[ 937.405847][ T4098] Mirror/redirect action on
[ 996.238623][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 996.239026][ C3] CPU: 3 PID: 3953 Comm: perl Not tainted 6.8.0-rc6-virtme #1
[ 996.239266][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 996.239688][ C3] Call Trace:
[ 996.239822][ C3]
[ 996.239907][ C3] dump_stack_lvl+0x64/0xb0
[ 996.240088][ C3] __report_bad_irq+0x5f/0x180
[ 996.240247][ C3] note_interrupt+0x6b3/0x860
[ 996.240419][ C3] handle_irq_event+0x16d/0x1c0
[ 996.240594][ C3] handle_edge_irq+0x1fa/0xb60
[ 996.240759][ C3] __common_interrupt+0x7c/0x180
[ 996.240918][ C3] common_interrupt+0x7e/0x90
[ 996.241073][ C3]
[ 996.241155][ C3]
[ 996.241234][ C3] asm_common_interrupt+0x26/0x40
[ 996.241423][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 996.241628][ C3] Code: 10 e8 81 c3 a3 fd 48 89 ef e8 a9 2f a4 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 a5 55 d9 66 <74> 0e 5b 5d c3 cc cc cc cc e8 cf eb c5 fd eb dc 0f 1f 44 00 00 5b
[ 996.242175][ C3] RSP: 0018:ffffc90008fefa88 EFLAGS: 00000286
[ 996.242375][ C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff38994b8
[ 996.242619][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff992a5d31
[ 996.242854][ C3] RBP: ffffffff9cda8be0 R08: 0000000000000001 R09: fffffbfff3894678
[ 996.243093][ C3] R10: ffffffff9c4a33c7 R11: 0000000000000000 R12: 00000000000006b5
[ 996.243330][ C3] R13: ffffffff9cda8ce8 R14: ffffffff9cda8be0 R15: ffff888002ad0000
[ 996.243570][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 996.243770][ C3] uart_write+0x220/0x440
[ 996.243911][ C3] process_output_block+0x13e/0x790
[ 996.244073][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 996.244269][ C3] n_tty_write+0x414/0x7a0
[ 996.244431][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 996.244599][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 996.244758][ C3] ? lock_acquire+0x1c1/0x220
[ 996.244909][ C3] ? iterate_tty_write+0x95/0x540
[ 996.245071][ C3] iterate_tty_write+0x229/0x540
[ 996.245233][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 996.245392][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 996.245553][ C3] vfs_write+0x9e9/0x10a0
[ 996.245672][ C3] ? lock_acquire+0x1c1/0x220
[ 996.245833][ C3] ? __pfx_vfs_write+0x10/0x10
[ 996.245985][ C3] ? __might_fault+0xc6/0x180
[ 996.246153][ C3] ? __fget_light+0x54/0x1e0
[ 996.246312][ C3] ksys_write+0xf5/0x1e0
[ 996.246433][ C3] ? __pfx_ksys_write+0x10/0x10
[ 996.246596][ C3] do_syscall_64+0xc9/0x1e0
[ 996.246764][ C3] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 996.246965][ C3] RIP: 0033:0x7f07169fb957
[ 996.247121][ 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
[ 996.247659][ C3] RSP: 002b:00007ffd75719068 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 996.247898][ C3] RAX: ffffffffffffffda RBX: 000055579c62e1b0 RCX: 00007f07169fb957
[ 996.248128][ C3] RDX: 0000000000000001 RSI: 000055579c62e1b0 RDI: 0000000000000001
[ 996.248349][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 996.248579][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055579c61a590
[ 996.248805][ C3] R13: 000055579c5fb2a0 R14: 0000000000000001 R15: 000055579c61a590
[ 996.249046][ C3]
[ 996.249160][ C3] handlers:
[ 996.249283][ C3] [] serial8250_interrupt
[ 996.250012][ C3] Disabling IRQ #4
WAIT TIMEOUT stderr
Ctrl-C stderr
Ctrl-C stderr
WAIT TIMEOUT stderr