[ 1598.277355][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 1598.277791][ C3] CPU: 3 PID: 10508 Comm: perl Not tainted 6.9.0-virtme #1
[ 1598.278033][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1598.278379][ C3] Call Trace:
[ 1598.278508][ C3]
[ 1598.278593][ C3] dump_stack_lvl+0x82/0xd0
[ 1598.278763][ C3] __report_bad_irq+0x5f/0x180
[ 1598.278922][ C3] note_interrupt+0x6b3/0x860
[ 1598.279082][ C3] handle_irq_event+0x16d/0x1c0
[ 1598.279236][ C3] handle_edge_irq+0x1fa/0xb60
[ 1598.279400][ C3] __common_interrupt+0x82/0x170
[ 1598.279573][ C3] common_interrupt+0x7e/0x90
[ 1598.279729][ C3]
[ 1598.279811][ C3]
[ 1598.279890][ C3] asm_common_interrupt+0x26/0x40
[ 1598.280044][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 1598.280252][ C3] Code: 10 e8 d1 c0 93 fd 48 89 ef e8 49 31 94 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 45 21 c8 49 <74> 0e 5b 5d c3 cc cc cc cc e8 ef a0 b7 fd eb dc 0f 1f 44 00 00 5b
[ 1598.280790][ C3] RSP: 0018:ffffc900039bfac0 EFLAGS: 00000286
[ 1598.280990][ C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff72aef4c
[ 1598.281223][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb63ba6d1
[ 1598.281460][ C3] RBP: ffffffffb9e39020 R08: 0000000000000001 R09: fffffbfff72aa0a8
[ 1598.281701][ C3] R10: ffffffffb9550547 R11: 0000000000000000 R12: 0000000000000001
[ 1598.281951][ C3] R13: 0000000000000282 R14: ffffffffb9e39020 R15: ffff888006cc2000
[ 1598.282203][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 1598.282419][ C3] uart_write+0x13d/0x330
[ 1598.282547][ C3] process_output_block+0x13e/0x790
[ 1598.282706][ C3] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1598.282908][ C3] n_tty_write+0x412/0x7a0
[ 1598.283074][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 1598.283227][ C3] ? trace_lock_acquire+0x14d/0x1f0
[ 1598.283388][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 1598.283550][ C3] ? iterate_tty_write+0x95/0x540
[ 1598.283705][ C3] ? lock_acquire+0x32/0xc0
[ 1598.283868][ C3] ? iterate_tty_write+0x95/0x540
[ 1598.284037][ C3] iterate_tty_write+0x228/0x540
[ 1598.284196][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 1598.284356][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 1598.284520][ C3] vfs_write+0xa18/0x10b0
[ 1598.284638][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1598.284804][ C3] ? __pfx_vfs_write+0x10/0x10
[ 1598.284975][ C3] ? clockevents_program_event+0xf6/0x300
[ 1598.285152][ C3] ? __fget_light+0x53/0x1e0
[ 1598.285314][ C3] ? clockevents_program_event+0x1ea/0x300
[ 1598.285518][ C3] ksys_write+0xf5/0x1e0
[ 1598.285640][ C3] ? __pfx_ksys_write+0x10/0x10
[ 1598.285804][ C3] do_syscall_64+0xc1/0x1d0
[ 1598.285959][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1598.286152][ C3] RIP: 0033:0x7ff7a4001957
[ 1598.286318][ 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
[ 1598.286860][ C3] RSP: 002b:00007ffec3ac96c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1598.287103][ C3] RAX: ffffffffffffffda RBX: 00005630464bf1d0 RCX: 00007ff7a4001957
[ 1598.287333][ C3] RDX: 0000000000000001 RSI: 00005630464bf1d0 RDI: 0000000000000001
[ 1598.287556][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1598.287794][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 00005630464ab5c0
[ 1598.288020][ C3] R13: 000056304648c2a0 R14: 0000000000000001 R15: 00005630464ab5c0
[ 1598.288258][ C3]
[ 1598.288375][ C3] handlers:
[ 1598.288490][ C3] [] serial8250_interrupt
[ 1598.288854][ C3] Disabling IRQ #4