[ 1109.443569][ T7193] Mirror/redirect action on
[ 1131.774000][    C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 1131.774399][    C3] CPU: 3 UID: 0 PID: 7046 Comm: perl Not tainted 6.11.0-virtme #1
[ 1131.774667][    C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1131.775043][    C3] Call Trace:
[ 1131.775166][    C3]  <IRQ>
[ 1131.775263][    C3]  dump_stack_lvl+0x82/0xd0
[ 1131.775463][    C3]  __report_bad_irq+0x5f/0x180
[ 1131.775643][    C3]  note_interrupt+0x6b3/0x860
[ 1131.775820][    C3]  handle_irq_event+0x16d/0x1c0
[ 1131.775996][    C3]  handle_edge_irq+0x1fa/0xb60
[ 1131.776174][    C3]  __common_interrupt+0x82/0x170
[ 1131.776351][    C3]  common_interrupt+0x7e/0x90
[ 1131.776528][    C3]  </IRQ>
[ 1131.776621][    C3]  <TASK>
[ 1131.776709][    C3]  asm_common_interrupt+0x26/0x40
[ 1131.776884][    C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 1131.777119][    C3] Code: 10 e8 f1 e9 8c fd 48 89 ef e8 99 5a 8d 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 15 16 a1 57 <74> 0e 5b 5d c3 cc cc cc cc e8 6f 13 b1 fd eb dc 0f 1f 44 00 00 5b
[ 1131.777723][    C3] RSP: 0018:ffffc900028ffab8 EFLAGS: 00000286
[ 1131.777950][    C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff5738284
[ 1131.778207][    C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa862b081
[ 1131.778461][    C3] RBP: ffffffffac2822a0 R08: 0000000000000001 R09: fffffbfff5733318
[ 1131.778719][    C3] R10: ffffffffab9998c7 R11: 0000000000000000 R12: ffffffffac2823a8
[ 1131.778985][    C3] R13: ffff88800628c000 R14: ffffffffac2822a0 R15: 0000000000000286
[ 1131.779256][    C3]  ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 1131.779483][    C3]  uart_write+0x13e/0x320
[ 1131.779619][    C3]  process_output_block+0x13e/0x790
[ 1131.779793][    C3]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1131.780008][    C3]  n_tty_write+0x412/0x7a0
[ 1131.780190][    C3]  ? __pfx_n_tty_write+0x10/0x10
[ 1131.780361][    C3]  ? trace_lock_acquire+0x14d/0x1f0
[ 1131.780541][    C3]  ? __pfx_woken_wake_function+0x10/0x10
[ 1131.780717][    C3]  ? iterate_tty_write+0x95/0x540
[ 1131.780888][    C3]  ? lock_acquire+0x32/0xc0
[ 1131.781062][    C3]  ? iterate_tty_write+0x95/0x540
[ 1131.781239][    C3]  iterate_tty_write+0x228/0x540
[ 1131.781414][    C3]  ? tty_ldisc_ref_wait+0x28/0x80
[ 1131.781596][    C3]  file_tty_write.constprop.0+0x1db/0x370
[ 1131.781775][    C3]  vfs_write+0xa1b/0x10b0
[ 1131.781909][    C3]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1131.782081][    C3]  ? __pfx_vfs_write+0x10/0x10
[ 1131.782262][    C3]  ? __fget_light+0x53/0x1e0
[ 1131.782442][    C3]  ksys_write+0xf5/0x1e0
[ 1131.782573][    C3]  ? __pfx_ksys_write+0x10/0x10
[ 1131.782757][    C3]  do_syscall_64+0xc1/0x1d0
[ 1131.782937][    C3]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1131.783151][    C3] RIP: 0033:0x7fca2de39957
[ 1131.783344][    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
[ 1131.783934][    C3] RSP: 002b:00007ffdf3c29228 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1131.784193][    C3] RAX: ffffffffffffffda RBX: 0000556ed05413f0 RCX: 00007fca2de39957
[ 1131.784458][    C3] RDX: 0000000000000001 RSI: 0000556ed05413f0 RDI: 0000000000000001
[ 1131.784705][    C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1131.784942][    C3] R10: 0000000000000001 R11: 0000000000000246 R12: 0000556ed052c5e0
[ 1131.785188][    C3] R13: 0000556ed050d2a0 R14: 0000000000000001 R15: 0000556ed052c5e0
[ 1131.785461][    C3]  </TASK>
[ 1131.785582][    C3] handlers:
[ 1131.785700][    C3] [<ffffffffa6f22610>] serial8250_interrupt
[ 1131.786051][    C3] Disabling IRQ #4