[  303.423341] Mirror/redirect action on
[  314.256331] irq 4: nobody cared (try booting with the "irqpoll" option)
[  314.256457] CPU: 3 PID: 7575 Comm: perl Not tainted 6.9.0-rc1-virtme #1
[  314.256506] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  314.256574] Call Trace:
[  314.256606]  <IRQ>
[  314.256634]  dump_stack_lvl+0x55/0x70
[  314.256666]  __report_bad_irq+0x2b/0xc0
[  314.256694]  note_interrupt+0x2a7/0x2f0
[  314.256719]  handle_irq_event+0x72/0x80
[  314.256745]  handle_edge_irq+0x8b/0x230
[  314.256770]  __common_interrupt+0x3e/0xb0
[  314.256800]  common_interrupt+0x81/0xa0
[  314.256827]  </IRQ>
[  314.256843]  <TASK>
[  314.256856]  asm_common_interrupt+0x26/0x40
[  314.256884] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  314.256934] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 c6 07 00 f7 c6 00 02 00 00 74 01 fb 65 ff 0d cc 74 8e 73 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  314.257058] RSP: 0018:ffffb30748013d38 EFLAGS: 00000286
[  314.257090] RAX: 0000000000000000 RBX: ffffffff8dacb240 RCX: 0000000000000017
[  314.257135] RDX: ffffffff8c3467be RSI: 0000000000000282 RDI: ffffffff8dacb240
[  314.257179] RBP: 0000000000000001 R08: 000000493bfc3a33 R09: 0000000000000001
[  314.257225] R10: ffffa03101e909f8 R11: 0000000000000000 R12: 0000000000000001
[  314.257269] R13: 0000000000000000 R14: ffffa03101e90c01 R15: ffffa03101fa8000
[  314.257315]  ? rpm_suspend+0x1ae/0x5e0
[  314.257347]  uart_write+0x103/0x1d0
[  314.257379]  n_tty_write+0x1a4/0x520
[  314.257409]  ? __pfx_woken_wake_function+0x10/0x10
[  314.257443]  file_tty_write.constprop.0+0x15b/0x340
[  314.257476]  vfs_write+0x336/0x460
[  314.257504]  ksys_write+0x63/0xe0
[  314.257530]  do_syscall_64+0xad/0x1b0
[  314.257557]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  314.257588] RIP: 0033:0x7f3726cb7957
[  314.257622] 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
[  314.257725] RSP: 002b:00007ffc49fd08d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  314.257770] RAX: ffffffffffffffda RBX: 000056123f6dffb0 RCX: 00007f3726cb7957
[  314.257815] RDX: 0000000000000001 RSI: 000056123f6dffb0 RDI: 0000000000000001
[  314.257860] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  314.257905] R10: 0000000000000001 R11: 0000000000000246 R12: 000056123f6cc530
[  314.257949] R13: 000056123f6ad2a0 R14: 0000000000000001 R15: 000056123f6cc530
[  314.258008]  </TASK>
[  314.258025] handlers:
[  314.258038] [<00000000252c143c>] serial8250_interrupt
[  314.258074] Disabling IRQ #4

WAIT TIMEOUT stderr

Ctrl-C stderr

Ctrl-C stderr

WAIT TIMEOUT stderr