[ 843.062529][ T9881] Mirror/redirect action on
[ 931.422903][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 931.423324][ C3] CPU: 3 PID: 9729 Comm: perl Not tainted 6.9.0-rc4-virtme #1
[ 931.423560][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 931.423908][ C3] Call Trace:
[ 931.424034][ C3]
[ 931.424118][ C3] dump_stack_lvl+0x82/0xd0
[ 931.424310][ C3] __report_bad_irq+0x5f/0x180
[ 931.424474][ C3] note_interrupt+0x6b3/0x860
[ 931.424639][ C3] handle_irq_event+0x16d/0x1c0
[ 931.424798][ C3] handle_edge_irq+0x1fa/0xb60
[ 931.424978][ C3] __common_interrupt+0x7c/0x180
[ 931.425154][ C3] common_interrupt+0x7e/0x90
[ 931.425339][ C3]
[ 931.425430][ C3]
[ 931.425517][ C3] asm_common_interrupt+0x26/0x40
[ 931.425688][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 931.425982][ C3] Code: 10 e8 b1 c8 9a fd 48 89 ef e8 e9 38 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 d5 0d 4f 46 <74> 0e 5b 5d c3 cc cc cc cc e8 ef 34 be fd eb dc 0f 1f 44 00 00 5b
[ 931.426547][ C3] RSP: 0018:ffffc9000505fa80 EFLAGS: 00000286
[ 931.426761][ C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff79a8d09
[ 931.427006][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb9b4ba41
[ 931.427238][ C3] RBP: ffffffffbd6271e0 R08: 0000000000000001 R09: fffffbfff79a3eb0
[ 931.427474][ C3] R10: ffffffffbcd1f587 R11: 0000000000000000 R12: 0000000000000a7b
[ 931.427709][ C3] R13: ffffffffbd6272e8 R14: ffffffffbd6271e0 R15: ffff888004820000
[ 931.427953][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 931.428156][ C3] uart_write+0x224/0x450
[ 931.428289][ C3] process_output_block+0x13e/0x790
[ 931.428449][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370
[ 931.428654][ C3] n_tty_write+0x412/0x7a0
[ 931.428825][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 931.429001][ C3] ? trace_lock_acquire+0x135/0x1c0
[ 931.429173][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 931.429347][ C3] ? iterate_tty_write+0x95/0x540
[ 931.429517][ C3] ? lock_acquire+0x32/0xc0
[ 931.429690][ C3] ? iterate_tty_write+0x95/0x540
[ 931.429862][ C3] iterate_tty_write+0x228/0x540
[ 931.430031][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 931.430205][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 931.430371][ C3] ? find_held_lock+0x2c/0x110
[ 931.430539][ C3] vfs_write+0x9e5/0x10a0
[ 931.430658][ C3] ? __pfx___lock_release+0x10/0x10
[ 931.430814][ C3] ? trace_lock_acquire+0x135/0x1c0
[ 931.430973][ C3] ? lock_acquire+0x32/0xc0
[ 931.431138][ C3] ? __pfx_vfs_write+0x10/0x10
[ 931.431299][ C3] ? __might_fault+0x11b/0x170
[ 931.431463][ C3] ? __rseq_handle_notify_resume+0x354/0x4e0
[ 931.431655][ C3] ? __fget_light+0x53/0x1e0
[ 931.431820][ C3] ksys_write+0xf5/0x1e0
[ 931.431940][ C3] ? __pfx_ksys_write+0x10/0x10
[ 931.432100][ C3] do_syscall_64+0xc3/0x1d0
[ 931.432254][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 931.432453][ C3] RIP: 0033:0x7f0ccb104957
[ 931.432609][ 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
[ 931.433159][ C3] RSP: 002b:00007ffc8f9cfa58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 931.433400][ C3] RAX: ffffffffffffffda RBX: 000055eb1b52d1d0 RCX: 00007f0ccb104957
[ 931.433627][ C3] RDX: 0000000000000001 RSI: 000055eb1b52d1d0 RDI: 0000000000000001
[ 931.433862][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 931.434089][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055eb1b5195c0
[ 931.434315][ C3] R13: 000055eb1b4fa2a0 R14: 0000000000000001 R15: 000055eb1b5195c0
[ 931.434556][ C3]
[ 931.434675][ C3] handlers:
[ 931.434798][ C3] [] serial8250_interrupt
[ 931.435140][ C3] Disabling IRQ #4
WAIT TIMEOUT stderr
Ctrl-C stderr
Ctrl-C stderr
WAIT TIMEOUT stderr