[ 856.612261][ T9885] Mirror/redirect action on
[ 862.850577][ T9969] tc (9969) used greatest stack depth: 22784 bytes left
[ 930.584476][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 930.584925][ C3] CPU: 3 PID: 9728 Comm: perl Not tainted 6.9.0-rc4-virtme #1
[ 930.585184][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 930.585552][ C3] Call Trace:
[ 930.585677][ C3]
[ 930.585765][ C3] dump_stack_lvl+0x82/0xd0
[ 930.585947][ C3] __report_bad_irq+0x5f/0x180
[ 930.586113][ C3] note_interrupt+0x6b3/0x860
[ 930.586280][ C3] handle_irq_event+0x16d/0x1c0
[ 930.586438][ C3] handle_edge_irq+0x1fa/0xb60
[ 930.586601][ C3] __common_interrupt+0x7c/0x180
[ 930.586774][ C3] common_interrupt+0x7e/0x90
[ 930.586936][ C3]
[ 930.587031][ C3]
[ 930.587115][ C3] asm_common_interrupt+0x26/0x40
[ 930.587282][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 930.587494][ C3] Code: 10 e8 d1 b8 9a fd 48 89 ef e8 09 29 9b 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 fd ae 6e <74> 0e 5b 5d c3 cc cc cc cc e8 0f 25 be fd eb dc 0f 1f 44 00 00 5b
[ 930.588039][ C3] RSP: 0018:ffffc90004dffa80 EFLAGS: 00000286
[ 930.588255][ C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff28e8d09
[ 930.588488][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9154ca21
[ 930.588723][ C3] RBP: ffffffff950271e0 R08: 0000000000000001 R09: fffffbfff28e3eb0
[ 930.588966][ C3] R10: ffffffff9471f587 R11: 0000000000000000 R12: 00000000000009a2
[ 930.589201][ C3] R13: ffffffff950272e8 R14: ffffffff950271e0 R15: ffff888003d90000
[ 930.589451][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 930.589652][ C3] uart_write+0x224/0x450
[ 930.589781][ C3] process_output_block+0x13e/0x790
[ 930.589942][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370
[ 930.590143][ C3] n_tty_write+0x412/0x7a0
[ 930.590306][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 930.590469][ C3] ? trace_lock_acquire+0x135/0x1c0
[ 930.590628][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 930.590800][ C3] ? iterate_tty_write+0x95/0x540
[ 930.590955][ C3] ? lock_acquire+0x32/0xc0
[ 930.591112][ C3] ? iterate_tty_write+0x95/0x540
[ 930.591282][ C3] iterate_tty_write+0x228/0x540
[ 930.591454][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 930.591625][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 930.591805][ C3] vfs_write+0x9e5/0x10a0
[ 930.591928][ C3] ? __pfx___lock_release+0x10/0x10
[ 930.592083][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 930.592246][ C3] ? __pfx_vfs_write+0x10/0x10
[ 930.592407][ C3] ? clockevents_program_event+0xf6/0x300
[ 930.592568][ C3] ? ktime_get+0xb3/0x190
[ 930.592692][ C3] ? __fget_light+0x53/0x1e0
[ 930.592852][ C3] ? clockevents_program_event+0x1ea/0x300
[ 930.593056][ C3] ksys_write+0xf5/0x1e0
[ 930.593175][ C3] ? __pfx_ksys_write+0x10/0x10
[ 930.593341][ C3] do_syscall_64+0xc3/0x1d0
[ 930.593500][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 930.593702][ C3] RIP: 0033:0x7f9bcbcd4957
[ 930.593864][ 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
[ 930.594407][ C3] RSP: 002b:00007fff0851d938 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 930.594647][ C3] RAX: ffffffffffffffda RBX: 000056126c606310 RCX: 00007f9bcbcd4957
[ 930.594877][ C3] RDX: 0000000000000001 RSI: 000056126c606310 RDI: 0000000000000001
[ 930.595104][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 930.595337][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000056126c5f25c0
[ 930.595588][ C3] R13: 000056126c5d32a0 R14: 0000000000000001 R15: 000056126c5f25c0
[ 930.595840][ C3]
[ 930.595964][ C3] handlers:
[ 930.596085][ C3] [] serial8250_interrupt
[ 930.596841][ C3] Disabling IRQ #4
WAIT TIMEOUT stderr
Ctrl-C stderr
Ctrl-C stderr
WAIT TIMEOUT stderr