[  869.822067][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[  869.822521][    C0] CPU: 0 UID: 0 PID: 4304 Comm: perl Not tainted 6.12.0-rc7-virtme #1
[  869.822820][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  869.823065][    C0] Call Trace:
[  869.823222][    C0]  <IRQ>
[  869.823329][    C0]  dump_stack_lvl+0x82/0xd0
[  869.823585][    C0]  __report_bad_irq+0x5f/0x180
[  869.823786][    C0]  note_interrupt+0x6b3/0x860
[  869.824003][    C0]  handle_irq_event+0x16d/0x1c0
[  869.824193][    C0]  handle_edge_irq+0x1fa/0xb60
[  869.824386][    C0]  __common_interrupt+0x82/0x170
[  869.824572][    C0]  common_interrupt+0x81/0xa0
[  869.824763][    C0]  </IRQ>
[  869.824871][    C0]  <TASK>
[  869.824965][    C0]  asm_common_interrupt+0x26/0x40
[  869.825146][    C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[  869.825383][    C0] Code: 10 e8 41 af 85 fd 48 89 ef e8 a9 21 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 85 f8 18 5c <74> 0e 5b 5d c3 cc cc cc cc e8 0f 08 ab fd eb dc 0f 1f 44 00 00 5b
[  869.826028][    C0] RSP: 0018:ffffc90004a67aa0 EFLAGS: 00000286
[  869.826263][    C0] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff4e416b1
[  869.826539][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa3eace51
[  869.826819][    C0] RBP: ffffffffa7ad24a0 R08: 0000000000000001 R09: fffffbfff4e3cdcf
[  869.827124][    C0] R10: ffffffffa71e6e7f R11: ffff888010d5a300 R12: 00000000ffffffff
[  869.827502][    C0] R13: 0000000000000001 R14: ffffffffa7ad25a8 R15: 00000000ffffffff
[  869.827804][    C0]  ? _raw_spin_unlock_irqrestore+0x51/0x70
[  869.828066][    C0]  uart_write+0x220/0x920
[  869.828229][    C0]  process_output_block+0x13e/0x790
[  869.828429][    C0]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[  869.828687][    C0]  n_tty_write+0x40c/0x790
[  869.828896][    C0]  ? __pfx_n_tty_write+0x10/0x10
[  869.829100][    C0]  ? trace_lock_acquire+0x14d/0x1f0
[  869.829299][    C0]  ? __pfx_woken_wake_function+0x10/0x10
[  869.829497][    C0]  ? iterate_tty_write+0x8f/0x540
[  869.829702][    C0]  ? lock_acquire+0x32/0xc0
[  869.829905][    C0]  ? iterate_tty_write+0x8f/0x540
[  869.830108][    C0]  iterate_tty_write+0x222/0x540
[  869.830320][    C0]  ? tty_ldisc_ref_wait+0x28/0x80
[  869.830521][    C0]  file_tty_write.constprop.0+0x1cf/0x360
[  869.830712][    C0]  vfs_write+0xa81/0x11e0
[  869.830862][    C0]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  869.831047][    C0]  ? __pfx_vfs_write+0x10/0x10
[  869.831234][    C0]  ? clockevents_program_event+0xf6/0x300
[  869.831434][    C0]  ksys_write+0xf5/0x1e0
[  869.831577][    C0]  ? __pfx_ksys_write+0x10/0x10
[  869.831772][    C0]  do_syscall_64+0xc1/0x1d0
[  869.831968][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  869.832197][    C0] RIP: 0033:0x7fbc253ef957
[  869.832391][    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
[  869.833019][    C0] RSP: 002b:00007ffec9def738 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  869.833305][    C0] RAX: ffffffffffffffda RBX: 000055dc6013f2b0 RCX: 00007fbc253ef957
[  869.833585][    C0] RDX: 0000000000000001 RSI: 000055dc6013f2b0 RDI: 0000000000000001
[  869.833856][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  869.834126][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 000055dc6012a5e0
[  869.834392][    C0] R13: 000055dc6010b2a0 R14: 0000000000000001 R15: 000055dc6012a5e0
[  869.834683][    C0]  </TASK>
[  869.834834][    C0] handlers:
[  869.834981][    C0] [<ffffffffa277c8e0>] serial8250_interrupt
[  869.835371][    C0] Disabling IRQ #51