[ 1288.712506][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 1288.712916][ C3] CPU: 3 UID: 0 PID: 6813 Comm: perl Not tainted 6.12.0-rc5-virtme #1
[ 1288.713184][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1288.713555][ C3] Call Trace:
[ 1288.713685][ C3]
[ 1288.713770][ C3] dump_stack_lvl+0x82/0xd0
[ 1288.713957][ C3] __report_bad_irq+0x5f/0x180
[ 1288.714123][ C3] note_interrupt+0x6b3/0x860
[ 1288.714287][ C3] handle_irq_event+0x16d/0x1c0
[ 1288.714467][ C3] handle_edge_irq+0x1fa/0xb60
[ 1288.714632][ C3] __common_interrupt+0x82/0x170
[ 1288.714819][ C3] common_interrupt+0x81/0xa0
[ 1288.714988][ C3]
[ 1288.715073][ C3]
[ 1288.715155][ C3] asm_common_interrupt+0x26/0x40
[ 1288.715312][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 1288.715522][ C3] Code: 10 e8 41 0c 87 fd 48 89 ef e8 59 7d 87 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 55 74 9a 47 <74> 0e 5b 5d c3 cc cc cc cc e8 df 4f ac fd eb dc 0f 1f 44 00 00 5b
[ 1288.716078][ C3] RSP: 0018:ffffc9000131faa0 EFLAGS: 00000286
[ 1288.716282][ C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff773f2bf
[ 1288.716515][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb8695481
[ 1288.716755][ C3] RBP: ffffffffbc2bd460 R08: 0000000000000001 R09: fffffbfff773a3d0
[ 1288.716993][ C3] R10: ffffffffbb9d1e87 R11: 0000000000000000 R12: 00000000ffffffff
[ 1288.717226][ C3] R13: 0000000000000001 R14: ffffffffbc2bd568 R15: 00000000ffffffff
[ 1288.717471][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 1288.717676][ C3] uart_write+0x220/0x920
[ 1288.717801][ C3] process_output_block+0x13e/0x790
[ 1288.717968][ C3] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1288.718175][ C3] n_tty_write+0x40c/0x790
[ 1288.718345][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 1288.718507][ C3] ? trace_lock_acquire+0x14d/0x1f0
[ 1288.718668][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 1288.718833][ C3] ? iterate_tty_write+0x8f/0x540
[ 1288.718999][ C3] ? lock_acquire+0x32/0xc0
[ 1288.719164][ C3] ? iterate_tty_write+0x8f/0x540
[ 1288.719337][ C3] iterate_tty_write+0x222/0x540
[ 1288.719502][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 1288.719668][ C3] file_tty_write.constprop.0+0x1cf/0x360
[ 1288.719831][ C3] vfs_write+0xa81/0x11e0
[ 1288.719962][ C3] ? __pfx___lock_release+0x10/0x10
[ 1288.720125][ C3] ? trace_lock_acquire+0x14d/0x1f0
[ 1288.720282][ C3] ? __might_fault+0xc3/0x170
[ 1288.720441][ C3] ? lock_acquire+0x32/0xc0
[ 1288.720602][ C3] ? __pfx_vfs_write+0x10/0x10
[ 1288.720769][ C3] ? trace_rseq_update+0xe2/0x140
[ 1288.720941][ C3] ? __rseq_handle_notify_resume+0x288/0x3e0
[ 1288.721154][ C3] ksys_write+0xf5/0x1e0
[ 1288.721280][ C3] ? __pfx_ksys_write+0x10/0x10
[ 1288.721448][ C3] do_syscall_64+0xc1/0x1d0
[ 1288.721605][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1288.721802][ C3] RIP: 0033:0x7f19cea66957
[ 1288.721988][ 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
[ 1288.722563][ C3] RSP: 002b:00007ffe079b4898 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1288.722811][ C3] RAX: ffffffffffffffda RBX: 00005578029402b0 RCX: 00007f19cea66957
[ 1288.723050][ C3] RDX: 0000000000000001 RSI: 00005578029402b0 RDI: 0000000000000001
[ 1288.723302][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1288.723539][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055780292b5e0
[ 1288.723787][ C3] R13: 000055780290c2a0 R14: 0000000000000001 R15: 000055780292b5e0
[ 1288.724055][ C3]
[ 1288.724174][ C3] handlers:
[ 1288.724295][ C3] [] serial8250_interrupt
[ 1288.724968][ C3] Disabling IRQ #4