[  899.421093][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[  899.421536][    C0] CPU: 0 UID: 0 PID: 11640 Comm: perl Not tainted 6.12.0-virtme #1
[  899.421917][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  899.422164][    C0] Call Trace:
[  899.422321][    C0]  <IRQ>
[  899.422427][    C0]  dump_stack_lvl+0x82/0xd0
[  899.422632][    C0]  __report_bad_irq+0x5f/0x180
[  899.422837][    C0]  note_interrupt+0x66d/0x7f0
[  899.423066][    C0]  handle_irq_event+0x16d/0x1c0
[  899.423295][    C0]  handle_edge_irq+0x1fa/0xb60
[  899.423498][    C0]  __common_interrupt+0x82/0x170
[  899.423695][    C0]  common_interrupt+0x81/0xa0
[  899.423894][    C0]  </IRQ>
[  899.424004][    C0]  <TASK>
[  899.424108][    C0]  asm_common_interrupt+0x26/0x40
[  899.424295][    C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[  899.424540][    C0] Code: 10 e8 11 17 82 fd 48 89 ef e8 c9 8b 82 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 b5 a8 94 4b <74> 0e 5b 5d c3 cc cc cc cc e8 0f df a7 fd eb dc 0f 1f 44 00 00 5b
[  899.425203][    C0] RSP: 0018:ffffc90001a27aa0 EFLAGS: 00000286
[  899.425448][    C0] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff6f45f1c
[  899.425738][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb46f1c61
[  899.426039][    C0] RBP: ffffffffb82f6800 R08: 0000000000000001 R09: fffffbfff6f415ef
[  899.426331][    C0] R10: ffffffffb7a0af7f R11: ffff888016542300 R12: 00000000ffffffff
[  899.426603][    C0] R13: 0000000000000001 R14: ffffffffb82f6908 R15: 00000000ffffffff
[  899.426886][    C0]  ? _raw_spin_unlock_irqrestore+0x51/0x70
[  899.427122][    C0]  uart_write+0x220/0x920
[  899.427277][    C0]  process_output_block+0x13e/0x790
[  899.427479][    C0]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[  899.427717][    C0]  n_tty_write+0x40c/0x790
[  899.427916][    C0]  ? __pfx_n_tty_write+0x10/0x10
[  899.428098][    C0]  ? trace_lock_acquire+0x148/0x1f0
[  899.428281][    C0]  ? __pfx_woken_wake_function+0x10/0x10
[  899.428463][    C0]  ? lock_acquire+0x32/0xc0
[  899.428663][    C0]  ? iterate_tty_write+0x8f/0x540
[  899.428870][    C0]  iterate_tty_write+0x222/0x540
[  899.429076][    C0]  ? tty_ldisc_ref_wait+0x28/0x80
[  899.429277][    C0]  file_tty_write.constprop.0+0x1cf/0x360
[  899.429466][    C0]  vfs_write+0xa81/0x11e0
[  899.429616][    C0]  ? __pfx___lock_release+0x10/0x10
[  899.429810][    C0]  ? trace_lock_acquire+0x148/0x1f0
[  899.430004][    C0]  ? lock_acquire+0x32/0xc0
[  899.430209][    C0]  ? __pfx_vfs_write+0x10/0x10
[  899.430399][    C0]  ? trace_rseq_update+0xe3/0x140
[  899.430602][    C0]  ? __rseq_handle_notify_resume+0x288/0x3e0
[  899.430851][    C0]  ksys_write+0xf8/0x1d0
[  899.431001][    C0]  ? __pfx_ksys_write+0x10/0x10
[  899.431210][    C0]  do_syscall_64+0xc1/0x1d0
[  899.431403][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  899.431652][    C0] RIP: 0033:0x7fb0f1a6a957
[  899.431857][    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
[  899.432495][    C0] RSP: 002b:00007ffeb5d531a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  899.432798][    C0] RAX: ffffffffffffffda RBX: 000055e0070f33f0 RCX: 00007fb0f1a6a957
[  899.433071][    C0] RDX: 0000000000000001 RSI: 000055e0070f33f0 RDI: 0000000000000001
[  899.433338][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  899.433608][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 000055e0070de5e0
[  899.433874][    C0] R13: 000055e0070bf2a0 R14: 0000000000000001 R15: 000055e0070de5e0
[  899.434161][    C0]  </TASK>
[  899.434296][    C0] handlers:
[  899.434437][    C0] [<ffffffffb2fb4070>] serial8250_interrupt
[  899.434814][    C0] Disabling IRQ #51