[ 957.252050][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 957.252461][ C3] CPU: 3 PID: 3398 Comm: perl Not tainted 6.9.0-virtme #1
[ 957.252687][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 957.253054][ C3] Call Trace:
[ 957.253191][ C3]
[ 957.253286][ C3] dump_stack_lvl+0x82/0xd0
[ 957.253475][ C3] __report_bad_irq+0x5f/0x180
[ 957.253652][ C3] note_interrupt+0x6b3/0x860
[ 957.253841][ C3] handle_irq_event+0x16d/0x1c0
[ 957.254015][ C3] handle_edge_irq+0x1fa/0xb60
[ 957.254187][ C3] __common_interrupt+0x82/0x170
[ 957.254344][ C3] common_interrupt+0x7e/0x90
[ 957.254515][ C3]
[ 957.254598][ C3]
[ 957.254679][ C3] asm_common_interrupt+0x26/0x40
[ 957.254837][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 957.255044][ 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 68 6d <74> 0e 5b 5d c3 cc cc cc cc e8 ef a0 b7 fd eb dc 0f 1f 44 00 00 5b
[ 957.255623][ C3] RSP: 0018:ffffc90000b7fac0 EFLAGS: 00000286
[ 957.255848][ C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff2b6ef65
[ 957.256102][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff929ba6d1
[ 957.256361][ C3] RBP: ffffffff96439020 R08: 0000000000000001 R09: fffffbfff2b6a0a8
[ 957.256629][ C3] R10: ffffffff95b50547 R11: 0000000000000000 R12: 0000000000000001
[ 957.256886][ C3] R13: 0000000000000282 R14: ffffffff96439020 R15: ffff88800281a000
[ 957.257150][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 957.257373][ C3] uart_write+0x13d/0x330
[ 957.257507][ C3] process_output_block+0x13e/0x790
[ 957.257679][ C3] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 957.257903][ C3] n_tty_write+0x412/0x7a0
[ 957.258086][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 957.258262][ C3] ? trace_lock_acquire+0x14d/0x1f0
[ 957.258429][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 957.258603][ C3] ? iterate_tty_write+0x95/0x540
[ 957.258775][ C3] ? lock_acquire+0x32/0xc0
[ 957.258937][ C3] ? iterate_tty_write+0x95/0x540
[ 957.259115][ C3] iterate_tty_write+0x228/0x540
[ 957.259273][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 957.259441][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 957.259617][ C3] vfs_write+0xa18/0x10b0
[ 957.259751][ C3] ? __pfx___lock_release+0x10/0x10
[ 957.259914][ C3] ? trace_lock_acquire+0x14d/0x1f0
[ 957.260087][ C3] ? __might_fault+0xc3/0x170
[ 957.260245][ C3] ? lock_acquire+0x32/0xc0
[ 957.260413][ C3] ? __pfx_vfs_write+0x10/0x10
[ 957.260588][ C3] ? __might_fault+0x11b/0x170
[ 957.260760][ C3] ? __rseq_handle_notify_resume+0x354/0x4e0
[ 957.260954][ C3] ? __fget_light+0x53/0x1e0
[ 957.261132][ C3] ksys_write+0xf5/0x1e0
[ 957.261260][ C3] ? __pfx_ksys_write+0x10/0x10
[ 957.261458][ C3] do_syscall_64+0xc1/0x1d0
[ 957.261624][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 957.261818][ C3] RIP: 0033:0x7f6dd4954957
[ 957.261992][ 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
[ 957.262554][ C3] RSP: 002b:00007fffd4a82558 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 957.262823][ C3] RAX: ffffffffffffffda RBX: 000055d7e39c3310 RCX: 00007f6dd4954957
[ 957.263086][ C3] RDX: 0000000000000001 RSI: 000055d7e39c3310 RDI: 0000000000000001
[ 957.263338][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 957.263600][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055d7e39af5c0
[ 957.263863][ C3] R13: 000055d7e39902a0 R14: 0000000000000001 R15: 000055d7e39af5c0
[ 957.264128][ C3]
[ 957.264253][ C3] handlers:
[ 957.264397][ C3] [] serial8250_interrupt
[ 957.264783][ C3] Disabling IRQ #4