[ 901.740814][ C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[ 901.741160][ C0] CPU: 0 UID: 0 PID: 8550 Comm: perl Not tainted 6.19.0-rc3-virtme #1 PREEMPT(full)
[ 901.741164][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 901.741166][ C0] Call Trace:
[ 901.741168][ C0]
[ 901.741169][ C0] dump_stack_lvl+0x6f/0xa0
[ 901.741178][ C0] __report_bad_irq+0x66/0x161
[ 901.741183][ C0] note_interrupt.cold+0x21/0xe7
[ 901.741185][ C0] ? serial8250_get_port+0x50/0x50
[ 901.741189][ C0] ? poll_spurious_irqs+0x140/0x140
[ 901.741195][ C0] handle_irq_event+0x166/0x1c0
[ 901.741198][ C0] handle_edge_irq+0x2ec/0x880
[ 901.741203][ C0] __common_interrupt+0xae/0x270
[ 901.741206][ C0] ? __sysvec_apic_timer_interrupt+0x15f/0x3d0
[ 901.741210][ C0] common_interrupt+0xb0/0xf0
[ 901.741215][ C0]
[ 901.741215][ C0]
[ 901.741217][ C0] asm_common_interrupt+0x26/0x40
[ 901.741219][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x36/0x80
[ 901.741223][ C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 91 37 df fd 48 89 df e8 f9 88 df fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 30 df d2 fd 65 8b 05 c9 c1 05 02 85 c0 74 12 5b
[ 901.741225][ C0] RSP: 0018:ffa0000001de7a70 EFLAGS: 00000246
[ 901.741228][ C0] RAX: 0000000000000082 RBX: ffffffff9058d4e0 RCX: ffffffff8d4efe73
[ 901.741229][ C0] RDX: ff110000133f8040 RSI: ffffffff8ddb3cd6 RDI: ffffffff8d86ae00
[ 901.741234][ C0] RBP: 0000000000000282 R08: 0000000000000000 R09: 0000000000000001
[ 901.741235][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff9058d5e8
[ 901.741236][ C0] R13: 0000000000000001 R14: ffffffff9058d620 R15: ff1100000965e400
[ 901.741239][ C0] ? _raw_spin_unlock_irqrestore+0x53/0x80
[ 901.741244][ C0] uart_write+0x21d/0x940
[ 901.741248][ C0] process_output_block+0x117/0x6e0
[ 901.741253][ C0] n_tty_write+0x3a8/0x8f0
[ 901.741255][ C0] ? _copy_from_iter+0x1b6/0x1580
[ 901.741260][ C0] ? n_tty_receive_signal_char+0x110/0x110
[ 901.741262][ C0] ? _mutex_trylock_nest_lock+0x21a/0x340
[ 901.741265][ C0] ? __init_waitqueue_head+0x160/0x160
[ 901.741268][ C0] ? lock_acquire.part.0+0xbc/0x260
[ 901.741271][ C0] ? tty_ldisc_ref_wait+0x28/0x80
[ 901.741275][ C0] iterate_tty_write+0x27d/0x550
[ 901.741278][ C0] ? tty_ldisc_ref_wait+0x28/0x80
[ 901.741281][ C0] file_tty_write.isra.0+0x1a2/0x240
[ 901.741284][ C0] ? redirected_tty_write+0xd0/0xd0
[ 901.741285][ C0] new_sync_write+0x308/0x6f0
[ 901.741289][ C0] ? new_sync_read+0x3bb/0x6f0
[ 901.741292][ C0] ? new_sync_read+0x6f0/0x6f0
[ 901.741293][ C0] ? generic_atomic_write_valid+0x150/0x150
[ 901.741297][ C0] ? __lock_release.isra.0+0x59/0x170
[ 901.741302][ C0] vfs_write+0x65e/0xbb0
[ 901.741305][ C0] ? vfs_read+0x3cc/0x790
[ 901.741308][ C0] ksys_write+0xff/0x200
[ 901.741311][ C0] ? __ia32_sys_read+0xc0/0xc0
[ 901.741314][ C0] ? rcu_is_watching+0x15/0xd0
[ 901.741318][ C0] do_syscall_64+0xbd/0xfc0
[ 901.741320][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 901.741322][ C0] RIP: 0033:0x7fe900794c5e
[ 901.741325][ 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
[ 901.741326][ C0] RSP: 002b:00007fff0b624040 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 901.741328][ C0] RAX: ffffffffffffffda RBX: 000055b392e993a0 RCX: 00007fe900794c5e
[ 901.741329][ C0] RDX: 0000000000000001 RSI: 000055b392e993a0 RDI: 0000000000000001
[ 901.741330][ C0] RBP: 00007fff0b624050 R08: 0000000000000000 R09: 0000000000000000
[ 901.741330][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[ 901.741331][ C0] R13: 000055b392e5a010 R14: 0000000000000001 R15: 000055b392e993a0
[ 901.741337][ C0]
[ 901.741337][ C0] handlers:
[ 901.749916][ C0] [] serial8250_interrupt
[ 901.750507][ C0] Disabling IRQ #51