[ 2385.687048][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 2385.687471][ C3] CPU: 3 PID: 7296 Comm: perl Not tainted 6.8.0-rc5-virtme #1
[ 2385.687730][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2385.688099][ C3] Call Trace:
[ 2385.688239][ C3]
[ 2385.688331][ C3] dump_stack_lvl+0x64/0xb0
[ 2385.688565][ C3] __report_bad_irq+0x5f/0x180
[ 2385.688738][ C3] note_interrupt+0x6b3/0x860
[ 2385.688915][ C3] handle_irq_event+0x16d/0x1c0
[ 2385.689093][ C3] handle_edge_irq+0x1fa/0xb60
[ 2385.689271][ C3] __common_interrupt+0x7c/0x180
[ 2385.689440][ C3] common_interrupt+0x7e/0x90
[ 2385.689604][ C3]
[ 2385.689704][ C3]
[ 2385.689804][ C3] asm_common_interrupt+0x26/0x40
[ 2385.689972][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 2385.690199][ C3] Code: 10 e8 51 08 a4 fd 48 89 ef e8 69 90 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 69 b5 50 <74> 0e 5b 5d c3 cc cc cc cc e8 6f 4f c6 fd eb dc 0f 1f 44 00 00 5b
[ 2385.690788][ C3] RSP: 0018:ffffc90000fffa88 EFLAGS: 00000286
[ 2385.691004][ C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff6553da4
[ 2385.691256][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffaf6a4ce1
[ 2385.691509][ C3] RBP: ffffffffb3438820 R08: 0000000000000001 R09: fffffbfff654d684
[ 2385.691761][ C3] R10: ffffffffb2a6b427 R11: 0000000000000000 R12: 00000000000008bd
[ 2385.692016][ C3] R13: ffffffffb3438930 R14: ffffffffb3438820 R15: ffff888005790000
[ 2385.692271][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 2385.692488][ C3] uart_write+0x220/0x440
[ 2385.692622][ C3] process_output_block+0x13e/0x790
[ 2385.692793][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2385.692998][ C3] n_tty_write+0x414/0x7a0
[ 2385.693173][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 2385.693355][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 2385.693530][ C3] ? lock_acquire+0x1c1/0x220
[ 2385.693692][ C3] ? iterate_tty_write+0x95/0x540
[ 2385.693864][ C3] iterate_tty_write+0x229/0x540
[ 2385.694042][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 2385.694229][ C3] vfs_write+0x9e9/0x10a0
[ 2385.694360][ C3] ? lock_acquire+0x1c1/0x220
[ 2385.694526][ C3] ? __pfx_vfs_write+0x10/0x10
[ 2385.694688][ C3] ? __might_fault+0xc6/0x180
[ 2385.694872][ C3] ? kvm_clock_get_cycles+0x18/0x30
[ 2385.695048][ C3] ? __fget_light+0x54/0x1e0
[ 2385.695229][ C3] ksys_write+0xf5/0x1e0
[ 2385.695354][ C3] ? __pfx_ksys_write+0x10/0x10
[ 2385.695542][ C3] do_syscall_64+0xc9/0x1e0
[ 2385.695724][ C3] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 2385.695942][ C3] RIP: 0033:0x7f562ccd9957
[ 2385.696123][ 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
[ 2385.696743][ C3] RSP: 002b:00007ffd0898c4f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 2385.697012][ C3] RAX: ffffffffffffffda RBX: 000055c3ede85070 RCX: 00007f562ccd9957
[ 2385.697273][ C3] RDX: 0000000000000001 RSI: 000055c3ede85070 RDI: 0000000000000001
[ 2385.697544][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 2385.697804][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055c3ede71590
[ 2385.698078][ C3] R13: 000055c3ede522a0 R14: 0000000000000001 R15: 000055c3ede71590
[ 2385.698352][ C3]
[ 2385.698484][ C3] handlers:
[ 2385.698622][ C3] [] serial8250_interrupt
[ 2385.699241][ C3] Disabling IRQ #4
WAIT TIMEOUT stderr
Ctrl-C stderr
Ctrl-C stderr
WAIT TIMEOUT stderr