[  325.889602] irq 4: nobody cared (try booting with the "irqpoll" option)
[  325.889727] CPU: 3 PID: 3730 Comm: perl Not tainted 6.9.0-rc3-virtme #1
[  325.889769] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  325.889836] Call Trace:
[  325.889854]  <IRQ>
[  325.889873]  dump_stack_lvl+0x55/0x70
[  325.889911]  __report_bad_irq+0x2b/0xc0
[  325.889937]  note_interrupt+0x2a7/0x2f0
[  325.889962]  handle_irq_event+0x72/0x80
[  325.889987]  handle_edge_irq+0x8b/0x230
[  325.890012]  __common_interrupt+0x3e/0xb0
[  325.890037]  common_interrupt+0x81/0xa0
[  325.890064]  </IRQ>
[  325.890080]  <TASK>
[  325.890093]  asm_common_interrupt+0x26/0x40
[  325.890120] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  325.890155] 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 dc 14 0e 64 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  325.890255] RSP: 0018:ffffbd4e805bbd38 EFLAGS: 00000286
[  325.890295] RAX: 0000000000000000 RBX: ffffffff9d2ce240 RCX: 0000000000000017
[  325.890345] RDX: ffffffff9bb49ece RSI: 0000000000000282 RDI: ffffffff9d2ce240
[  325.890393] RBP: 0000000000000001 R08: 0000004bf2dcaf8e R09: 0000000000000001
[  325.890439] R10: ffff9651c1e3fdf8 R11: 0000000000000000 R12: 0000000000000001
[  325.890483] R13: 0000000000000000 R14: ffff9651c1e3e801 R15: ffff9651c1dd4000
[  325.890528]  ? rpm_suspend+0x1ae/0x5e0
[  325.890560]  uart_write+0x103/0x1d0
[  325.890585]  n_tty_write+0x1a4/0x520
[  325.890615]  ? __pfx_woken_wake_function+0x10/0x10
[  325.890646]  file_tty_write.constprop.0+0x15b/0x340
[  325.890677]  vfs_write+0x336/0x460
[  325.890708]  ksys_write+0x63/0xe0
[  325.890738]  do_syscall_64+0xa8/0x1b0
[  325.890763]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  325.890796] RIP: 0033:0x7f4fb4e43957
[  325.890820] 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
[  325.891018] RSP: 002b:00007ffe75d0eb58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  325.891062] RAX: ffffffffffffffda RBX: 000055b9c8702e70 RCX: 00007f4fb4e43957
[  325.891106] RDX: 0000000000000001 RSI: 000055b9c8702e70 RDI: 0000000000000001
[  325.891150] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  325.891194] R10: 0000000000000001 R11: 0000000000000246 R12: 000055b9c86ef530
[  325.891238] R13: 000055b9c86d02a0 R14: 0000000000000001 R15: 000055b9c86ef530
[  325.891287]  </TASK>
[  325.891303] handlers:
[  325.891323] [<00000000b23cb7d4>] serial8250_interrupt
[  325.891370] Disabling IRQ #4

WAIT TIMEOUT stderr

Ctrl-C stderr

Ctrl-C stderr

WAIT TIMEOUT stderr