[ 1157.349250][ T8394] Mirror/redirect action on
[ 1176.515395][    C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 1176.515811][    C3] CPU: 3 UID: 0 PID: 8247 Comm: perl Not tainted 6.10.0-virtme #1
[ 1176.516073][    C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1176.516445][    C3] Call Trace:
[ 1176.516576][    C3]  <IRQ>
[ 1176.516670][    C3]  dump_stack_lvl+0x82/0xd0
[ 1176.516856][    C3]  __report_bad_irq+0x5f/0x180
[ 1176.517026][    C3]  note_interrupt+0x6b3/0x860
[ 1176.517197][    C3]  handle_irq_event+0x16d/0x1c0
[ 1176.517366][    C3]  handle_edge_irq+0x1fa/0xb60
[ 1176.517544][    C3]  __common_interrupt+0x82/0x170
[ 1176.517716][    C3]  common_interrupt+0x7e/0x90
[ 1176.517885][    C3]  </IRQ>
[ 1176.517973][    C3]  <TASK>
[ 1176.518059][    C3]  asm_common_interrupt+0x26/0x40
[ 1176.518229][    C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 1176.518446][    C3] Code: 10 e8 b1 39 8e fd 48 89 ef e8 59 aa 8e 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 80 c2 53 <74> 0e 5b 5d c3 cc cc cc cc e8 7f 77 b2 fd eb dc 0f 1f 44 00 00 5b
[ 1176.519060][    C3] RSP: 0018:ffffc90007d2fab8 EFLAGS: 00000286
[ 1176.519277][    C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff5ef7010
[ 1176.519527][    C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffac414821
[ 1176.519793][    C3] RBP: ffffffffb0079320 R08: 0000000000000001 R09: fffffbfff5ef2108
[ 1176.520042][    C3] R10: ffffffffaf790847 R11: 0000000000000000 R12: ffffffffb0079428
[ 1176.520304][    C3] R13: ffff888002171c00 R14: ffffffffb0079320 R15: 0000000000000282
[ 1176.520568][    C3]  ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 1176.520786][    C3]  uart_write+0x13e/0x320
[ 1176.520919][    C3]  process_output_block+0x13e/0x790
[ 1176.521094][    C3]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1176.521308][    C3]  n_tty_write+0x412/0x7a0
[ 1176.521481][    C3]  ? __pfx_n_tty_write+0x10/0x10
[ 1176.521654][    C3]  ? trace_lock_acquire+0x14d/0x1f0
[ 1176.521831][    C3]  ? __pfx_woken_wake_function+0x10/0x10
[ 1176.522012][    C3]  ? iterate_tty_write+0x95/0x540
[ 1176.522179][    C3]  ? lock_acquire+0x32/0xc0
[ 1176.522347][    C3]  ? iterate_tty_write+0x95/0x540
[ 1176.522521][    C3]  iterate_tty_write+0x228/0x540
[ 1176.522691][    C3]  ? tty_ldisc_ref_wait+0x28/0x80
[ 1176.522865][    C3]  file_tty_write.constprop.0+0x1db/0x370
[ 1176.523033][    C3]  vfs_write+0xa1b/0x10b0
[ 1176.523165][    C3]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1176.523380][    C3]  ? __pfx_vfs_write+0x10/0x10
[ 1176.523565][    C3]  ? __fget_light+0x53/0x1e0
[ 1176.523742][    C3]  ksys_write+0xf5/0x1e0
[ 1176.523870][    C3]  ? __pfx_ksys_write+0x10/0x10
[ 1176.524049][    C3]  do_syscall_64+0xc1/0x1d0
[ 1176.524223][    C3]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1176.524434][    C3] RIP: 0033:0x7fb6a7bee957
[ 1176.524611][    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
[ 1176.525205][    C3] RSP: 002b:00007ffddafe4d28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1176.525460][    C3] RAX: ffffffffffffffda RBX: 00005559cc403310 RCX: 00007fb6a7bee957
[ 1176.525712][    C3] RDX: 0000000000000001 RSI: 00005559cc403310 RDI: 0000000000000001
[ 1176.525965][    C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1176.526243][    C3] R10: 0000000000000001 R11: 0000000000000246 R12: 00005559cc3ef5c0
[ 1176.526491][    C3] R13: 00005559cc3d02a0 R14: 0000000000000001 R15: 00005559cc3ef5c0
[ 1176.526746][    C3]  </TASK>
[ 1176.526871][    C3] handlers:
[ 1176.526999][    C3] [<ffffffffaad1e610>] serial8250_interrupt
[ 1176.527759][    C3] Disabling IRQ #4