[ 271.471306][ T1748] Mirror/redirect action on
[ 348.453448][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 348.453802][ C3] CPU: 3 PID: 1601 Comm: perl Not tainted 6.9.0-virtme #1
[ 348.454004][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 348.454358][ C3] Call Trace:
[ 348.454479][ C3]
[ 348.454569][ C3] dump_stack_lvl+0x82/0xd0
[ 348.454736][ C3] __report_bad_irq+0x5f/0x180
[ 348.454902][ C3] note_interrupt+0x6b3/0x860
[ 348.455099][ C3] handle_irq_event+0x16d/0x1c0
[ 348.455261][ C3] handle_edge_irq+0x1fa/0xb60
[ 348.455423][ C3] __common_interrupt+0x82/0x170
[ 348.455585][ C3] common_interrupt+0x7e/0x90
[ 348.455740][ C3]
[ 348.455823][ C3]
[ 348.455906][ C3] asm_common_interrupt+0x26/0x40
[ 348.456072][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 348.456274][ C3] Code: 10 e8 d1 c5 93 fd 48 89 ef e8 49 36 94 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 1c 08 50 <74> 0e 5b 5d c3 cc cc cc cc e8 bf a9 b7 fd eb dc 0f 1f 44 00 00 5b
[ 348.456811][ C3] RSP: 0018:ffffc9000143fa88 EFLAGS: 00000286
[ 348.457007][ C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff662e71a
[ 348.457242][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffaffbab31
[ 348.457483][ C3] RBP: ffffffffb3a54580 R08: 0000000000000001 R09: fffffbfff66298a8
[ 348.457727][ C3] R10: ffffffffb314c547 R11: 0000000000000000 R12: 0000000000000233
[ 348.457958][ C3] R13: ffffffffb3a54688 R14: ffffffffb3a54580 R15: ffff888002b70000
[ 348.458198][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 348.458400][ C3] uart_write+0x224/0x450
[ 348.458528][ C3] process_output_block+0x13e/0x790
[ 348.458684][ C3] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 348.458878][ C3] n_tty_write+0x412/0x7a0
[ 348.459042][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 348.459201][ C3] ? trace_lock_acquire+0x14d/0x1f0
[ 348.459354][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 348.459512][ C3] ? iterate_tty_write+0x95/0x540
[ 348.459680][ C3] ? lock_acquire+0x32/0xc0
[ 348.459833][ C3] ? iterate_tty_write+0x95/0x540
[ 348.459992][ C3] iterate_tty_write+0x228/0x540
[ 348.460151][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 348.460307][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 348.460466][ C3] vfs_write+0x9dc/0x1070
[ 348.460584][ C3] ? __pfx___lock_release+0x10/0x10
[ 348.460735][ C3] ? trace_lock_acquire+0x14d/0x1f0
[ 348.460885][ C3] ? __might_fault+0xc3/0x170
[ 348.461049][ C3] ? lock_acquire+0x32/0xc0
[ 348.461209][ C3] ? __pfx_vfs_write+0x10/0x10
[ 348.461368][ C3] ? __might_fault+0x11b/0x170
[ 348.461525][ C3] ? __rseq_handle_notify_resume+0x354/0x4e0
[ 348.461719][ C3] ? __fget_light+0x53/0x1e0
[ 348.461881][ C3] ksys_write+0xf5/0x1e0
[ 348.462000][ C3] ? __pfx_ksys_write+0x10/0x10
[ 348.462166][ C3] do_syscall_64+0xc3/0x1d0
[ 348.462327][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 348.462523][ C3] RIP: 0033:0x7fbd76472957
[ 348.462679][ 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
[ 348.463231][ C3] RSP: 002b:00007ffeba82b478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 348.463461][ C3] RAX: ffffffffffffffda RBX: 0000557a9251f1e0 RCX: 00007fbd76472957
[ 348.463686][ C3] RDX: 0000000000000001 RSI: 0000557a9251f1e0 RDI: 0000000000000001
[ 348.463915][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 348.464151][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 0000557a9250b5c0
[ 348.464380][ C3] R13: 0000557a924ec2a0 R14: 0000000000000001 R15: 0000557a9250b5c0
[ 348.464620][ C3]
[ 348.464743][ C3] handlers:
[ 348.464864][ C3] [] serial8250_interrupt
[ 348.465184][ C3] Disabling IRQ #4
WAIT TIMEOUT stderr
Ctrl-C stderr
Ctrl-C stderr
WAIT TIMEOUT stderr