[  398.512171] Mirror/redirect action on
[  409.222721] irq 4: nobody cared (try booting with the "irqpoll" option)
[  409.222851] CPU: 3 PID: 7966 Comm: perl Not tainted 6.8.0-virtme #1
[  409.222903] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  409.222980] Call Trace:
[  409.223002]  <IRQ>
[  409.223025]  dump_stack_lvl+0x37/0x50
[  409.223067]  __report_bad_irq+0x2b/0xc0
[  409.223106]  note_interrupt+0x2a7/0x2f0
[  409.223139]  handle_irq_event+0x72/0x80
[  409.223165]  handle_edge_irq+0x8b/0x230
[  409.223189]  __common_interrupt+0x3e/0xb0
[  409.223218]  common_interrupt+0x81/0xa0
[  409.223244]  </IRQ>
[  409.223260]  <TASK>
[  409.223273]  asm_common_interrupt+0x26/0x40
[  409.223303] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  409.223338] 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 8c a8 4f 48 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  409.223432] RSP: 0018:ffffba114067bd38 EFLAGS: 00000286
[  409.223466] RAX: 0000000000000000 RBX: ffffffffb8eb9860 RCX: 0000000000000017
[  409.223535] RDX: ffffffffb773723a RSI: 0000000000000286 RDI: ffffffffb8eb9860
[  409.223587] RBP: 0000000000000001 R08: 0000005f58fb6062 R09: 0000000000000001
[  409.223631] R10: ffff9b8a420189f8 R11: 0000000000000000 R12: 0000000000000001
[  409.223675] R13: 0000000000000000 R14: ffff9b8a42018c01 R15: ffff9b8a41fe8000
[  409.223720]  ? rpm_suspend+0x21a/0x6a0
[  409.223751]  uart_write+0x103/0x1d0
[  409.223782]  n_tty_write+0x1a4/0x520
[  409.223810]  ? __pfx_woken_wake_function+0x10/0x10
[  409.223845]  file_tty_write.constprop.0+0x15b/0x340
[  409.223876]  vfs_write+0x336/0x460
[  409.223908]  ksys_write+0x63/0xe0
[  409.223942]  do_syscall_64+0xad/0x1b0
[  409.223979]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  409.224015] RIP: 0033:0x7f7f59313957
[  409.224039] 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
[  409.224132] RSP: 002b:00007ffdb011ab68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  409.224176] RAX: ffffffffffffffda RBX: 000055c837a07fb0 RCX: 00007f7f59313957
[  409.224220] RDX: 0000000000000001 RSI: 000055c837a07fb0 RDI: 0000000000000001
[  409.224275] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  409.224318] R10: 0000000000000001 R11: 0000000000000246 R12: 000055c8379f4530
[  409.224372] R13: 000055c8379d52a0 R14: 0000000000000001 R15: 000055c8379f4530
[  409.224430]  </TASK>
[  409.224442] handlers:
[  409.224455] [<00000000cf0f0cdc>] serial8250_interrupt
[  409.224490] Disabling IRQ #4

WAIT TIMEOUT stderr

Ctrl-C stderr

Ctrl-C stderr

WAIT TIMEOUT stderr