[  283.463617] irq 4: nobody cared (try booting with the "irqpoll" option)
[  283.463727] CPU: 3 PID: 3751 Comm: perl Not tainted 6.8.0-virtme #1
[  283.463768] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  283.463847] Call Trace:
[  283.463866]  <IRQ>
[  283.463884]  dump_stack_lvl+0x55/0x70
[  283.463917]  __report_bad_irq+0x2b/0xc0
[  283.463947]  note_interrupt+0x2a7/0x2f0
[  283.463973]  handle_irq_event+0x72/0x80
[  283.463998]  handle_edge_irq+0x8b/0x230
[  283.464024]  __common_interrupt+0x3e/0xb0
[  283.464049]  common_interrupt+0x81/0xa0
[  283.464077]  </IRQ>
[  283.464093]  <TASK>
[  283.464106]  asm_common_interrupt+0x26/0x40
[  283.464134] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  283.464170] 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 4c 71 2e 51 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  283.464274] RSP: 0018:ffff951900603d38 EFLAGS: 00000286
[  283.464310] RAX: 0000000000000000 RBX: ffffffffb00cb240 RCX: 0000000000000017
[  283.464363] RDX: ffffffffae94643e RSI: 0000000000000282 RDI: ffffffffb00cb240
[  283.464408] RBP: 0000000000000001 R08: 000000421260f018 R09: 0000000000000001
[  283.464453] R10: ffff89dd42c0c1f8 R11: 0000000000000000 R12: 0000000000000001
[  283.464498] R13: 0000000000000000 R14: ffff89dd42c0c801 R15: ffff89dd41f50000
[  283.464545]  ? rpm_suspend+0x1ae/0x5e0
[  283.464576]  uart_write+0x103/0x1d0
[  283.464605]  n_tty_write+0x1a4/0x520
[  283.464630]  ? __pfx_woken_wake_function+0x10/0x10
[  283.464662]  file_tty_write.constprop.0+0x15b/0x340
[  283.464694]  vfs_write+0x336/0x460
[  283.464722]  ksys_write+0x63/0xe0
[  283.464747]  do_syscall_64+0xad/0x1b0
[  283.464773]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  283.464811] RIP: 0033:0x7efe7d690957
[  283.464837] 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
[  283.464934] RSP: 002b:00007ffc73c20aa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  283.464980] RAX: ffffffffffffffda RBX: 000055bae52f0e70 RCX: 00007efe7d690957
[  283.465025] RDX: 0000000000000001 RSI: 000055bae52f0e70 RDI: 0000000000000001
[  283.465064] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  283.465104] R10: 0000000000000001 R11: 0000000000000246 R12: 000055bae52dd530
[  283.465143] R13: 000055bae52be2a0 R14: 0000000000000001 R15: 000055bae52dd530
[  283.465194]  </TASK>
[  283.465209] handlers:
[  283.465222] [<00000000866cac7d>] serial8250_interrupt
[  283.465254] Disabling IRQ #4

WAIT TIMEOUT stderr

Ctrl-C stderr

Ctrl-C stderr

WAIT TIMEOUT stderr