[ 842.958417][ T4463] Mirror/redirect action on
[ 863.893264][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 863.893712][ C3] CPU: 3 PID: 4316 Comm: perl Not tainted 6.9.0-rc4-virtme #1
[ 863.893995][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 863.894394][ C3] Call Trace:
[ 863.894534][ C3]
[ 863.894632][ C3] dump_stack_lvl+0x82/0xd0
[ 863.894845][ C3] __report_bad_irq+0x5f/0x180
[ 863.895027][ C3] note_interrupt+0x6b3/0x860
[ 863.895226][ C3] handle_irq_event+0x16d/0x1c0
[ 863.895400][ C3] handle_edge_irq+0x1fa/0xb60
[ 863.895600][ C3] __common_interrupt+0x7c/0x180
[ 863.895783][ C3] common_interrupt+0x7e/0x90
[ 863.895966][ C3]
[ 863.896056][ C3]
[ 863.896145][ C3] asm_common_interrupt+0x26/0x40
[ 863.896329][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 863.896564][ C3] Code: 10 e8 11 b7 9a fd 48 89 ef e8 49 27 9b 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 85 fd ee 5c <74> 0e 5b 5d c3 cc cc cc cc e8 ff 21 be fd eb dc 0f 1f 44 00 00 5b
[ 863.897195][ C3] RSP: 0018:ffffc9000102fa80 EFLAGS: 00000286
[ 863.897425][ C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff4c690d7
[ 863.897682][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa314ca91
[ 863.897949][ C3] RBP: ffffffffa6c291e0 R08: 0000000000000001 R09: fffffbfff4c642b0
[ 863.898198][ C3] R10: ffffffffa6321587 R11: 0000000000000000 R12: 000000000000053a
[ 863.898454][ C3] R13: ffffffffa6c292e8 R14: ffffffffa6c291e0 R15: ffff888004470000
[ 863.898718][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 863.898946][ C3] uart_write+0x224/0x450
[ 863.899083][ C3] process_output_block+0x13e/0x790
[ 863.899273][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370
[ 863.899490][ C3] n_tty_write+0x412/0x7a0
[ 863.899664][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 863.899838][ C3] ? trace_lock_acquire+0x135/0x1c0
[ 863.900019][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 863.900190][ C3] ? iterate_tty_write+0x95/0x540
[ 863.900361][ C3] ? lock_acquire+0x32/0xc0
[ 863.900531][ C3] ? iterate_tty_write+0x95/0x540
[ 863.900713][ C3] iterate_tty_write+0x228/0x540
[ 863.900899][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 863.901076][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 863.901250][ C3] vfs_write+0x9e5/0x10a0
[ 863.901384][ C3] ? __pfx___lock_release+0x10/0x10
[ 863.901555][ C3] ? trace_lock_acquire+0x135/0x1c0
[ 863.901732][ C3] ? lock_acquire+0x32/0xc0
[ 863.901908][ C3] ? __pfx_vfs_write+0x10/0x10
[ 863.902082][ C3] ? __might_fault+0x11b/0x170
[ 863.902262][ C3] ? __rseq_handle_notify_resume+0x354/0x4e0
[ 863.902479][ C3] ? __fget_light+0x53/0x1e0
[ 863.902652][ C3] ksys_write+0xf5/0x1e0
[ 863.902780][ C3] ? __pfx_ksys_write+0x10/0x10
[ 863.902959][ C3] do_syscall_64+0xc3/0x1d0
[ 863.903130][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 863.903345][ C3] RIP: 0033:0x7f016132b957
[ 863.903523][ 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
[ 863.904118][ C3] RSP: 002b:00007ffe94905ae8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 863.904376][ C3] RAX: ffffffffffffffda RBX: 000056059e7a71d0 RCX: 00007f016132b957
[ 863.904636][ C3] RDX: 0000000000000001 RSI: 000056059e7a71d0 RDI: 0000000000000001
[ 863.904896][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 863.905160][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000056059e7935c0
[ 863.905412][ C3] R13: 000056059e7742a0 R14: 0000000000000001 R15: 000056059e7935c0
[ 863.905716][ C3]
[ 863.905855][ C3] handlers:
[ 863.905999][ C3] [] serial8250_interrupt
[ 863.906409][ C3] Disabling IRQ #4
WAIT TIMEOUT stderr
Ctrl-C stderr
Ctrl-C stderr
WAIT TIMEOUT stderr