[  283.121879] irq 4: nobody cared (try booting with the "irqpoll" option)
[  283.121994] CPU: 3 PID: 3704 Comm: perl Not tainted 6.8.0-virtme #1
[  283.122051] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  283.122136] Call Trace:
[  283.122166]  <IRQ>
[  283.122193]  dump_stack_lvl+0x55/0x70
[  283.122231]  __report_bad_irq+0x2b/0xc0
[  283.122264]  note_interrupt+0x2a7/0x2f0
[  283.122294]  handle_irq_event+0x72/0x80
[  283.122329]  handle_edge_irq+0x8b/0x230
[  283.122358]  __common_interrupt+0x3e/0xb0
[  283.122393]  common_interrupt+0x81/0xa0
[  283.122429]  </IRQ>
[  283.122457]  <TASK>
[  283.122474]  asm_common_interrupt+0x26/0x40
[  283.122509] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  283.122553] 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 91 0e 5f <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  283.122674] RSP: 0018:ffffc1e6c03a7d38 EFLAGS: 00000286
[  283.122716] RAX: 0000000000000000 RBX: ffffffffa22cb240 RCX: 0000000000000017
[  283.122767] RDX: ffffffffa0b45f2e RSI: 0000000000000282 RDI: ffffffffa22cb240
[  283.122819] RBP: 0000000000000001 R08: 00000041fed864b2 R09: 0000000000000001
[  283.122875] R10: ffff9fb00125c5f8 R11: 0000000000000000 R12: 0000000000000001
[  283.122926] R13: 0000000000000000 R14: ffff9fb00125cc01 R15: ffff9fb001fa4000
[  283.122978]  ? rpm_suspend+0x1ae/0x5e0
[  283.123015]  uart_write+0x103/0x1d0
[  283.123052]  n_tty_write+0x1a4/0x520
[  283.123089]  ? __pfx_woken_wake_function+0x10/0x10
[  283.123130]  file_tty_write.constprop.0+0x15b/0x340
[  283.123168]  vfs_write+0x336/0x460
[  283.123208]  ksys_write+0x63/0xe0
[  283.123242]  do_syscall_64+0xad/0x1b0
[  283.123273]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  283.123319] RIP: 0033:0x7fa07b29b957
[  283.123353] 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
[  283.123473] RSP: 002b:00007fff64fba288 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  283.123524] RAX: ffffffffffffffda RBX: 00005560b419ffb0 RCX: 00007fa07b29b957
[  283.123580] RDX: 0000000000000001 RSI: 00005560b419ffb0 RDI: 0000000000000001
[  283.123630] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  283.123682] R10: 0000000000000001 R11: 0000000000000246 R12: 00005560b418c530
[  283.123733] R13: 00005560b416d2a0 R14: 0000000000000001 R15: 00005560b418c530
[  283.123785]  </TASK>
[  283.123806] handlers:
[  283.123834] [<000000002f01ee23>] serial8250_interrupt
[  283.123871] Disabling IRQ #4

WAIT TIMEOUT stderr

Ctrl-C stderr

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WAIT TIMEOUT stderr