[  312.538112] Mirror/redirect action on
[  322.919766] irq 4: nobody cared (try booting with the "irqpoll" option)
[  322.919878] CPU: 3 PID: 7529 Comm: perl Not tainted 6.8.0-virtme #1
[  322.919926] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  322.920010] Call Trace:
[  322.920033]  <IRQ>
[  322.920056]  dump_stack_lvl+0x55/0x70
[  322.920089]  __report_bad_irq+0x2b/0xc0
[  322.920116]  note_interrupt+0x2a7/0x2f0
[  322.920146]  handle_irq_event+0x72/0x80
[  322.920172]  handle_edge_irq+0x8b/0x230
[  322.920196]  __common_interrupt+0x3e/0xb0
[  322.920228]  common_interrupt+0x81/0xa0
[  322.920262]  </IRQ>
[  322.920278]  <TASK>
[  322.920296]  asm_common_interrupt+0x26/0x40
[  322.920323] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  322.920363] 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 4c 91 8e 6e <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  322.920466] RSP: 0018:ffffc080c7f03d38 EFLAGS: 00000286
[  322.920508] RAX: 0000000000000000 RBX: ffffffff92acb240 RCX: 0000000000000017
[  322.920551] RDX: ffffffff91345f2e RSI: 0000000000000282 RDI: ffffffff92acb240
[  322.920594] RBP: 0000000000000001 R08: 0000004b42c3bfd9 R09: 0000000000000001
[  322.920637] R10: ffff9b138125a1f8 R11: 0000000000000000 R12: 0000000000000001
[  322.920686] R13: 0000000000000000 R14: ffff9b138125a401 R15: ffff9b1381fa8000
[  322.920738]  ? rpm_suspend+0x1ae/0x5e0
[  322.920769]  uart_write+0x103/0x1d0
[  322.920798]  n_tty_write+0x1a4/0x520
[  322.920825]  ? __pfx_woken_wake_function+0x10/0x10
[  322.920862]  file_tty_write.constprop.0+0x15b/0x340
[  322.920901]  vfs_write+0x336/0x460
[  322.920930]  ksys_write+0x63/0xe0
[  322.920953]  do_syscall_64+0xad/0x1b0
[  322.920979]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  322.921018] RIP: 0033:0x7f7a91f68957
[  322.921044] 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
[  322.921142] RSP: 002b:00007ffd84e8f958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  322.921191] RAX: ffffffffffffffda RBX: 000055f1023b6e70 RCX: 00007f7a91f68957
[  322.921234] RDX: 0000000000000001 RSI: 000055f1023b6e70 RDI: 0000000000000001
[  322.921277] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  322.921323] R10: 0000000000000001 R11: 0000000000000246 R12: 000055f1023a3530
[  322.921365] R13: 000055f1023842a0 R14: 0000000000000001 R15: 000055f1023a3530
[  322.921403]  </TASK>
[  322.921425] handlers:
[  322.921443] [<0000000089c357ad>] serial8250_interrupt
[  322.921477] Disabling IRQ #4

WAIT TIMEOUT stderr

Ctrl-C stderr

Ctrl-C stderr

WAIT TIMEOUT stderr