[ 1543.235818][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 1543.236228][ C3] CPU: 3 PID: 7741 Comm: perl Not tainted 6.10.0-rc1-virtme #1
[ 1543.236470][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1543.236811][ C3] Call Trace:
[ 1543.236932][ C3]
[ 1543.237015][ C3] dump_stack_lvl+0x82/0xd0
[ 1543.237182][ C3] __report_bad_irq+0x5f/0x180
[ 1543.237338][ C3] note_interrupt+0x6b3/0x860
[ 1543.237496][ C3] handle_irq_event+0x16d/0x1c0
[ 1543.237651][ C3] handle_edge_irq+0x1fa/0xb60
[ 1543.237823][ C3] __common_interrupt+0x82/0x170
[ 1543.237979][ C3] common_interrupt+0x7e/0x90
[ 1543.238133][ C3]
[ 1543.238215][ C3]
[ 1543.238299][ C3] asm_common_interrupt+0x26/0x40
[ 1543.238452][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 1543.238652][ C3] Code: 10 e8 a1 61 93 fd 48 89 ef e8 19 d2 93 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 c5 c1 c7 4a <74> 0e 5b 5d c3 cc cc cc cc e8 2f 43 b7 fd eb dc 0f 1f 44 00 00 5b
[ 1543.239184][ C3] RSP: 0018:ffffc900052dfac0 EFLAGS: 00000286
[ 1543.239384][ C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff70af565
[ 1543.239617][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb53c0691
[ 1543.239852][ C3] RBP: ffffffffb8e3c020 R08: 0000000000000001 R09: fffffbfff70aa6a8
[ 1543.240080][ C3] R10: ffffffffb8553547 R11: 0000000000000000 R12: 0000000000000001
[ 1543.240324][ C3] R13: 0000000000000282 R14: ffffffffb8e3c020 R15: ffff8880064ee800
[ 1543.240559][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 1543.240753][ C3] uart_write+0x13d/0x330
[ 1543.240874][ C3] process_output_block+0x13e/0x790
[ 1543.241032][ C3] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1543.241228][ C3] n_tty_write+0x412/0x7a0
[ 1543.241387][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 1543.241539][ C3] ? trace_lock_acquire+0x14d/0x1f0
[ 1543.241693][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 1543.241846][ C3] ? iterate_tty_write+0x95/0x540
[ 1543.242006][ C3] ? lock_acquire+0x32/0xc0
[ 1543.242156][ C3] ? iterate_tty_write+0x95/0x540
[ 1543.242315][ C3] iterate_tty_write+0x228/0x540
[ 1543.242471][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 1543.242640][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 1543.242797][ C3] vfs_write+0xa18/0x10b0
[ 1543.242914][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1543.243072][ C3] ? __pfx_vfs_write+0x10/0x10
[ 1543.243229][ C3] ? clockevents_program_event+0xf6/0x300
[ 1543.243395][ C3] ? __fget_light+0x53/0x1e0
[ 1543.243550][ C3] ? clockevents_program_event+0x1ea/0x300
[ 1543.243750][ C3] ksys_write+0xf5/0x1e0
[ 1543.243867][ C3] ? __pfx_ksys_write+0x10/0x10
[ 1543.244033][ C3] do_syscall_64+0xc1/0x1d0
[ 1543.244188][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1543.244378][ C3] RIP: 0033:0x7efc7d341957
[ 1543.244546][ 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
[ 1543.245073][ C3] RSP: 002b:00007ffce32035c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1543.245310][ C3] RAX: ffffffffffffffda RBX: 000055694b56f1d0 RCX: 00007efc7d341957
[ 1543.245538][ C3] RDX: 0000000000000001 RSI: 000055694b56f1d0 RDI: 0000000000000001
[ 1543.245771][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1543.246003][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055694b55b5c0
[ 1543.246223][ C3] R13: 000055694b53c2a0 R14: 0000000000000001 R15: 000055694b55b5c0
[ 1543.246459][ C3]
[ 1543.246581][ C3] handlers:
[ 1543.246696][ C3] [] serial8250_interrupt
[ 1543.247050][ C3] Disabling IRQ #4