[ 1695.831628][T11129] Mirror/redirect action on
[ 1717.236343][    C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 1717.236805][    C3] CPU: 3 UID: 0 PID: 10982 Comm: perl Not tainted 6.11.0-rc5-virtme #1
[ 1717.237060][    C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1717.237432][    C3] Call Trace:
[ 1717.237578][    C3]  <IRQ>
[ 1717.237669][    C3]  dump_stack_lvl+0x82/0xd0
[ 1717.237855][    C3]  __report_bad_irq+0x5f/0x180
[ 1717.238033][    C3]  note_interrupt+0x6b3/0x860
[ 1717.238208][    C3]  handle_irq_event+0x16d/0x1c0
[ 1717.238384][    C3]  handle_edge_irq+0x1fa/0xb60
[ 1717.238560][    C3]  __common_interrupt+0x82/0x170
[ 1717.238738][    C3]  common_interrupt+0x7e/0x90
[ 1717.238910][    C3]  </IRQ>
[ 1717.238998][    C3]  <TASK>
[ 1717.239089][    C3]  asm_common_interrupt+0x26/0x40
[ 1717.239264][    C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 1717.239490][    C3] Code: 10 e8 f1 8b 8d fd 48 89 ef e8 99 fc 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 b5 ca c1 68 <74> 0e 5b 5d c3 cc cc cc cc e8 4f b5 b1 fd eb dc 0f 1f 44 00 00 5b
[ 1717.240075][    C3] RSP: 0018:ffffc90001a3fab8 EFLAGS: 00000286
[ 1717.240289][    C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff34f7e39
[ 1717.240541][    C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9741fde1
[ 1717.240795][    C3] RBP: ffffffff9b080260 R08: 0000000000000001 R09: fffffbfff34f2f18
[ 1717.241052][    C3] R10: ffffffff9a7978c7 R11: 0000000000000000 R12: ffffffff9b080368
[ 1717.241307][    C3] R13: ffff8880052ea800 R14: ffffffff9b080260 R15: 0000000000000286
[ 1717.241568][    C3]  ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 1717.241796][    C3]  uart_write+0x13e/0x320
[ 1717.241927][    C3]  process_output_block+0x13e/0x790
[ 1717.242102][    C3]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1717.242323][    C3]  n_tty_write+0x412/0x7a0
[ 1717.242496][    C3]  ? __pfx_n_tty_write+0x10/0x10
[ 1717.242666][    C3]  ? trace_lock_acquire+0x14d/0x1f0
[ 1717.242833][    C3]  ? __pfx_woken_wake_function+0x10/0x10
[ 1717.243014][    C3]  ? iterate_tty_write+0x95/0x540
[ 1717.243181][    C3]  ? lock_acquire+0x32/0xc0
[ 1717.243355][    C3]  ? iterate_tty_write+0x95/0x540
[ 1717.243526][    C3]  iterate_tty_write+0x228/0x540
[ 1717.243695][    C3]  ? tty_ldisc_ref_wait+0x28/0x80
[ 1717.243865][    C3]  file_tty_write.constprop.0+0x1db/0x370
[ 1717.244035][    C3]  vfs_write+0xa1b/0x10b0
[ 1717.244169][    C3]  ? __pfx_vfs_write+0x10/0x10
[ 1717.244346][    C3]  ? __might_fault+0xc3/0x170
[ 1717.244530][    C3]  ? __might_fault+0x11b/0x170
[ 1717.244709][    C3]  ? __fget_light+0x53/0x1e0
[ 1717.244888][    C3]  ksys_write+0xf5/0x1e0
[ 1717.245027][    C3]  ? __pfx_ksys_write+0x10/0x10
[ 1717.245200][    C3]  ? handle_softirqs+0x331/0x5c0
[ 1717.245383][    C3]  do_syscall_64+0xc1/0x1d0
[ 1717.245558][    C3]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1717.245763][    C3] RIP: 0033:0x7f17b0952957
[ 1717.245935][    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
[ 1717.246520][    C3] RSP: 002b:00007ffd1ad330f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1717.246786][    C3] RAX: ffffffffffffffda RBX: 00005614fc11e330 RCX: 00007f17b0952957
[ 1717.247035][    C3] RDX: 0000000000000001 RSI: 00005614fc11e330 RDI: 0000000000000001
[ 1717.247285][    C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1717.247531][    C3] R10: 0000000000000001 R11: 0000000000000246 R12: 00005614fc1095e0
[ 1717.247780][    C3] R13: 00005614fc0ea2a0 R14: 0000000000000001 R15: 00005614fc1095e0
[ 1717.248043][    C3]  </TASK>
[ 1717.248167][    C3] handlers:
[ 1717.248300][    C3] [<ffffffff95d205d0>] serial8250_interrupt
[ 1717.248652][    C3] Disabling IRQ #4