[ 3456.716663][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 3456.717138][ C3] CPU: 3 PID: 13933 Comm: perl Not tainted 6.8.0-rc5-virtme #1
[ 3456.717401][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 3456.717767][ C3] Call Trace:
[ 3456.717897][ C3]
[ 3456.717988][ C3] dump_stack_lvl+0x64/0xb0
[ 3456.718185][ C3] __report_bad_irq+0x5f/0x180
[ 3456.718355][ C3] note_interrupt+0x6b3/0x860
[ 3456.718532][ C3] handle_irq_event+0x16d/0x1c0
[ 3456.718707][ C3] handle_edge_irq+0x1fa/0xb60
[ 3456.718889][ C3] __common_interrupt+0x7c/0x180
[ 3456.719071][ C3] common_interrupt+0x7e/0x90
[ 3456.719240][ C3]
[ 3456.719329][ C3]
[ 3456.719412][ C3] asm_common_interrupt+0x26/0x40
[ 3456.719585][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 3456.719805][ C3] Code: 10 e8 d1 25 a4 fd 48 89 ef e8 f9 91 a4 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 f5 b7 99 4a <74> 0e 5b 5d c3 cc cc cc cc e8 1f 4e c6 fd eb dc 0f 1f 44 00 00 5b
[ 3456.720392][ C3] RSP: 0018:ffffc90002d8fa88 EFLAGS: 00000286
[ 3456.720610][ C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff7118aea
[ 3456.720889][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb569fae1
[ 3456.721145][ C3] RBP: ffffffffb91a3d20 R08: 0000000000000001 R09: fffffbfff7113c78
[ 3456.721403][ C3] R10: ffffffffb889e3c7 R11: 0000000000000000 R12: 0000000000000bfa
[ 3456.721672][ C3] R13: ffffffffb91a3e28 R14: ffffffffb91a3d20 R15: ffff8880049e0000
[ 3456.721940][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 3456.722175][ C3] uart_write+0x220/0x440
[ 3456.722310][ C3] process_output_block+0x13e/0x790
[ 3456.722479][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 3456.722696][ C3] n_tty_write+0x414/0x7a0
[ 3456.722872][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 3456.723043][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 3456.723208][ C3] ? lock_acquire+0x1c1/0x220
[ 3456.723378][ C3] ? iterate_tty_write+0x95/0x540
[ 3456.723560][ C3] iterate_tty_write+0x229/0x540
[ 3456.723738][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 3456.723917][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 3456.724092][ C3] vfs_write+0x9e9/0x10a0
[ 3456.724228][ C3] ? __pfx___lock_release+0x10/0x10
[ 3456.724397][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 3456.724561][ C3] ? __pfx_vfs_write+0x10/0x10
[ 3456.724732][ C3] ? hrtimer_interrupt+0x30e/0x770
[ 3456.724917][ C3] ? clockevents_program_event+0xf6/0x300
[ 3456.725093][ C3] ? kvm_clock_get_cycles+0x18/0x30
[ 3456.725264][ C3] ? __fget_light+0x54/0x1e0
[ 3456.725454][ C3] ksys_write+0xf5/0x1e0
[ 3456.725584][ C3] ? __pfx_ksys_write+0x10/0x10
[ 3456.725766][ C3] do_syscall_64+0xc9/0x1e0
[ 3456.725945][ C3] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 3456.726162][ C3] RIP: 0033:0x7f3b48f16957
[ 3456.726331][ 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
[ 3456.726922][ C3] RSP: 002b:00007ffd0d0ced78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 3456.727178][ C3] RAX: ffffffffffffffda RBX: 000055f47a5021b0 RCX: 00007f3b48f16957
[ 3456.727438][ C3] RDX: 0000000000000001 RSI: 000055f47a5021b0 RDI: 0000000000000001
[ 3456.727676][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 3456.727926][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055f47a4ee590
[ 3456.728182][ C3] R13: 000055f47a4cf2a0 R14: 0000000000000001 R15: 000055f47a4ee590
[ 3456.728437][ C3]
[ 3456.728562][ C3] handlers:
[ 3456.728697][ C3] [] serial8250_interrupt
[ 3456.729106][ C3] Disabling IRQ #4
WAIT TIMEOUT stderr
Ctrl-C stderr
Ctrl-C stderr
WAIT TIMEOUT stderr