[ 780.791599][ T3690] Mirror/redirect action on
[ 830.457719][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 830.458095][ C3] CPU: 3 PID: 3534 Comm: perl Not tainted 6.9.0-rc1-virtme #1
[ 830.458331][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 830.458684][ C3] Call Trace:
[ 830.458805][ C3]
[ 830.458891][ C3] dump_stack_lvl+0x82/0xd0
[ 830.459270][ C3] __report_bad_irq+0x5f/0x180
[ 830.459432][ C3] note_interrupt+0x6b3/0x860
[ 830.459591][ C3] handle_irq_event+0x16d/0x1c0
[ 830.459747][ C3] handle_edge_irq+0x1fa/0xb60
[ 830.459907][ C3] __common_interrupt+0x7c/0x180
[ 830.460069][ C3] common_interrupt+0x7e/0x90
[ 830.460233][ C3]
[ 830.460318][ C3]
[ 830.460399][ C3] asm_common_interrupt+0x26/0x40
[ 830.460555][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 830.460770][ C3] Code: 10 e8 01 6a 9b fd 48 89 ef e8 39 da 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 e5 df 2f 5f <74> 0e 5b 5d c3 cc cc cc cc e8 2f d4 be fd eb dc 0f 1f 44 00 00 5b
[ 830.461312][ C3] RSP: 0018:ffffc90002b5fa80 EFLAGS: 00000286
[ 830.461516][ C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff47e80f0
[ 830.461743][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa0d3e831
[ 830.461977][ C3] RBP: ffffffffa48211a0 R08: 0000000000000001 R09: fffffbfff47e32b0
[ 830.462215][ C3] R10: ffffffffa3f19587 R11: 0000000000000000 R12: 000000000000034d
[ 830.462443][ C3] R13: ffffffffa48212a8 R14: ffffffffa48211a0 R15: ffff888004900000
[ 830.462677][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 830.462884][ C3] uart_write+0x224/0x450
[ 830.463010][ C3] process_output_block+0x13e/0x790
[ 830.463170][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370
[ 830.463371][ C3] n_tty_write+0x412/0x7a0
[ 830.463536][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 830.463693][ C3] ? trace_lock_acquire+0x135/0x1c0
[ 830.463848][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 830.464002][ C3] ? iterate_tty_write+0x95/0x540
[ 830.464163][ C3] ? lock_acquire+0x32/0xc0
[ 830.464319][ C3] ? iterate_tty_write+0x95/0x540
[ 830.464482][ C3] iterate_tty_write+0x228/0x540
[ 830.464650][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 830.464819][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 830.464977][ C3] vfs_write+0x9e5/0x10a0
[ 830.465098][ C3] ? __pfx___lock_release+0x10/0x10
[ 830.465254][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 830.465408][ C3] ? __pfx_vfs_write+0x10/0x10
[ 830.465568][ C3] ? clockevents_program_event+0xf6/0x300
[ 830.465731][ C3] ? ktime_get+0xb3/0x190
[ 830.465854][ C3] ? __fget_light+0x53/0x1e0
[ 830.466018][ C3] ksys_write+0xf5/0x1e0
[ 830.466140][ C3] ? __pfx_ksys_write+0x10/0x10
[ 830.466301][ C3] do_syscall_64+0xc6/0x1e0
[ 830.466458][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 830.466647][ C3] RIP: 0033:0x7f7d64f99957
[ 830.466808][ 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
[ 830.467348][ C3] RSP: 002b:00007ffc5d9a71a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 830.467590][ C3] RAX: ffffffffffffffda RBX: 0000563ebcd671b0 RCX: 00007f7d64f99957
[ 830.467814][ C3] RDX: 0000000000000001 RSI: 0000563ebcd671b0 RDI: 0000000000000001
[ 830.468047][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 830.468286][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 0000563ebcd53590
[ 830.468514][ C3] R13: 0000563ebcd342a0 R14: 0000000000000001 R15: 0000563ebcd53590
[ 830.468751][ C3]
[ 830.468870][ C3] handlers:
[ 830.468998][ C3] [] serial8250_interrupt
[ 830.469357][ C3] Disabling IRQ #4
WAIT TIMEOUT stderr
Ctrl-C stderr
Ctrl-C stderr
WAIT TIMEOUT stderr