[  418.427165] Mirror/redirect action on
[  428.783362] irq 4: nobody cared (try booting with the "irqpoll" option)
[  428.783476] CPU: 3 PID: 8044 Comm: perl Not tainted 6.9.0-rc7-virtme #1
[  428.783518] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  428.783586] Call Trace:
[  428.783627]  <IRQ>
[  428.783651]  dump_stack_lvl+0x55/0x70
[  428.783685]  __report_bad_irq+0x2b/0xc0
[  428.783715]  note_interrupt+0x2a7/0x2f0
[  428.783744]  handle_irq_event+0x72/0x80
[  428.783773]  handle_edge_irq+0x8b/0x230
[  428.783799]  __common_interrupt+0x3e/0xb0
[  428.783827]  common_interrupt+0x81/0xa0
[  428.783854]  </IRQ>
[  428.783870]  <TASK>
[  428.783889]  asm_common_interrupt+0x26/0x40
[  428.783918] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  428.783954] 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 b5 ad 5e <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  428.784048] RSP: 0018:ffffb28fc8733d38 EFLAGS: 00000286
[  428.784083] RAX: 0000000000000000 RBX: ffffffffa28cf240 RCX: 0000000000000017
[  428.784127] RDX: ffffffffa114c58e RSI: 0000000000000282 RDI: ffffffffa28cf240
[  428.784173] RBP: 0000000000000001 R08: 00000063e45d316d R09: 0000000000000001
[  428.784217] R10: ffff89e2812dc9f8 R11: 0000000000000000 R12: 0000000000000001
[  428.784261] R13: 0000000000000000 R14: ffff89e2812dcc01 R15: ffff89e281e8c000
[  428.784307]  ? rpm_suspend+0x1ae/0x5e0
[  428.784339]  uart_write+0x103/0x1d0
[  428.784369]  n_tty_write+0x1a4/0x520
[  428.784396]  ? __pfx_woken_wake_function+0x10/0x10
[  428.784430]  file_tty_write.constprop.0+0x15b/0x340
[  428.784463]  vfs_write+0x336/0x460
[  428.784494]  ksys_write+0x63/0xe0
[  428.784520]  do_syscall_64+0xa8/0x1b0
[  428.784545]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  428.784583] RIP: 0033:0x7f7257917957
[  428.784610] 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
[  428.784706] RSP: 002b:00007ffee005a298 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  428.784751] RAX: ffffffffffffffda RBX: 000055c75ea0afd0 RCX: 00007f7257917957
[  428.784805] RDX: 0000000000000001 RSI: 000055c75ea0afd0 RDI: 0000000000000001
[  428.784850] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  428.784894] R10: 0000000000000001 R11: 0000000000000246 R12: 000055c75e9f7560
[  428.784939] R13: 000055c75e9d82a0 R14: 0000000000000001 R15: 000055c75e9f7560
[  428.784985]  </TASK>
[  428.785003] handlers:
[  428.785021] [<00000000ed22bf1f>] serial8250_interrupt
[  428.785057] Disabling IRQ #4

WAIT TIMEOUT stderr

Ctrl-C stderr

Ctrl-C stderr

WAIT TIMEOUT stderr