[  430.179691] irq 4: nobody cared (try booting with the "irqpoll" option)
[  430.179823] CPU: 3 PID: 4011 Comm: perl Not tainted 6.8.0-virtme #1
[  430.179867] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  430.179936] Call Trace:
[  430.179957]  <IRQ>
[  430.179979]  dump_stack_lvl+0x37/0x50
[  430.180021]  __report_bad_irq+0x2b/0xc0
[  430.180052]  note_interrupt+0x2a7/0x2f0
[  430.180076]  handle_irq_event+0x72/0x80
[  430.180106]  handle_edge_irq+0x8b/0x230
[  430.180132]  __common_interrupt+0x3e/0xb0
[  430.180167]  common_interrupt+0x81/0xa0
[  430.180196]  </IRQ>
[  430.180213]  <TASK>
[  430.180226]  asm_common_interrupt+0x26/0x40
[  430.180256] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  430.180303] 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 2f 60 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  430.180401] RSP: 0018:ffff965700863d38 EFLAGS: 00000286
[  430.180434] RAX: 0000000000000000 RBX: ffffffffa10b9860 RCX: 0000000000000017
[  430.180485] RDX: ffffffff9f93723a RSI: 0000000000000286 RDI: ffffffffa10b9860
[  430.180531] RBP: 0000000000000001 R08: 000000643b7f0c1d R09: 0000000000000001
[  430.180577] R10: ffff889f41fd8df8 R11: 0000000000000000 R12: 0000000000000001
[  430.180625] R13: 0000000000000000 R14: ffff889f41fd9001 R15: ffff889f41f6c000
[  430.180673]  ? rpm_suspend+0x21a/0x6a0
[  430.180707]  uart_write+0x103/0x1d0
[  430.180738]  n_tty_write+0x1a4/0x520
[  430.180768]  ? __pfx_woken_wake_function+0x10/0x10
[  430.180812]  file_tty_write.constprop.0+0x15b/0x340
[  430.180846]  vfs_write+0x336/0x460
[  430.180874]  ksys_write+0x63/0xe0
[  430.180898]  do_syscall_64+0xad/0x1b0
[  430.180930]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  430.180966] RIP: 0033:0x7f9160bd5957
[  430.180990] 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
[  430.181093] RSP: 002b:00007ffcfdf8c0f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  430.181140] RAX: ffffffffffffffda RBX: 0000559d8fb19e70 RCX: 00007f9160bd5957
[  430.181185] RDX: 0000000000000001 RSI: 0000559d8fb19e70 RDI: 0000000000000001
[  430.181231] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  430.181286] R10: 0000000000000001 R11: 0000000000000246 R12: 0000559d8fb06530
[  430.181327] R13: 0000559d8fae72a0 R14: 0000000000000001 R15: 0000559d8fb06530
[  430.181375]  </TASK>
[  430.181393] handlers:
[  430.181412] [<000000001080de6a>] serial8250_interrupt
[  430.181457] Disabling IRQ #4

WAIT TIMEOUT stderr

Ctrl-C stderr

Ctrl-C stderr

WAIT TIMEOUT stderr