[ 1044.033917][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 1044.034491][ C3] CPU: 3 PID: 4159 Comm: perl Not tainted 6.9.0-virtme #1
[ 1044.034842][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1044.035415][ C3] Call Trace:
[ 1044.035615][ C3]
[ 1044.035760][ C3] dump_stack_lvl+0x82/0xd0
[ 1044.036066][ C3] __report_bad_irq+0x5f/0x180
[ 1044.036332][ C3] note_interrupt+0x6b3/0x860
[ 1044.036606][ C3] handle_irq_event+0x16d/0x1c0
[ 1044.036874][ C3] handle_edge_irq+0x1fa/0xb60
[ 1044.037145][ C3] __common_interrupt+0x82/0x170
[ 1044.037409][ C3] common_interrupt+0x7e/0x90
[ 1044.037674][ C3]
[ 1044.037812][ C3]
[ 1044.037951][ C3] asm_common_interrupt+0x26/0x40
[ 1044.038218][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 1044.038539][ 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 28 73 <74> 0e 5b 5d c3 cc cc cc cc e8 ef a0 b7 fd eb dc 0f 1f 44 00 00 5b
[ 1044.039431][ C3] RSP: 0018:ffffc9000414fac0 EFLAGS: 00000286
[ 1044.039776][ C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff1feef7e
[ 1044.040188][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8cdba6d1
[ 1044.040596][ C3] RBP: ffffffff90839020 R08: 0000000000000001 R09: fffffbfff1fea0a8
[ 1044.041021][ C3] R10: ffffffff8ff50547 R11: 0000000000000000 R12: 0000000000000001
[ 1044.041419][ C3] R13: 0000000000000282 R14: ffffffff90839020 R15: ffff888005bfe800
[ 1044.041836][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 1044.042233][ C3] uart_write+0x13d/0x330
[ 1044.042447][ C3] process_output_block+0x13e/0x790
[ 1044.042717][ C3] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1044.043065][ C3] n_tty_write+0x412/0x7a0
[ 1044.043343][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 1044.043604][ C3] ? trace_lock_acquire+0x14d/0x1f0
[ 1044.043880][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 1044.044152][ C3] ? iterate_tty_write+0x95/0x540
[ 1044.044424][ C3] ? lock_acquire+0x32/0xc0
[ 1044.044689][ C3] ? iterate_tty_write+0x95/0x540
[ 1044.044969][ C3] iterate_tty_write+0x228/0x540
[ 1044.045252][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 1044.045531][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 1044.045808][ C3] vfs_write+0xa18/0x10b0
[ 1044.046016][ C3] ? __pfx___lock_release+0x10/0x10
[ 1044.046273][ C3] ? trace_lock_acquire+0x14d/0x1f0
[ 1044.046528][ C3] ? __might_fault+0xc3/0x170
[ 1044.046812][ C3] ? lock_acquire+0x32/0xc0
[ 1044.047084][ C3] ? __pfx_vfs_write+0x10/0x10
[ 1044.047354][ C3] ? __might_fault+0x11b/0x170
[ 1044.047634][ C3] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1044.047998][ C3] ? __fget_light+0x53/0x1e0
[ 1044.048289][ C3] ksys_write+0xf5/0x1e0
[ 1044.048496][ C3] ? __pfx_ksys_write+0x10/0x10
[ 1044.048796][ C3] do_syscall_64+0xc1/0x1d0
[ 1044.049064][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1044.049392][ C3] RIP: 0033:0x7f1fbc591957
[ 1044.049673][ 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
[ 1044.050594][ C3] RSP: 002b:00007ffed033bad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1044.051019][ C3] RAX: ffffffffffffffda RBX: 000055de234ae1d0 RCX: 00007f1fbc591957
[ 1044.051413][ C3] RDX: 0000000000000001 RSI: 000055de234ae1d0 RDI: 0000000000000001
[ 1044.051804][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1044.052306][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055de2349a5c0
[ 1044.052697][ C3] R13: 000055de2347b2a0 R14: 0000000000000001 R15: 000055de2349a5c0
[ 1044.053104][ C3]
[ 1044.053315][ C3] handlers:
[ 1044.053510][ C3] [] serial8250_interrupt
[ 1044.054484][ C3] Disabling IRQ #4