[ 781.939375][ T3635] Mirror/redirect action on
[ 831.922438][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 831.922815][ C3] CPU: 3 PID: 3480 Comm: perl Not tainted 6.8.0-virtme #1
[ 831.923017][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 831.923377][ C3] Call Trace:
[ 831.923496][ C3]
[ 831.923590][ C3] dump_stack_lvl+0x82/0xd0
[ 831.923761][ C3] __report_bad_irq+0x5f/0x180
[ 831.923920][ C3] note_interrupt+0x6b3/0x860
[ 831.924076][ C3] handle_irq_event+0x16d/0x1c0
[ 831.924232][ C3] handle_edge_irq+0x1fa/0xb60
[ 831.924390][ C3] __common_interrupt+0x7c/0x180
[ 831.924550][ C3] common_interrupt+0x7e/0x90
[ 831.924706][ C3]
[ 831.924790][ C3]
[ 831.924892][ C3] asm_common_interrupt+0x26/0x40
[ 831.925046][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 831.925241][ C3] Code: 10 e8 01 a9 9b fd 48 89 ef e8 39 19 9c 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 65 1b f0 5e <74> 0e 5b 5d c3 cc cc cc cc e8 5f 12 bf fd eb dc 0f 1f 44 00 00 5b
[ 831.925766][ C3] RSP: 0018:ffffc9000289fa80 EFLAGS: 00000286
[ 831.925961][ C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff48680f0
[ 831.926188][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa113a931
[ 831.926424][ C3] RBP: ffffffffa4c211a0 R08: 0000000000000001 R09: fffffbfff48632b0
[ 831.926651][ C3] R10: ffffffffa4319587 R11: 0000000000000000 R12: 0000000000000be1
[ 831.926879][ C3] R13: ffffffffa4c212a8 R14: ffffffffa4c211a0 R15: ffff888004630000
[ 831.927125][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 831.927322][ C3] uart_write+0x224/0x450
[ 831.927449][ C3] process_output_block+0x13e/0x790
[ 831.927604][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370
[ 831.927795][ C3] n_tty_write+0x412/0x7a0
[ 831.927950][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 831.928099][ C3] ? trace_lock_acquire+0x135/0x1c0
[ 831.928253][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 831.928407][ C3] ? iterate_tty_write+0x95/0x540
[ 831.928563][ C3] ? lock_acquire+0x32/0xc0
[ 831.928717][ C3] ? iterate_tty_write+0x95/0x540
[ 831.928874][ C3] iterate_tty_write+0x228/0x540
[ 831.929028][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 831.929184][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 831.929338][ C3] vfs_write+0x9e5/0x10a0
[ 831.929457][ C3] ? __pfx___lock_release+0x10/0x10
[ 831.929610][ C3] ? trace_lock_acquire+0x135/0x1c0
[ 831.929765][ C3] ? lock_acquire+0x32/0xc0
[ 831.929916][ C3] ? __pfx_vfs_write+0x10/0x10
[ 831.930072][ C3] ? __might_fault+0x11b/0x170
[ 831.930229][ C3] ? __rseq_handle_notify_resume+0x354/0x4e0
[ 831.930417][ C3] ? __fget_light+0x53/0x1e0
[ 831.930572][ C3] ksys_write+0xf5/0x1e0
[ 831.930692][ C3] ? __pfx_ksys_write+0x10/0x10
[ 831.930851][ C3] do_syscall_64+0xc6/0x1e0
[ 831.931007][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 831.931192][ C3] RIP: 0033:0x7fc992ac5957
[ 831.931346][ 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
[ 831.931865][ C3] RSP: 002b:00007ffdcaf1d418 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 831.932099][ C3] RAX: ffffffffffffffda RBX: 000055decb795070 RCX: 00007fc992ac5957
[ 831.932327][ C3] RDX: 0000000000000001 RSI: 000055decb795070 RDI: 0000000000000001
[ 831.932548][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 831.932766][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055decb781590
[ 831.932989][ C3] R13: 000055decb7622a0 R14: 0000000000000001 R15: 000055decb781590
[ 831.933235][ C3]
[ 831.933347][ C3] handlers:
[ 831.933465][ C3] [] serial8250_interrupt
[ 831.933779][ C3] Disabling IRQ #4
WAIT TIMEOUT stderr
Ctrl-C stderr
Ctrl-C stderr
WAIT TIMEOUT stderr