[  844.710254][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[  844.710589][    C0] CPU: 0 UID: 0 PID: 4307 Comm: perl Not tainted 6.12.0-virtme #1
[  844.710852][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  844.711059][    C0] Call Trace:
[  844.711190][    C0]  <IRQ>
[  844.711281][    C0]  dump_stack_lvl+0x82/0xd0
[  844.711465][    C0]  __report_bad_irq+0x5f/0x180
[  844.711635][    C0]  note_interrupt+0x66d/0x7f0
[  844.711808][    C0]  handle_irq_event+0x16d/0x1c0
[  844.711975][    C0]  handle_edge_irq+0x1fa/0xb60
[  844.712147][    C0]  __common_interrupt+0x82/0x170
[  844.712322][    C0]  common_interrupt+0x81/0xa0
[  844.712490][    C0]  </IRQ>
[  844.712579][    C0]  <TASK>
[  844.712665][    C0]  asm_common_interrupt+0x26/0x40
[  844.712832][    C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[  844.713047][    C0] Code: 10 e8 d1 99 83 fd 48 89 ef e8 89 0e 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 d5 93 56 5a <74> 0e 5b 5d c3 cc cc cc cc e8 bf f6 a8 fd eb dc 0f 1f 44 00 00 5b
[  844.713620][    C0] RSP: 0018:ffffc90004b87aa0 EFLAGS: 00000286
[  844.713833][    C0] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff51c40a8
[  844.714079][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa5ad3381
[  844.714326][    C0] RBP: ffffffffa96e78a0 R08: 0000000000000001 R09: fffffbfff51bf7df
[  844.714575][    C0] R10: ffffffffa8dfbeff R11: ffff8880113745c0 R12: 00000000ffffffff
[  844.714828][    C0] R13: 0000000000000001 R14: ffffffffa96e79a8 R15: 00000000ffffffff
[  844.715084][    C0]  ? _raw_spin_unlock_irqrestore+0x51/0x70
[  844.715300][    C0]  uart_write+0x220/0x920
[  844.715433][    C0]  process_output_block+0x13e/0x790
[  844.715600][    C0]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[  844.715811][    C0]  n_tty_write+0x40c/0x790
[  844.715986][    C0]  ? __pfx_n_tty_write+0x10/0x10
[  844.716161][    C0]  ? trace_lock_acquire+0x14d/0x1f0
[  844.716325][    C0]  ? __pfx_woken_wake_function+0x10/0x10
[  844.716492][    C0]  ? iterate_tty_write+0x8f/0x540
[  844.716656][    C0]  ? lock_acquire+0x32/0xc0
[  844.716823][    C0]  ? iterate_tty_write+0x8f/0x540
[  844.716995][    C0]  iterate_tty_write+0x222/0x540
[  844.717166][    C0]  ? tty_ldisc_ref_wait+0x28/0x80
[  844.717340][    C0]  file_tty_write.constprop.0+0x1cf/0x360
[  844.717515][    C0]  vfs_write+0xa81/0x11e0
[  844.717642][    C0]  ? __pfx___lock_release+0x10/0x10
[  844.717809][    C0]  ? trace_lock_acquire+0x14d/0x1f0
[  844.717971][    C0]  ? __might_fault+0xc3/0x170
[  844.718138][    C0]  ? lock_acquire+0x32/0xc0
[  844.718302][    C0]  ? __pfx_vfs_write+0x10/0x10
[  844.718470][    C0]  ? trace_rseq_update+0xe2/0x140
[  844.718642][    C0]  ? __rseq_handle_notify_resume+0x288/0x3e0
[  844.718854][    C0]  ksys_write+0xf8/0x1d0
[  844.718987][    C0]  ? __pfx_ksys_write+0x10/0x10
[  844.719164][    C0]  do_syscall_64+0xc1/0x1d0
[  844.719334][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  844.719540][    C0] RIP: 0033:0x7fce28bf6957
[  844.719713][    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
[  844.720288][    C0] RSP: 002b:00007ffd19ebf3d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  844.720539][    C0] RAX: ffffffffffffffda RBX: 0000564b0d9982b0 RCX: 00007fce28bf6957
[  844.720779][    C0] RDX: 0000000000000001 RSI: 0000564b0d9982b0 RDI: 0000000000000001
[  844.721020][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  844.721261][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 0000564b0d9835e0
[  844.721507][    C0] R13: 0000564b0d9642a0 R14: 0000000000000001 R15: 0000564b0d9835e0
[  844.721765][    C0]  </TASK>
[  844.721892][    C0] handlers:
[  844.722022][    C0] [<ffffffffa439e990>] serial8250_interrupt
[  844.722395][    C0] Disabling IRQ #51