[  924.174178][ T9872] Mirror/redirect action on
[  945.841463][    C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[  945.841878][    C3] CPU: 3 PID: 9725 Comm: perl Not tainted 6.10.0-rc2-virtme #1
[  945.842139][    C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  945.842499][    C3] Call Trace:
[  945.842621][    C3]  <IRQ>
[  945.842704][    C3]  dump_stack_lvl+0x82/0xd0
[  945.842878][    C3]  __report_bad_irq+0x5f/0x180
[  945.843037][    C3]  note_interrupt+0x6b3/0x860
[  945.843207][    C3]  handle_irq_event+0x16d/0x1c0
[  945.843362][    C3]  handle_edge_irq+0x1fa/0xb60
[  945.843524][    C3]  __common_interrupt+0x82/0x170
[  945.843681][    C3]  common_interrupt+0x7e/0x90
[  945.843842][    C3]  </IRQ>
[  945.843923][    C3]  <TASK>
[  945.844007][    C3]  asm_common_interrupt+0x26/0x40
[  945.844159][    C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[  945.844357][    C3] Code: 10 e8 81 4e 92 fd 48 89 ef e8 f9 be 92 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 a5 ae 26 72 <74> 0e 5b 5d c3 cc cc cc cc e8 2f 30 b6 fd eb dc 0f 1f 44 00 00 5b
[  945.844911][    C3] RSP: 0018:ffffc90004a3fac0 EFLAGS: 00000286
[  945.845126][    C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff21f031a
[  945.845379][    C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8ddd19b1
[  945.845640][    C3] RBP: ffffffff91843060 R08: 0000000000000001 R09: fffffbfff21eb4a8
[  945.845883][    C3] R10: ffffffff90f5a547 R11: 0000000000000000 R12: 0000000000000001
[  945.846136][    C3] R13: 0000000000000286 R14: ffffffff91843060 R15: ffff888004ad0800
[  945.846375][    C3]  ? _raw_spin_unlock_irqrestore+0x51/0x70
[  945.846615][    C3]  uart_write+0x13d/0x330
[  945.846759][    C3]  process_output_block+0x13e/0x790
[  945.846924][    C3]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[  945.847140][    C3]  n_tty_write+0x412/0x7a0
[  945.847304][    C3]  ? __pfx_n_tty_write+0x10/0x10
[  945.847482][    C3]  ? trace_lock_acquire+0x14d/0x1f0
[  945.847639][    C3]  ? __pfx_woken_wake_function+0x10/0x10
[  945.847819][    C3]  ? iterate_tty_write+0x95/0x540
[  945.847974][    C3]  ? lock_acquire+0x32/0xc0
[  945.848140][    C3]  ? iterate_tty_write+0x95/0x540
[  945.848305][    C3]  iterate_tty_write+0x228/0x540
[  945.848473][    C3]  ? tty_ldisc_ref_wait+0x28/0x80
[  945.848641][    C3]  file_tty_write.constprop.0+0x1db/0x370
[  945.848836][    C3]  vfs_write+0xa18/0x10b0
[  945.848959][    C3]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  945.849182][    C3]  ? __pfx_vfs_write+0x10/0x10
[  945.849338][    C3]  ? clockevents_program_event+0xf6/0x300
[  945.849536][    C3]  ? __fget_light+0x53/0x1e0
[  945.849690][    C3]  ? clockevents_program_event+0x1ea/0x300
[  945.849893][    C3]  ksys_write+0xf5/0x1e0
[  945.850012][    C3]  ? __pfx_ksys_write+0x10/0x10
[  945.850205][    C3]  do_syscall_64+0xc1/0x1d0
[  945.850360][    C3]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  945.850576][    C3] RIP: 0033:0x7f23aebd6957
[  945.850739][    C3] 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
[  945.851336][    C3] RSP: 002b:00007ffc1c00cf28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  945.851596][    C3] RAX: ffffffffffffffda RBX: 000055f9b9c70310 RCX: 00007f23aebd6957
[  945.851837][    C3] RDX: 0000000000000001 RSI: 000055f9b9c70310 RDI: 0000000000000001
[  945.852086][    C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  945.852321][    C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055f9b9c5c5c0
[  945.852550][    C3] R13: 000055f9b9c3d2a0 R14: 0000000000000001 R15: 000055f9b9c5c5c0
[  945.852784][    C3]  </TASK>
[  945.852898][    C3] handlers:
[  945.853041][    C3] [<ffffffff8c6f6570>] serial8250_interrupt
[  945.853441][    C3] Disabling IRQ #4