[  895.827541][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[  895.828016][    C0] CPU: 0 UID: 0 PID: 11640 Comm: perl Not tainted 6.12.0-virtme #1
[  895.828318][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  895.828689][    C0] Call Trace:
[  895.828842][    C0]  <IRQ>
[  895.828943][    C0]  dump_stack_lvl+0x82/0xd0
[  895.829149][    C0]  __report_bad_irq+0x5f/0x180
[  895.829349][    C0]  note_interrupt+0x66d/0x7f0
[  895.829548][    C0]  handle_irq_event+0x16d/0x1c0
[  895.829746][    C0]  handle_edge_irq+0x1fa/0xb60
[  895.829945][    C0]  __common_interrupt+0x82/0x170
[  895.830146][    C0]  common_interrupt+0x81/0xa0
[  895.830343][    C0]  </IRQ>
[  895.830458][    C0]  <TASK>
[  895.830560][    C0]  asm_common_interrupt+0x26/0x40
[  895.830755][    C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[  895.831013][    C0] Code: 10 e8 71 9a 83 fd 48 89 ef e8 29 0f 84 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 75 94 f6 50 <74> 0e 5b 5d c3 cc cc cc cc e8 5f f7 a8 fd eb dc 0f 1f 44 00 00 5b
[  895.831687][    C0] RSP: 0018:ffffc90001977aa0 EFLAGS: 00000286
[  895.831935][    C0] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff64840a8
[  895.832237][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffaf0d32e1
[  895.832526][    C0] RBP: ffffffffb2ce78a0 R08: 0000000000000001 R09: fffffbfff647f7df
[  895.832816][    C0] R10: ffffffffb23fbeff R11: ffff888011058040 R12: 00000000ffffffff
[  895.833103][    C0] R13: 0000000000000001 R14: ffffffffb2ce79a8 R15: 00000000ffffffff
[  895.833409][    C0]  ? _raw_spin_unlock_irqrestore+0x51/0x70
[  895.833660][    C0]  uart_write+0x220/0x920
[  895.833816][    C0]  process_output_block+0x13e/0x790
[  895.834014][    C0]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[  895.834260][    C0]  n_tty_write+0x40c/0x790
[  895.834460][    C0]  ? __pfx_n_tty_write+0x10/0x10
[  895.834656][    C0]  ? trace_lock_acquire+0x14d/0x1f0
[  895.834850][    C0]  ? __pfx_woken_wake_function+0x10/0x10
[  895.835051][    C0]  ? iterate_tty_write+0x8f/0x540
[  895.835245][    C0]  ? lock_acquire+0x32/0xc0
[  895.835437][    C0]  ? iterate_tty_write+0x8f/0x540
[  895.835633][    C0]  iterate_tty_write+0x222/0x540
[  895.835832][    C0]  ? tty_ldisc_ref_wait+0x28/0x80
[  895.836030][    C0]  file_tty_write.constprop.0+0x1cf/0x360
[  895.836222][    C0]  vfs_write+0xa81/0x11e0
[  895.836368][    C0]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  895.836572][    C0]  ? __pfx_vfs_write+0x10/0x10
[  895.836767][    C0]  ? clockevents_program_event+0xf6/0x300
[  895.836986][    C0]  ? clockevents_program_event+0x1ea/0x300
[  895.837225][    C0]  ksys_write+0xf8/0x1d0
[  895.837370][    C0]  ? __pfx_ksys_write+0x10/0x10
[  895.837568][    C0]  do_syscall_64+0xc1/0x1d0
[  895.837764][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  895.838004][    C0] RIP: 0033:0x7f4c9424a957
[  895.838202][    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
[  895.838868][    C0] RSP: 002b:00007ffd15620c58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  895.839188][    C0] RAX: ffffffffffffffda RBX: 0000562e680622b0 RCX: 00007f4c9424a957
[  895.839485][    C0] RDX: 0000000000000001 RSI: 0000562e680622b0 RDI: 0000000000000001
[  895.839766][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  895.840034][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 0000562e6804d5e0
[  895.840300][    C0] R13: 0000562e6802e2a0 R14: 0000000000000001 R15: 0000562e6804d5e0
[  895.840579][    C0]  </TASK>
[  895.840715][    C0] handlers:
[  895.840858][    C0] [<ffffffffad99e990>] serial8250_interrupt
[  895.841676][    C0] Disabling IRQ #51