[ 1158.455832][ T8394] Mirror/redirect action on
[ 1178.903543][    C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 1178.903914][    C3] CPU: 3 PID: 8247 Comm: perl Not tainted 6.10.0-virtme #1
[ 1178.904151][    C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1178.904518][    C3] Call Trace:
[ 1178.904645][    C3]  <IRQ>
[ 1178.904728][    C3]  dump_stack_lvl+0x82/0xd0
[ 1178.904894][    C3]  __report_bad_irq+0x5f/0x180
[ 1178.905053][    C3]  note_interrupt+0x6b3/0x860
[ 1178.905214][    C3]  handle_irq_event+0x16d/0x1c0
[ 1178.905369][    C3]  handle_edge_irq+0x1fa/0xb60
[ 1178.905531][    C3]  __common_interrupt+0x82/0x170
[ 1178.905688][    C3]  common_interrupt+0x7e/0x90
[ 1178.905845][    C3]  </IRQ>
[ 1178.905924][    C3]  <TASK>
[ 1178.906005][    C3]  asm_common_interrupt+0x26/0x40
[ 1178.906158][    C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 1178.906358][    C3] Code: 10 e8 e1 60 90 fd 48 89 ef e8 59 d1 90 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 bf c4 75 <74> 0e 5b 5d c3 cc cc cc cc e8 ff 4c b4 fd eb dc 0f 1f 44 00 00 5b
[ 1178.906888][    C3] RSP: 0018:ffffc900079ffab8 EFLAGS: 00000286
[ 1178.907086][    C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff1ab336d
[ 1178.907323][    C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8a3f09c1
[ 1178.907554][    C3] RBP: ffffffff8de5afa0 R08: 0000000000000001 R09: fffffbfff1aae4b0
[ 1178.907784][    C3] R10: ffffffff8d572587 R11: 0000000000000000 R12: ffffffff8de5b0a8
[ 1178.908010][    C3] R13: ffff88800671f000 R14: ffffffff8de5afa0 R15: 0000000000000286
[ 1178.908249][    C3]  ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 1178.908447][    C3]  uart_write+0x13e/0x320
[ 1178.908573][    C3]  process_output_block+0x13e/0x790
[ 1178.908733][    C3]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1178.908934][    C3]  n_tty_write+0x412/0x7a0
[ 1178.909092][    C3]  ? __pfx_n_tty_write+0x10/0x10
[ 1178.909243][    C3]  ? trace_lock_acquire+0x14d/0x1f0
[ 1178.909401][    C3]  ? __pfx_woken_wake_function+0x10/0x10
[ 1178.909560][    C3]  ? iterate_tty_write+0x95/0x540
[ 1178.909712][    C3]  ? lock_acquire+0x32/0xc0
[ 1178.909861][    C3]  ? iterate_tty_write+0x95/0x540
[ 1178.910022][    C3]  iterate_tty_write+0x228/0x540
[ 1178.910176][    C3]  ? tty_ldisc_ref_wait+0x28/0x80
[ 1178.910337][    C3]  file_tty_write.constprop.0+0x1db/0x370
[ 1178.910499][    C3]  vfs_write+0xa1b/0x10b0
[ 1178.910633][    C3]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1178.910787][    C3]  ? __pfx_vfs_write+0x10/0x10
[ 1178.910948][    C3]  ? clockevents_program_event+0xf6/0x300
[ 1178.911109][    C3]  ? __fget_light+0x53/0x1e0
[ 1178.911274][    C3]  ? clockevents_program_event+0x1ea/0x300
[ 1178.911476][    C3]  ksys_write+0xf5/0x1e0
[ 1178.911599][    C3]  ? __pfx_ksys_write+0x10/0x10
[ 1178.911765][    C3]  do_syscall_64+0xc1/0x1d0
[ 1178.911932][    C3]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1178.912126][    C3] RIP: 0033:0x7fda72e24957
[ 1178.912287][    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
[ 1178.912823][    C3] RSP: 002b:00007ffd757fefd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1178.913064][    C3] RAX: ffffffffffffffda RBX: 000055aa89c6c1d0 RCX: 00007fda72e24957
[ 1178.913302][    C3] RDX: 0000000000000001 RSI: 000055aa89c6c1d0 RDI: 0000000000000001
[ 1178.913529][    C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1178.913762][    C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055aa89c585c0
[ 1178.913990][    C3] R13: 000055aa89c392a0 R14: 0000000000000001 R15: 000055aa89c585c0
[ 1178.914228][    C3]  </TASK>
[ 1178.914341][    C3] handlers:
[ 1178.914460][    C3] [<ffffffff88d06fd0>] serial8250_interrupt
[ 1178.915011][    C3] Disabling IRQ #4