[ 776.375815][ T3693] Mirror/redirect action on
[ 823.006440][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 823.006861][ C3] CPU: 3 PID: 3537 Comm: perl Not tainted 6.9.0-rc2-virtme #1
[ 823.007118][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 823.007507][ C3] Call Trace:
[ 823.007635][ C3]
[ 823.007736][ C3] dump_stack_lvl+0x82/0xd0
[ 823.007924][ C3] __report_bad_irq+0x5f/0x180
[ 823.008101][ C3] note_interrupt+0x6b3/0x860
[ 823.008277][ C3] handle_irq_event+0x16d/0x1c0
[ 823.008448][ C3] handle_edge_irq+0x1fa/0xb60
[ 823.008633][ C3] __common_interrupt+0x7c/0x180
[ 823.008801][ C3] common_interrupt+0x7e/0x90
[ 823.008968][ C3]
[ 823.009055][ C3]
[ 823.009141][ C3] asm_common_interrupt+0x26/0x40
[ 823.009307][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 823.009525][ C3] Code: 10 e8 01 18 9b fd 48 89 ef e8 39 88 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 8e 0f 5c <74> 0e 5b 5d c3 cc cc cc cc e8 ff 83 be fd eb dc 0f 1f 44 00 00 5b
[ 823.010104][ C3] RSP: 0018:ffffc9000289fa80 EFLAGS: 00000286
[ 823.010318][ C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff4e28722
[ 823.010572][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa3f43941
[ 823.010819][ C3] RBP: ffffffffa7a241a0 R08: 0000000000000001 R09: fffffbfff4e238b0
[ 823.011068][ C3] R10: ffffffffa711c587 R11: 0000000000000000 R12: 0000000000000dec
[ 823.011312][ C3] R13: ffffffffa7a242a8 R14: ffffffffa7a241a0 R15: ffff888004950000
[ 823.011568][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 823.011782][ C3] uart_write+0x224/0x450
[ 823.011914][ C3] process_output_block+0x13e/0x790
[ 823.012080][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370
[ 823.012289][ C3] n_tty_write+0x412/0x7a0
[ 823.012461][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 823.012636][ C3] ? trace_lock_acquire+0x135/0x1c0
[ 823.012800][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 823.012985][ C3] ? iterate_tty_write+0x95/0x540
[ 823.013154][ C3] ? lock_acquire+0x32/0xc0
[ 823.013325][ C3] ? iterate_tty_write+0x95/0x540
[ 823.013498][ C3] iterate_tty_write+0x228/0x540
[ 823.013670][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 823.013842][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 823.014009][ C3] vfs_write+0x9e5/0x10a0
[ 823.014141][ C3] ? __pfx___lock_release+0x10/0x10
[ 823.014306][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 823.014473][ C3] ? __pfx_vfs_write+0x10/0x10
[ 823.014645][ C3] ? clockevents_program_event+0xf6/0x300
[ 823.014815][ C3] ? ktime_get+0xb3/0x190
[ 823.014938][ C3] ? __fget_light+0x53/0x1e0
[ 823.015100][ C3] ? clockevents_program_event+0x1ea/0x300
[ 823.015305][ C3] ksys_write+0xf5/0x1e0
[ 823.015429][ C3] ? __pfx_ksys_write+0x10/0x10
[ 823.015598][ C3] do_syscall_64+0xc6/0x1e0
[ 823.015765][ C3] entry_SYSCALL_64_after_hwframe+0x72/0x7a
[ 823.015967][ C3] RIP: 0033:0x7fbaf0833957
[ 823.016134][ 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
[ 823.016711][ C3] RSP: 002b:00007ffcad326c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 823.016972][ C3] RAX: ffffffffffffffda RBX: 0000558ce8f1e1b0 RCX: 00007fbaf0833957
[ 823.017219][ C3] RDX: 0000000000000001 RSI: 0000558ce8f1e1b0 RDI: 0000000000000001
[ 823.017462][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 823.017706][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 0000558ce8f0a590
[ 823.017945][ C3] R13: 0000558ce8eeb2a0 R14: 0000000000000001 R15: 0000558ce8f0a590
[ 823.018197][ C3]
[ 823.018318][ C3] handlers:
[ 823.018442][ C3] [] serial8250_interrupt
[ 823.018778][ C3] Disabling IRQ #4
WAIT TIMEOUT stderr
Ctrl-C stderr
Ctrl-C stderr
WAIT TIMEOUT stderr