[ 830.540925][ T2525] Mirror/redirect action on
[ 874.103059][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 874.103477][ C3] CPU: 3 PID: 2380 Comm: perl Not tainted 6.8.0-rc6-virtme #1
[ 874.103728][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 874.104102][ C3] Call Trace:
[ 874.104236][ C3]
[ 874.104328][ C3] dump_stack_lvl+0x64/0xb0
[ 874.104506][ C3] __report_bad_irq+0x5f/0x180
[ 874.104677][ C3] note_interrupt+0x6b3/0x860
[ 874.104852][ C3] handle_irq_event+0x16d/0x1c0
[ 874.105019][ C3] handle_edge_irq+0x1fa/0xb60
[ 874.105189][ C3] __common_interrupt+0x7c/0x180
[ 874.105364][ C3] common_interrupt+0x7e/0x90
[ 874.105533][ C3]
[ 874.105620][ C3]
[ 874.105705][ C3] asm_common_interrupt+0x26/0x40
[ 874.105869][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 874.106095][ C3] Code: 10 e8 d1 81 a3 fd 48 89 ef e8 f9 ed a3 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 f5 13 19 6f <74> 0e 5b 5d c3 cc cc cc cc e8 1f aa c5 fd eb dc 0f 1f 44 00 00 5b
[ 874.106689][ C3] RSP: 0018:ffffc900017bfa88 EFLAGS: 00000286
[ 874.106914][ C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff28198b8
[ 874.107166][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff90ea9ee1
[ 874.107407][ C3] RBP: ffffffff949aabe0 R08: 0000000000000001 R09: fffffbfff2814a78
[ 874.107650][ C3] R10: ffffffff940a53c7 R11: 0000000000000000 R12: 00000000000001da
[ 874.107894][ C3] R13: ffffffff949aace8 R14: ffffffff949aabe0 R15: ffff8880044b0000
[ 874.108152][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 874.108362][ C3] uart_write+0x220/0x440
[ 874.108491][ C3] process_output_block+0x13e/0x790
[ 874.108664][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 874.108867][ C3] n_tty_write+0x414/0x7a0
[ 874.109035][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 874.109198][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 874.109368][ C3] ? lock_acquire+0x1c1/0x220
[ 874.109525][ C3] ? iterate_tty_write+0x95/0x540
[ 874.109698][ C3] iterate_tty_write+0x229/0x540
[ 874.109864][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 874.110036][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 874.110201][ C3] vfs_write+0x9e9/0x10a0
[ 874.110324][ C3] ? lock_acquire+0x1c1/0x220
[ 874.110495][ C3] ? __pfx_vfs_write+0x10/0x10
[ 874.110660][ C3] ? __might_fault+0xc6/0x180
[ 874.110833][ C3] ? kvm_clock_get_cycles+0x18/0x30
[ 874.110997][ C3] ? __fget_light+0x54/0x1e0
[ 874.111170][ C3] ksys_write+0xf5/0x1e0
[ 874.111294][ C3] ? __pfx_ksys_write+0x10/0x10
[ 874.111463][ C3] do_syscall_64+0xc9/0x1e0
[ 874.111625][ C3] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 874.111833][ C3] RIP: 0033:0x7ff9ec64b957
[ 874.112000][ 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
[ 874.112570][ C3] RSP: 002b:00007ffd86ad6928 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 874.112824][ C3] RAX: ffffffffffffffda RBX: 000055fdf5d6b070 RCX: 00007ff9ec64b957
[ 874.113076][ C3] RDX: 0000000000000001 RSI: 000055fdf5d6b070 RDI: 0000000000000001
[ 874.113325][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 874.113571][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055fdf5d57590
[ 874.113820][ C3] R13: 000055fdf5d382a0 R14: 0000000000000001 R15: 000055fdf5d57590
[ 874.114082][ C3]
[ 874.114235][ C3] handlers:
[ 874.114357][ C3] [] serial8250_interrupt
[ 874.114685][ C3] Disabling IRQ #4
WAIT TIMEOUT stderr
Ctrl-C stderr
Ctrl-C stderr
WAIT TIMEOUT stderr