[  702.178859] Mirror/redirect action on
[  707.938730] tc (20545) used greatest stack depth: 11888 bytes left
[  712.223170] irq 4: nobody cared (try booting with the "irqpoll" option)
[  712.223298] CPU: 3 PID: 18784 Comm: perl Not tainted 6.9.0-rc4-virtme #1
[  712.223352] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  712.223420] Call Trace:
[  712.223444]  <IRQ>
[  712.223466]  dump_stack_lvl+0x55/0x70
[  712.223502]  __report_bad_irq+0x2b/0xc0
[  712.223532]  note_interrupt+0x2a7/0x2f0
[  712.223556]  handle_irq_event+0x72/0x80
[  712.223582]  handle_edge_irq+0x8b/0x230
[  712.223607]  __common_interrupt+0x3e/0xb0
[  712.223639]  common_interrupt+0x81/0xa0
[  712.223668]  </IRQ>
[  712.223683]  <TASK>
[  712.223702]  asm_common_interrupt+0x26/0x40
[  712.223733] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  712.223769] 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 dc 04 ae 5d <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  712.223866] RSP: 0018:ffffacd00064bd38 EFLAGS: 00000286
[  712.223900] RAX: 0000000000000000 RBX: ffffffffa38ce240 RCX: 0000000000000017
[  712.223946] RDX: ffffffffa214a04e RSI: 0000000000000282 RDI: ffffffffa38ce240
[  712.223991] RBP: 0000000000000001 R08: 000000a5e3dbbf5a R09: 0000000000000001
[  712.224037] R10: ffff9962012589f8 R11: 0000000000000000 R12: 0000000000000001
[  712.224083] R13: 0000000000000000 R14: ffff996201258c01 R15: ffff996202028000
[  712.224129]  ? rpm_suspend+0x1ae/0x5e0
[  712.224161]  uart_write+0x103/0x1d0
[  712.224190]  n_tty_write+0x1a4/0x520
[  712.224220]  ? __pfx_woken_wake_function+0x10/0x10
[  712.224254]  file_tty_write.constprop.0+0x15b/0x340
[  712.224287]  vfs_write+0x336/0x460
[  712.224323]  ksys_write+0x63/0xe0
[  712.224351]  do_syscall_64+0xa8/0x1b0
[  712.224379]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  712.224411] RIP: 0033:0x7f50f7832957
[  712.224436] 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
[  712.224533] RSP: 002b:00007ffcc1b997d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  712.224578] RAX: ffffffffffffffda RBX: 0000561667942fd0 RCX: 00007f50f7832957
[  712.224623] RDX: 0000000000000001 RSI: 0000561667942fd0 RDI: 0000000000000001
[  712.224668] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  712.224713] R10: 0000000000000001 R11: 0000000000000246 R12: 000056166792f560
[  712.224759] R13: 00005616679102a0 R14: 0000000000000001 R15: 000056166792f560
[  712.224805]  </TASK>
[  712.224823] handlers:
[  712.224836] [<0000000084214d25>] serial8250_interrupt
[  712.224873] Disabling IRQ #4

WAIT TIMEOUT stderr

Ctrl-C stderr

Ctrl-C stderr

WAIT TIMEOUT stderr