[  319.280954] irq 4: nobody cared (try booting with the "irqpoll" option)
[  319.281066] CPU: 3 PID: 3261 Comm: perl Not tainted 6.9.0-rc3-virtme #1
[  319.281108] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  319.281174] Call Trace:
[  319.281192]  <IRQ>
[  319.281211]  dump_stack_lvl+0x55/0x70
[  319.281246]  __report_bad_irq+0x2b/0xc0
[  319.281274]  note_interrupt+0x2a7/0x2f0
[  319.281298]  handle_irq_event+0x72/0x80
[  319.281323]  handle_edge_irq+0x8b/0x230
[  319.281348]  __common_interrupt+0x3e/0xb0
[  319.281379]  common_interrupt+0x81/0xa0
[  319.281405]  </IRQ>
[  319.281421]  <TASK>
[  319.281440]  asm_common_interrupt+0x26/0x40
[  319.281470] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  319.281509] 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 5b <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  319.281618] RSP: 0018:ffffbefb40723d38 EFLAGS: 00000286
[  319.281653] RAX: 0000000000000000 RBX: ffffffffa62ce240 RCX: 0000000000000017
[  319.281697] RDX: ffffffffa4b49ece RSI: 0000000000000282 RDI: ffffffffa62ce240
[  319.281742] RBP: 0000000000000001 R08: 0000004a6820d445 R09: 0000000000000001
[  319.281786] R10: ffff9f83c1e989f8 R11: 0000000000000000 R12: 0000000000000001
[  319.281829] R13: 0000000000000000 R14: ffff9f83c1e98c01 R15: ffff9f83c1e14000
[  319.281869]  ? rpm_suspend+0x1ae/0x5e0
[  319.281901]  uart_write+0x103/0x1d0
[  319.281934]  n_tty_write+0x1a4/0x520
[  319.281967]  ? __pfx_woken_wake_function+0x10/0x10
[  319.282009]  file_tty_write.constprop.0+0x15b/0x340
[  319.282050]  vfs_write+0x336/0x460
[  319.282080]  ksys_write+0x63/0xe0
[  319.282105]  do_syscall_64+0xa8/0x1b0
[  319.282129]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  319.282163] RIP: 0033:0x7f0b264b9957
[  319.282189] 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
[  319.282295] RSP: 002b:00007ffcfbb1a778 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  319.282339] RAX: ffffffffffffffda RBX: 0000560eb31befb0 RCX: 00007f0b264b9957
[  319.282382] RDX: 0000000000000001 RSI: 0000560eb31befb0 RDI: 0000000000000001
[  319.282427] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  319.282470] R10: 0000000000000001 R11: 0000000000000246 R12: 0000560eb31ab530
[  319.282509] R13: 0000560eb318c2a0 R14: 0000000000000001 R15: 0000560eb31ab530
[  319.282559]  </TASK>
[  319.282577] handlers:
[  319.282595] [<0000000049b5d574>] serial8250_interrupt
[  319.282631] Disabling IRQ #4

WAIT TIMEOUT stderr

Ctrl-C stderr

Ctrl-C stderr

WAIT TIMEOUT stderr