[ 1738.476433][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 1738.476829][ C3] CPU: 3 UID: 0 PID: 10358 Comm: perl Not tainted 6.11.0-rc5-virtme #1
[ 1738.477088][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1738.477470][ C3] Call Trace:
[ 1738.477636][ C3]
[ 1738.477721][ C3] dump_stack_lvl+0x82/0xd0
[ 1738.477892][ C3] __report_bad_irq+0x5f/0x180
[ 1738.478070][ C3] note_interrupt+0x6b3/0x860
[ 1738.478244][ C3] handle_irq_event+0x16d/0x1c0
[ 1738.478406][ C3] handle_edge_irq+0x1fa/0xb60
[ 1738.478588][ C3] __common_interrupt+0x82/0x170
[ 1738.478754][ C3] common_interrupt+0x7e/0x90
[ 1738.478951][ C3]
[ 1738.479050][ C3]
[ 1738.479153][ C3] asm_common_interrupt+0x26/0x40
[ 1738.479325][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 1738.479535][ C3] Code: 10 e8 71 f6 8c fd 48 89 ef e8 19 67 8d 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 15 37 81 7a <74> 0e 5b 5d c3 cc cc cc cc e8 cf 1f b1 fd eb dc 0f 1f 44 00 00 5b
[ 1738.480086][ C3] RSP: 0018:ffffc90006edfab8 EFLAGS: 00000286
[ 1738.480303][ C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff1178639
[ 1738.480548][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff85829181
[ 1738.480821][ C3] RBP: ffffffff89484260 R08: 0000000000000001 R09: fffffbfff1173718
[ 1738.481072][ C3] R10: ffffffff88b9b8c7 R11: 0000000000000000 R12: ffffffff89484368
[ 1738.481314][ C3] R13: ffff888005a45800 R14: ffffffff89484260 R15: 0000000000000286
[ 1738.481552][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 1738.481795][ C3] uart_write+0x13e/0x320
[ 1738.481917][ C3] process_output_block+0x13e/0x790
[ 1738.482083][ C3] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1738.482310][ C3] n_tty_write+0x412/0x7a0
[ 1738.482474][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 1738.482668][ C3] ? trace_lock_acquire+0x14d/0x1f0
[ 1738.482833][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 1738.483014][ C3] ? iterate_tty_write+0x95/0x540
[ 1738.483205][ C3] ? lock_acquire+0x32/0xc0
[ 1738.483377][ C3] ? iterate_tty_write+0x95/0x540
[ 1738.483560][ C3] iterate_tty_write+0x228/0x540
[ 1738.483747][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 1738.483936][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 1738.484107][ C3] vfs_write+0xa1b/0x10b0
[ 1738.484229][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1738.484402][ C3] ? __pfx_vfs_write+0x10/0x10
[ 1738.484562][ C3] ? clockevents_program_event+0xf6/0x300
[ 1738.484742][ C3] ? __fget_light+0x53/0x1e0
[ 1738.484924][ C3] ? clockevents_program_event+0x1ea/0x300
[ 1738.485121][ C3] ksys_write+0xf5/0x1e0
[ 1738.485264][ C3] ? __pfx_ksys_write+0x10/0x10
[ 1738.485435][ C3] do_syscall_64+0xc1/0x1d0
[ 1738.485624][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1738.485843][ C3] RIP: 0033:0x7f3bd0d4c957
[ 1738.486018][ 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
[ 1738.486608][ C3] RSP: 002b:00007fffe818ec68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1738.486873][ C3] RAX: ffffffffffffffda RBX: 000055c9bbaa82b0 RCX: 00007f3bd0d4c957
[ 1738.487127][ C3] RDX: 0000000000000001 RSI: 000055c9bbaa82b0 RDI: 0000000000000001
[ 1738.487356][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1738.487593][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055c9bba935e0
[ 1738.487856][ C3] R13: 000055c9bba742a0 R14: 0000000000000001 R15: 000055c9bba935e0
[ 1738.488120][ C3]
[ 1738.488253][ C3] handlers:
[ 1738.488381][ C3] [] serial8250_interrupt
[ 1738.489053][ C3] Disabling IRQ #4