[ 775.468987][ T3694] Mirror/redirect action on
[ 849.429308][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 849.429770][ C3] CPU: 3 PID: 3538 Comm: perl Not tainted 6.8.0-virtme #1
[ 849.430008][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 849.430400][ C3] Call Trace:
[ 849.430526][ C3]
[ 849.430677][ C3] dump_stack_lvl+0x82/0xd0
[ 849.430875][ C3] __report_bad_irq+0x5f/0x180
[ 849.431045][ C3] note_interrupt+0x6b3/0x860
[ 849.431216][ C3] handle_irq_event+0x16d/0x1c0
[ 849.431382][ C3] handle_edge_irq+0x1fa/0xb60
[ 849.431560][ C3] __common_interrupt+0x7c/0x180
[ 849.431730][ C3] common_interrupt+0x7e/0x90
[ 849.431897][ C3]
[ 849.431983][ C3]
[ 849.432077][ C3] asm_common_interrupt+0x26/0x40
[ 849.432244][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 849.432491][ C3] Code: 10 e8 41 88 9b fd 48 89 ef e8 79 f8 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 e5 fa 0f 58 <74> 0e 5b 5d c3 cc cc cc cc e8 9f f1 be fd eb dc 0f 1f 44 00 00 5b
[ 849.433073][ C3] RSP: 0018:ffffc9000292fa80 EFLAGS: 00000286
[ 849.433281][ C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff5628109
[ 849.433530][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa7f3c9b1
[ 849.433796][ C3] RBP: ffffffffaba211a0 R08: 0000000000000001 R09: fffffbfff56232b0
[ 849.434050][ C3] R10: ffffffffab119587 R11: 0000000000000000 R12: 00000000000008c6
[ 849.434296][ C3] R13: ffffffffaba212a8 R14: ffffffffaba211a0 R15: ffff8880028f0000
[ 849.434559][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 849.434775][ C3] uart_write+0x224/0x450
[ 849.434907][ C3] process_output_block+0x13e/0x790
[ 849.435072][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370
[ 849.435279][ C3] n_tty_write+0x412/0x7a0
[ 849.435450][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 849.435610][ C3] ? trace_lock_acquire+0x135/0x1c0
[ 849.435774][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 849.435966][ C3] ? iterate_tty_write+0x95/0x540
[ 849.436131][ C3] ? lock_acquire+0x32/0xc0
[ 849.436324][ C3] ? iterate_tty_write+0x95/0x540
[ 849.436491][ C3] iterate_tty_write+0x228/0x540
[ 849.436670][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 849.436852][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 849.437025][ C3] vfs_write+0x9e5/0x10a0
[ 849.437154][ C3] ? __pfx___lock_release+0x10/0x10
[ 849.437345][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 849.437513][ C3] ? __pfx_vfs_write+0x10/0x10
[ 849.437697][ C3] ? clockevents_program_event+0xf6/0x300
[ 849.437865][ C3] ? ktime_get+0xb3/0x190
[ 849.438042][ C3] ? __fget_light+0x53/0x1e0
[ 849.438292][ C3] ? clockevents_program_event+0x1ea/0x300
[ 849.438614][ C3] ksys_write+0xf5/0x1e0
[ 849.438798][ C3] ? __pfx_ksys_write+0x10/0x10
[ 849.439063][ C3] do_syscall_64+0xc6/0x1e0
[ 849.439308][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 849.439622][ C3] RIP: 0033:0x7facc9360957
[ 849.439882][ 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
[ 849.440745][ C3] RSP: 002b:00007ffd0a08ded8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 849.441133][ C3] RAX: ffffffffffffffda RBX: 0000558bbea5f070 RCX: 00007facc9360957
[ 849.441505][ C3] RDX: 0000000000000001 RSI: 0000558bbea5f070 RDI: 0000000000000001
[ 849.441882][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 849.442249][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 0000558bbea4b590
[ 849.442632][ C3] R13: 0000558bbea2c2a0 R14: 0000000000000001 R15: 0000558bbea4b590
[ 849.443025][ C3]
[ 849.443216][ C3] handlers:
[ 849.443408][ C3] [] serial8250_interrupt
[ 849.444444][ C3] Disabling IRQ #4
WAIT TIMEOUT stderr
Ctrl-C stderr
Ctrl-C stderr
WAIT TIMEOUT stderr