[  328.569718] irq 4: nobody cared (try booting with the "irqpoll" option)
[  328.569834] CPU: 3 PID: 3106 Comm: perl Not tainted 6.8.0-virtme #1
[  328.569890] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  328.569983] Call Trace:
[  328.570012]  <IRQ>
[  328.570041]  dump_stack_lvl+0x37/0x50
[  328.570090]  __report_bad_irq+0x2b/0xc0
[  328.570131]  note_interrupt+0x2a7/0x2f0
[  328.570170]  handle_irq_event+0x72/0x80
[  328.570206]  handle_edge_irq+0x8b/0x230
[  328.570242]  __common_interrupt+0x3e/0xb0
[  328.570282]  common_interrupt+0x81/0xa0
[  328.570320]  </IRQ>
[  328.570345]  <TASK>
[  328.570364]  asm_common_interrupt+0x26/0x40
[  328.570406] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  328.570460] 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 88 0f 46 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  328.570612] RSP: 0018:ffffba29406dbd38 EFLAGS: 00000286
[  328.570663] RAX: 0000000000000000 RBX: ffffffffbb2b9860 RCX: 0000000000000017
[  328.570721] RDX: ffffffffb9b3723a RSI: 0000000000000286 RDI: ffffffffbb2b9860
[  328.570773] RBP: 0000000000000001 R08: 0000004c8f792e1b R09: 0000000000000001
[  328.570835] R10: ffff90ca821605f8 R11: 0000000000000000 R12: 0000000000000001
[  328.570892] R13: 0000000000000000 R14: ffff90ca82160c01 R15: ffff90ca81e14000
[  328.570956]  ? rpm_suspend+0x21a/0x6a0
[  328.570997]  uart_write+0x103/0x1d0
[  328.571039]  n_tty_write+0x1a4/0x520
[  328.571076]  ? __pfx_woken_wake_function+0x10/0x10
[  328.571123]  file_tty_write.constprop.0+0x15b/0x340
[  328.571170]  vfs_write+0x336/0x460
[  328.571207]  ksys_write+0x63/0xe0
[  328.571244]  do_syscall_64+0xad/0x1b0
[  328.571282]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  328.571332] RIP: 0033:0x7efc5ae2c957
[  328.571368] 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
[  328.571518] RSP: 002b:00007fff21c04ca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  328.571588] RAX: ffffffffffffffda RBX: 000055e8a15fbe70 RCX: 00007efc5ae2c957
[  328.571658] RDX: 0000000000000001 RSI: 000055e8a15fbe70 RDI: 0000000000000001
[  328.571717] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  328.571768] R10: 0000000000000001 R11: 0000000000000246 R12: 000055e8a15e8530
[  328.571819] R13: 000055e8a15c92a0 R14: 0000000000000001 R15: 000055e8a15e8530
[  328.571870]  </TASK>
[  328.571890] handlers:
[  328.571915] [<00000000ab690b29>] serial8250_interrupt
[  328.571960] Disabling IRQ #4

WAIT TIMEOUT stderr

Ctrl-C stderr

Ctrl-C stderr

WAIT TIMEOUT stderr