[  866.149576][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[  866.150026][    C0] CPU: 0 UID: 0 PID: 11640 Comm: perl Not tainted 6.12.0-rc7-virtme #1
[  866.150306][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  866.150571][    C0] Call Trace:
[  866.150717][    C0]  <IRQ>
[  866.150815][    C0]  dump_stack_lvl+0x82/0xd0
[  866.151014][    C0]  __report_bad_irq+0x5f/0x180
[  866.151205][    C0]  note_interrupt+0x6b3/0x860
[  866.151394][    C0]  handle_irq_event+0x16d/0x1c0
[  866.151580][    C0]  handle_edge_irq+0x1fa/0xb60
[  866.151775][    C0]  __common_interrupt+0x82/0x170
[  866.151967][    C0]  common_interrupt+0x81/0xa0
[  866.152153][    C0]  </IRQ>
[  866.152251][    C0]  <TASK>
[  866.152355][    C0]  asm_common_interrupt+0x26/0x40
[  866.152547][    C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[  866.152788][    C0] Code: 10 e8 31 bf 85 fd 48 89 ef e8 99 31 86 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 08 b9 75 <74> 0e 5b 5d c3 cc cc cc cc e8 ff 17 ab fd eb dc 0f 1f 44 00 00 5b
[  866.153397][    C0] RSP: 0018:ffffc90001957aa0 EFLAGS: 00000286
[  866.153616][    C0] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff1b016ca
[  866.153878][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8a4abe61
[  866.154141][    C0] RBP: ffffffff8e0d24a0 R08: 0000000000000001 R09: fffffbfff1afcdcf
[  866.154400][    C0] R10: ffffffff8d7e6e7f R11: ffff888011038040 R12: 00000000ffffffff
[  866.154654][    C0] R13: 0000000000000001 R14: ffffffff8e0d25a8 R15: 00000000ffffffff
[  866.154933][    C0]  ? _raw_spin_unlock_irqrestore+0x51/0x70
[  866.155154][    C0]  uart_write+0x220/0x920
[  866.155293][    C0]  process_output_block+0x13e/0x790
[  866.155471][    C0]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[  866.155684][    C0]  n_tty_write+0x40c/0x790
[  866.155860][    C0]  ? __pfx_n_tty_write+0x10/0x10
[  866.156028][    C0]  ? trace_lock_acquire+0x14d/0x1f0
[  866.156207][    C0]  ? __pfx_woken_wake_function+0x10/0x10
[  866.156385][    C0]  ? iterate_tty_write+0x8f/0x540
[  866.156557][    C0]  ? lock_acquire+0x32/0xc0
[  866.156724][    C0]  ? iterate_tty_write+0x8f/0x540
[  866.156901][    C0]  iterate_tty_write+0x222/0x540
[  866.157085][    C0]  ? tty_ldisc_ref_wait+0x28/0x80
[  866.157258][    C0]  file_tty_write.constprop.0+0x1cf/0x360
[  866.157440][    C0]  vfs_write+0xa81/0x11e0
[  866.157572][    C0]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  866.157746][    C0]  ? __pfx_vfs_write+0x10/0x10
[  866.157922][    C0]  ? clockevents_program_event+0xf6/0x300
[  866.158100][    C0]  ? clockevents_program_event+0x1ea/0x300
[  866.158316][    C0]  ksys_write+0xf5/0x1e0
[  866.158450][    C0]  ? __pfx_ksys_write+0x10/0x10
[  866.158629][    C0]  do_syscall_64+0xc1/0x1d0
[  866.158801][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  866.159014][    C0] RIP: 0033:0x7f0b3cd0c957
[  866.159192][    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
[  866.159797][    C0] RSP: 002b:00007fff13a35558 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  866.160058][    C0] RAX: ffffffffffffffda RBX: 0000562281c293f0 RCX: 00007f0b3cd0c957
[  866.160310][    C0] RDX: 0000000000000001 RSI: 0000562281c293f0 RDI: 0000000000000001
[  866.160580][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  866.160839][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 0000562281c145e0
[  866.161086][    C0] R13: 0000562281bf52a0 R14: 0000000000000001 R15: 0000562281c145e0
[  866.161349][    C0]  </TASK>
[  866.161483][    C0] handlers:
[  866.161614][    C0] [<ffffffff88d7c8e0>] serial8250_interrupt
[  866.162050][    C0] Disabling IRQ #51