[ 2177.070700][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 2177.071112][ C3] CPU: 3 PID: 17188 Comm: perl Not tainted 6.8.0-rc6-virtme #1
[ 2177.071364][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2177.071740][ C3] Call Trace:
[ 2177.071868][ C3]
[ 2177.071965][ C3] dump_stack_lvl+0x64/0xb0
[ 2177.072150][ C3] __report_bad_irq+0x5f/0x180
[ 2177.072320][ C3] note_interrupt+0x6b3/0x860
[ 2177.072500][ C3] handle_irq_event+0x16d/0x1c0
[ 2177.072674][ C3] handle_edge_irq+0x1fa/0xb60
[ 2177.072845][ C3] __common_interrupt+0x7c/0x180
[ 2177.073023][ C3] common_interrupt+0x7e/0x90
[ 2177.073196][ C3]
[ 2177.073314][ C3]
[ 2177.073402][ C3] asm_common_interrupt+0x26/0x40
[ 2177.073574][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 2177.073792][ C3] Code: 10 e8 11 b3 a3 fd 48 89 ef e8 39 1f 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 35 45 99 5a <74> 0e 5b 5d c3 cc cc cc cc e8 5f db c5 fd eb dc 0f 1f 44 00 00 5b
[ 2177.074384][ C3] RSP: 0018:ffffc90000b1fa88 EFLAGS: 00000286
[ 2177.074607][ C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff51194d1
[ 2177.074856][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa56a6da1
[ 2177.075110][ C3] RBP: ffffffffa91a8be0 R08: 0000000000000001 R09: fffffbfff5114678
[ 2177.075353][ C3] R10: ffffffffa88a33c7 R11: 0000000000000000 R12: 0000000000000470
[ 2177.075609][ C3] R13: ffffffffa91a8ce8 R14: ffffffffa91a8be0 R15: ffff888003300000
[ 2177.075862][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 2177.076071][ C3] uart_write+0x220/0x440
[ 2177.076205][ C3] process_output_block+0x13e/0x790
[ 2177.076380][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2177.076590][ C3] n_tty_write+0x414/0x7a0
[ 2177.076760][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 2177.076925][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 2177.077099][ C3] ? lock_acquire+0x1c1/0x220
[ 2177.077297][ C3] ? iterate_tty_write+0x95/0x540
[ 2177.077497][ C3] iterate_tty_write+0x229/0x540
[ 2177.077669][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 2177.077841][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 2177.078012][ C3] vfs_write+0x9e9/0x10a0
[ 2177.078140][ C3] ? lock_acquire+0x1c1/0x220
[ 2177.078309][ C3] ? __pfx_vfs_write+0x10/0x10
[ 2177.078474][ C3] ? __might_fault+0xc6/0x180
[ 2177.078655][ C3] ? kvm_clock_get_cycles+0x18/0x30
[ 2177.078838][ C3] ? __fget_light+0x54/0x1e0
[ 2177.079015][ C3] ksys_write+0xf5/0x1e0
[ 2177.079145][ C3] ? __pfx_ksys_write+0x10/0x10
[ 2177.079327][ C3] do_syscall_64+0xc9/0x1e0
[ 2177.079495][ C3] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 2177.079701][ C3] RIP: 0033:0x7f20e3979957
[ 2177.079876][ 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
[ 2177.080482][ C3] RSP: 002b:00007ffcf4679de8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 2177.080733][ C3] RAX: ffffffffffffffda RBX: 000056020e6fa070 RCX: 00007f20e3979957
[ 2177.081006][ C3] RDX: 0000000000000001 RSI: 000056020e6fa070 RDI: 0000000000000001
[ 2177.081274][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 2177.081521][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000056020e6e6590
[ 2177.081767][ C3] R13: 000056020e6c72a0 R14: 0000000000000001 R15: 000056020e6e6590
[ 2177.082021][ C3]
[ 2177.082147][ C3] handlers:
[ 2177.082282][ C3] [] serial8250_interrupt
[ 2177.082637][ C3] Disabling IRQ #4
WAIT TIMEOUT stderr
Ctrl-C stderr
Ctrl-C stderr
WAIT TIMEOUT stderr