C0] ? tty_ldisc_ref_wait+0x28/0x80
[ 500.792524][ C0] file_tty_write.isra.0+0x1a2/0x240
[ 500.792527][ C0] ? redirected_tty_write+0xd0/0xd0
[ 500.792529][ C0] new_sync_write+0x308/0x6f0
[ 500.792532][ C0] ? new_sync_read+0x3bb/0x6f0
[ 500.792535][ C0] ? new_sync_read+0x6f0/0x6f0
[ 500.792537][ C0] ? generic_atomic_write_valid+0x150/0x150
[ 500.792545][ C0] vfs_write+0x65e/0xbb0
[ 500.792548][ C0] ? vfs_read+0x3cc/0x790
[ 500.792551][ C0] ksys_write+0xff/0x200
[ 500.792554][ C0] ? __ia32_sys_read+0xc0/0xc0
[ 500.792557][ C0] ? do_syscall_64+0x88/0xfc0
[ 500.792559][ C0] ? rcu_is_watching+0x15/0xd0
[ 500.792563][ C0] do_syscall_64+0xbd/0xfc0
[ 500.792565][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 500.792567][ C0] RIP: 0033:0x7f90e58dcc5e
[ 500.792571][ 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
[ 500.792572][ C0] RSP: 002b:00007ffc1e6047f0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 500.792574][ C0] RAX: ffffffffffffffda RBX: 00005632456d63e0 RCX: 00007f90e58dcc5e
[ 500.792574][ C0] RDX: 0000000000000001 RSI: 00005632456d63e0 RDI: 0000000000000001
[ 500.792575][ C0] RBP: 00007ffc1e604800 R08: 0000000000000000 R09: 0000000000000000
[ 500.792576][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[ 500.792576][ C0] R13: 0000563245697010 R14: 0000000000000001 R15: 00005632456d63e0
[ 500.792582][ C0]
[ 500.792583][ C0] handlers:
[ 500.801976][ C0] [] serial8250_interrupt
[ 500.802246][ C0] Disabling IRQ #51