[  998.379533][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[  998.379912][    C0] CPU: 0 UID: 0 PID: 9289 Comm: perl Not tainted 6.13.0-virtme #1
[  998.379919][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  998.379923][    C0] Call Trace:
[  998.379926][    C0]  <IRQ>
[  998.379929][    C0]  dump_stack_lvl+0x82/0xd0
[  998.379958][    C0]  __report_bad_irq+0x5f/0x180
[  998.379986][    C0]  note_interrupt+0x66d/0x7f0
[  998.379994][    C0]  handle_irq_event+0x16d/0x1c0
[  998.380001][    C0]  handle_edge_irq+0x1fa/0xb60
[  998.380012][    C0]  __common_interrupt+0x82/0x170
[  998.380028][    C0]  common_interrupt+0x81/0xa0
[  998.380035][    C0]  </IRQ>
[  998.380036][    C0]  <TASK>
[  998.380039][    C0]  asm_common_interrupt+0x26/0x40
[  998.380046][    C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[  998.380055][    C0] Code: 10 e8 21 d0 89 fd 48 89 ef e8 69 40 8a fd 81 e3 00 02 00 00 75 1d 9c 58 f6 c4 02 75 29 48 85 db 74 01 fb 65 ff 0d d5 e8 d1 79 <74> 0e 5b 5d c3 cc cc cc cc e8 7f 4b af fd eb dc 0f 1f 44 00 00 5b
[  998.380058][    C0] RSP: 0018:ffffc90003017aa0 EFLAGS: 00000286
[  998.380065][    C0] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff12c8416
[  998.380067][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8631dc41
[  998.380069][    C0] RBP: ffffffff89f08960 R08: 0000000000000001 R09: fffffbfff12c39ef
[  998.380070][    C0] R10: ffffffff8961cf7f R11: ffff8880023ec5c0 R12: 00000000ffffffff
[  998.380073][    C0] R13: 0000000000000001 R14: ffffffff89f08a68 R15: 00000000ffffffff
[  998.380084][    C0]  ? _raw_spin_unlock_irqrestore+0x51/0x70
[  998.380093][    C0]  uart_write+0x220/0x920
[  998.380113][    C0]  process_output_block+0x13e/0x790
[  998.380124][    C0]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[  998.380136][    C0]  n_tty_write+0x40c/0x790
[  998.380147][    C0]  ? __pfx_n_tty_write+0x10/0x10
[  998.380151][    C0]  ? trace_lock_acquire+0x14c/0x1f0
[  998.380155][    C0]  ? __pfx_woken_wake_function+0x10/0x10
[  998.380164][    C0]  ? lock_acquire+0x32/0xc0
[  998.380167][    C0]  ? iterate_tty_write+0x8f/0x540
[  998.380178][    C0]  iterate_tty_write+0x222/0x540
[  998.380185][    C0]  ? tty_ldisc_ref_wait+0x28/0x80
[  998.380195][    C0]  file_tty_write.constprop.0+0x1cf/0x360
[  998.380203][    C0]  vfs_write+0xa81/0x11e0
[  998.380214][    C0]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  998.380221][    C0]  ? __pfx_vfs_write+0x10/0x10
[  998.380227][    C0]  ? clockevents_program_event+0xf6/0x300
[  998.380246][    C0]  ? clockevents_program_event+0x1ea/0x300
[  998.380254][    C0]  ksys_write+0xf8/0x1d0
[  998.380258][    C0]  ? __pfx_ksys_write+0x10/0x10
[  998.380271][    C0]  do_syscall_64+0xc1/0x1d0
[  998.380280][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  998.380285][    C0] RIP: 0033:0x7fcf6ce31b77
[  998.380289][    C0] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
[  998.380292][    C0] RSP: 002b:00007ffd6652efa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  998.380295][    C0] RAX: ffffffffffffffda RBX: 000055ce0f1762b0 RCX: 00007fcf6ce31b77
[  998.380297][    C0] RDX: 0000000000000001 RSI: 000055ce0f1762b0 RDI: 0000000000000001
[  998.380299][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  998.380300][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 000055ce0f1615e0
[  998.380302][    C0] R13: 000055ce0f1422a0 R14: 0000000000000001 R15: 000055ce0f1615e0
[  998.380318][    C0]  </TASK>
[  998.380319][    C0] handlers:
[  998.391541][    C0] [<ffffffff84c58fb0>] serial8250_interrupt
[  998.391935][    C0] Disabling IRQ #51