[ 974.782538][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 974.782892][ C3] CPU: 3 UID: 0 PID: 3600 Comm: perl Not tainted 6.10.0-virtme #1
[ 974.783132][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 974.783535][ C3] Call Trace:
[ 974.783664][ C3]
[ 974.783752][ C3] dump_stack_lvl+0x82/0xd0
[ 974.783925][ C3] __report_bad_irq+0x5f/0x180
[ 974.784091][ C3] note_interrupt+0x6b3/0x860
[ 974.784251][ C3] handle_irq_event+0x16d/0x1c0
[ 974.784413][ C3] handle_edge_irq+0x1fa/0xb60
[ 974.784574][ C3] __common_interrupt+0x82/0x170
[ 974.784740][ C3] common_interrupt+0x7e/0x90
[ 974.784904][ C3]
[ 974.784985][ C3]
[ 974.785064][ C3] asm_common_interrupt+0x26/0x40
[ 974.785223][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 974.785429][ C3] Code: 10 e8 91 39 8e fd 48 89 ef e8 39 aa 8e 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 95 80 c2 45 <74> 0e 5b 5d c3 cc cc cc cc e8 5f 77 b2 fd eb dc 0f 1f 44 00 00 5b
[ 974.785971][ C3] RSP: 0018:ffffc9000170fab8 EFLAGS: 00000286
[ 974.786172][ C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff7af705b
[ 974.786410][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffba414841
[ 974.786640][ C3] RBP: ffffffffbe079320 R08: 0000000000000001 R09: fffffbfff7af2108
[ 974.786867][ C3] R10: ffffffffbd790847 R11: 0000000000000000 R12: ffffffffbe079428
[ 974.787104][ C3] R13: ffff8880062be400 R14: ffffffffbe079320 R15: 0000000000000282
[ 974.787348][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 974.787556][ C3] uart_write+0x13e/0x320
[ 974.787680][ C3] process_output_block+0x13e/0x790
[ 974.787840][ C3] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 974.788045][ C3] n_tty_write+0x412/0x7a0
[ 974.788204][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 974.788366][ C3] ? trace_lock_acquire+0x14d/0x1f0
[ 974.788523][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 974.788686][ C3] ? iterate_tty_write+0x95/0x540
[ 974.788840][ C3] ? lock_acquire+0x32/0xc0
[ 974.788991][ C3] ? iterate_tty_write+0x95/0x540
[ 974.789150][ C3] iterate_tty_write+0x228/0x540
[ 974.789307][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 974.789480][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 974.789640][ C3] vfs_write+0xa1b/0x10b0
[ 974.789760][ C3] ? __pfx___lock_release+0x10/0x10
[ 974.789910][ C3] ? trace_lock_acquire+0x14d/0x1f0
[ 974.790071][ C3] ? __might_fault+0xc3/0x170
[ 974.790230][ C3] ? lock_acquire+0x32/0xc0
[ 974.790385][ C3] ? __pfx_vfs_write+0x10/0x10
[ 974.790542][ C3] ? __might_fault+0x11b/0x170
[ 974.790695][ C3] ? __rseq_handle_notify_resume+0x354/0x4e0
[ 974.790892][ C3] ? __fget_light+0x53/0x1e0
[ 974.791057][ C3] ksys_write+0xf5/0x1e0
[ 974.791179][ C3] ? __pfx_ksys_write+0x10/0x10
[ 974.791343][ C3] do_syscall_64+0xc1/0x1d0
[ 974.791500][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 974.791689][ C3] RIP: 0033:0x7ff19f6c2957
[ 974.791847][ 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
[ 974.792387][ C3] RSP: 002b:00007ffc09928118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 974.792624][ C3] RAX: ffffffffffffffda RBX: 00005577ccd531d0 RCX: 00007ff19f6c2957
[ 974.792848][ C3] RDX: 0000000000000001 RSI: 00005577ccd531d0 RDI: 0000000000000001
[ 974.793072][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 974.793308][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 00005577ccd3f5c0
[ 974.793533][ C3] R13: 00005577ccd202a0 R14: 0000000000000001 R15: 00005577ccd3f5c0
[ 974.793773][ C3]
[ 974.793888][ C3] handlers:
[ 974.794001][ C3] [] serial8250_interrupt
[ 974.794338][ C3] Disabling IRQ #4