[ 963.127984][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 963.128335][ C3] CPU: 3 PID: 3445 Comm: perl Not tainted 6.10.0-rc2-virtme #1
[ 963.128567][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 963.128928][ C3] Call Trace:
[ 963.129048][ C3]
[ 963.129136][ C3] dump_stack_lvl+0x82/0xd0
[ 963.129307][ C3] __report_bad_irq+0x5f/0x180
[ 963.129469][ C3] note_interrupt+0x6b3/0x860
[ 963.129626][ C3] handle_irq_event+0x16d/0x1c0
[ 963.129789][ C3] handle_edge_irq+0x1fa/0xb60
[ 963.129946][ C3] __common_interrupt+0x82/0x170
[ 963.130107][ C3] common_interrupt+0x7e/0x90
[ 963.130259][ C3]
[ 963.130339][ C3]
[ 963.130423][ C3] asm_common_interrupt+0x26/0x40
[ 963.130574][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 963.130779][ C3] Code: 10 e8 91 6e 92 fd 48 89 ef e8 09 df 92 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 b5 ce 86 49 <74> 0e 5b 5d c3 cc cc cc cc e8 1f 50 b6 fd eb dc 0f 1f 44 00 00 5b
[ 963.131306][ C3] RSP: 0018:ffffc90002e0fac0 EFLAGS: 00000286
[ 963.131507][ C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff733037e
[ 963.131738][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb67cf9a1
[ 963.131966][ C3] RBP: ffffffffba243020 R08: 0000000000000001 R09: fffffbfff732b4a8
[ 963.132198][ C3] R10: ffffffffb995a547 R11: 0000000000000000 R12: 0000000000000001
[ 963.132426][ C3] R13: 0000000000000282 R14: ffffffffba243020 R15: ffff88803aa0b800
[ 963.132662][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 963.132861][ C3] uart_write+0x13d/0x330
[ 963.132981][ C3] process_output_block+0x13e/0x790
[ 963.133148][ C3] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 963.133344][ C3] n_tty_write+0x412/0x7a0
[ 963.133574][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 963.133730][ C3] ? trace_lock_acquire+0x14d/0x1f0
[ 963.133896][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 963.134057][ C3] ? iterate_tty_write+0x95/0x540
[ 963.134222][ C3] ? lock_acquire+0x32/0xc0
[ 963.134374][ C3] ? iterate_tty_write+0x95/0x540
[ 963.134536][ C3] iterate_tty_write+0x228/0x540
[ 963.134693][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 963.134852][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 963.135017][ C3] vfs_write+0xa18/0x10b0
[ 963.135135][ C3] ? __pfx___lock_release+0x10/0x10
[ 963.135292][ C3] ? trace_lock_acquire+0x14d/0x1f0
[ 963.135445][ C3] ? __might_fault+0xc3/0x170
[ 963.135604][ C3] ? lock_acquire+0x32/0xc0
[ 963.135757][ C3] ? __pfx_vfs_write+0x10/0x10
[ 963.135917][ C3] ? __might_fault+0x11b/0x170
[ 963.136074][ C3] ? __rseq_handle_notify_resume+0x354/0x4e0
[ 963.136265][ C3] ? __fget_light+0x53/0x1e0
[ 963.136422][ C3] ksys_write+0xf5/0x1e0
[ 963.136541][ C3] ? __pfx_ksys_write+0x10/0x10
[ 963.136701][ C3] do_syscall_64+0xc1/0x1d0
[ 963.136854][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 963.137043][ C3] RIP: 0033:0x7f5c3de6e957
[ 963.137205][ 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
[ 963.137744][ C3] RSP: 002b:00007ffe1b42ae38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 963.137979][ C3] RAX: ffffffffffffffda RBX: 000056365bb0f1d0 RCX: 00007f5c3de6e957
[ 963.138198][ C3] RDX: 0000000000000001 RSI: 000056365bb0f1d0 RDI: 0000000000000001
[ 963.138422][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 963.138651][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000056365bafb5c0
[ 963.138873][ C3] R13: 000056365badc2a0 R14: 0000000000000001 R15: 000056365bafb5c0
[ 963.139118][ C3]
[ 963.139232][ C3] handlers:
[ 963.139348][ C3] [] serial8250_interrupt
[ 963.139668][ C3] Disabling IRQ #4