[  909.990337][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[  909.990796][    C0] CPU: 0 UID: 0 PID: 4874 Comm: perl Not tainted 6.12.0-virtme #1
[  909.991083][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  909.991299][    C0] Call Trace:
[  909.991433][    C0]  <IRQ>
[  909.991533][    C0]  dump_stack_lvl+0x82/0xd0
[  909.991733][    C0]  __report_bad_irq+0x5f/0x180
[  909.991931][    C0]  note_interrupt+0x66d/0x7f0
[  909.992135][    C0]  handle_irq_event+0x16d/0x1c0
[  909.992309][    C0]  handle_edge_irq+0x1fa/0xb60
[  909.992485][    C0]  __common_interrupt+0x82/0x170
[  909.992659][    C0]  common_interrupt+0x81/0xa0
[  909.992833][    C0]  </IRQ>
[  909.992931][    C0]  <TASK>
[  909.993021][    C0]  asm_common_interrupt+0x26/0x40
[  909.993193][    C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[  909.993417][    C0] Code: 10 e8 f1 16 82 fd 48 89 ef e8 a9 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 95 a8 d4 45 <74> 0e 5b 5d c3 cc cc cc cc e8 ef de a7 fd eb dc 0f 1f 44 00 00 5b
[  909.994015][    C0] RSP: 0018:ffffc90004827aa0 EFLAGS: 00000286
[  909.994235][    C0] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff7ac5f4e
[  909.994489][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffba2f1c81
[  909.994751][    C0] RBP: ffffffffbdef6800 R08: 0000000000000001 R09: fffffbfff7ac15ef
[  909.995006][    C0] R10: ffffffffbd60af7f R11: ffff88800fd4c5c0 R12: 00000000ffffffff
[  909.995262][    C0] R13: 0000000000000001 R14: ffffffffbdef6908 R15: 00000000ffffffff
[  909.995530][    C0]  ? _raw_spin_unlock_irqrestore+0x51/0x70
[  909.995756][    C0]  uart_write+0x220/0x920
[  909.995897][    C0]  process_output_block+0x13e/0x790
[  909.996071][    C0]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[  909.996297][    C0]  n_tty_write+0x40c/0x790
[  909.996481][    C0]  ? __pfx_n_tty_write+0x10/0x10
[  909.996654][    C0]  ? trace_lock_acquire+0x148/0x1f0
[  909.996824][    C0]  ? __pfx_woken_wake_function+0x10/0x10
[  909.997006][    C0]  ? lock_acquire+0x32/0xc0
[  909.997176][    C0]  ? iterate_tty_write+0x8f/0x540
[  909.997355][    C0]  iterate_tty_write+0x222/0x540
[  909.997528][    C0]  ? tty_ldisc_ref_wait+0x28/0x80
[  909.997702][    C0]  file_tty_write.constprop.0+0x1cf/0x360
[  909.997879][    C0]  vfs_write+0xa81/0x11e0
[  909.998011][    C0]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  909.998184][    C0]  ? __pfx_vfs_write+0x10/0x10
[  909.998360][    C0]  ? clockevents_program_event+0xf6/0x300
[  909.998541][    C0]  ? clockevents_program_event+0x1ea/0x300
[  909.998785][    C0]  ksys_write+0xf8/0x1d0
[  909.998916][    C0]  ? __pfx_ksys_write+0x10/0x10
[  909.999097][    C0]  do_syscall_64+0xc1/0x1d0
[  909.999270][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  909.999492][    C0] RIP: 0033:0x7fcdbdfb9957
[  909.999675][    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
[  910.000261][    C0] RSP: 002b:00007ffe7da529f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  910.000519][    C0] RAX: ffffffffffffffda RBX: 000055d35c0823f0 RCX: 00007fcdbdfb9957
[  910.000775][    C0] RDX: 0000000000000001 RSI: 000055d35c0823f0 RDI: 0000000000000001
[  910.001034][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  910.001287][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 000055d35c06d5e0
[  910.001538][    C0] R13: 000055d35c04e2a0 R14: 0000000000000001 R15: 000055d35c06d5e0
[  910.001806][    C0]  </TASK>
[  910.001939][    C0] handlers:
[  910.002070][    C0] [<ffffffffb8bb4030>] serial8250_interrupt
[  910.002871][    C0] Disabling IRQ #51