[ 780.408836][ T3686] Mirror/redirect action on
[ 830.099044][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 830.099481][ C3] CPU: 3 PID: 3535 Comm: perl Not tainted 6.9.0-rc2-virtme #1
[ 830.099730][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 830.100105][ C3] Call Trace:
[ 830.100230][ C3]
[ 830.100317][ C3] dump_stack_lvl+0x82/0xd0
[ 830.100498][ C3] __report_bad_irq+0x5f/0x180
[ 830.100664][ C3] note_interrupt+0x6b3/0x860
[ 830.100829][ C3] handle_irq_event+0x16d/0x1c0
[ 830.100994][ C3] handle_edge_irq+0x1fa/0xb60
[ 830.101181][ C3] __common_interrupt+0x7c/0x180
[ 830.101350][ C3] common_interrupt+0x7e/0x90
[ 830.101525][ C3]
[ 830.101612][ C3]
[ 830.101698][ C3] asm_common_interrupt+0x26/0x40
[ 830.101860][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 830.102076][ C3] Code: 10 e8 81 f7 9a fd 48 89 ef e8 b9 67 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 55 6e 8f 5e <74> 0e 5b 5d c3 cc cc cc cc e8 7f 63 be fd eb dc 0f 1f 44 00 00 5b
[ 830.102654][ C3] RSP: 0018:ffffc9000299fa80 EFLAGS: 00000286
[ 830.102872][ C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff4928b22
[ 830.103129][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa17459c1
[ 830.103381][ C3] RBP: ffffffffa52261a0 R08: 0000000000000001 R09: fffffbfff4923cb0
[ 830.103642][ C3] R10: ffffffffa491e587 R11: 0000000000000000 R12: 0000000000000fdb
[ 830.103903][ C3] R13: ffffffffa52262a8 R14: ffffffffa52261a0 R15: ffff888002630000
[ 830.104161][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 830.104377][ C3] uart_write+0x224/0x450
[ 830.104514][ C3] process_output_block+0x13e/0x790
[ 830.104689][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370
[ 830.104894][ C3] n_tty_write+0x412/0x7a0
[ 830.105061][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 830.105225][ C3] ? trace_lock_acquire+0x135/0x1c0
[ 830.105389][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 830.105555][ C3] ? iterate_tty_write+0x95/0x540
[ 830.105714][ C3] ? lock_acquire+0x32/0xc0
[ 830.105886][ C3] ? iterate_tty_write+0x95/0x540
[ 830.106054][ C3] iterate_tty_write+0x228/0x540
[ 830.106246][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 830.106427][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 830.106598][ C3] vfs_write+0x9e5/0x10a0
[ 830.106726][ C3] ? __pfx___lock_release+0x10/0x10
[ 830.106889][ C3] ? trace_lock_acquire+0x135/0x1c0
[ 830.107056][ C3] ? lock_acquire+0x32/0xc0
[ 830.107225][ C3] ? __pfx_vfs_write+0x10/0x10
[ 830.107398][ C3] ? __might_fault+0x11b/0x170
[ 830.107574][ C3] ? __rseq_handle_notify_resume+0x354/0x4e0
[ 830.107814][ C3] ? __fget_light+0x53/0x1e0
[ 830.107981][ C3] ksys_write+0xf5/0x1e0
[ 830.108110][ C3] ? __pfx_ksys_write+0x10/0x10
[ 830.108282][ C3] do_syscall_64+0xc6/0x1e0
[ 830.108451][ C3] entry_SYSCALL_64_after_hwframe+0x72/0x7a
[ 830.108651][ C3] RIP: 0033:0x7fca4028b957
[ 830.108834][ 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
[ 830.109401][ C3] RSP: 002b:00007ffceb431df8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 830.109660][ C3] RAX: ffffffffffffffda RBX: 0000560bbe0f8070 RCX: 00007fca4028b957
[ 830.109899][ C3] RDX: 0000000000000001 RSI: 0000560bbe0f8070 RDI: 0000000000000001
[ 830.110138][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 830.110379][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 0000560bbe0e4590
[ 830.110630][ C3] R13: 0000560bbe0c52a0 R14: 0000000000000001 R15: 0000560bbe0e4590
[ 830.110893][ C3]
[ 830.111013][ C3] handlers:
[ 830.111149][ C3] [] serial8250_interrupt
[ 830.111532][ C3] Disabling IRQ #4
WAIT TIMEOUT stderr
Ctrl-C stderr
Ctrl-C stderr
WAIT TIMEOUT stderr