[  318.256012] irq 4: nobody cared (try booting with the "irqpoll" option)
[  318.256155] CPU: 3 PID: 2031 Comm: perl Not tainted 6.9.0-rc3-virtme #1
[  318.256213] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  318.256303] Call Trace:
[  318.256331]  <IRQ>
[  318.256355]  dump_stack_lvl+0x55/0x70
[  318.256398]  __report_bad_irq+0x2b/0xc0
[  318.256436]  note_interrupt+0x2a7/0x2f0
[  318.256473]  handle_irq_event+0x72/0x80
[  318.256508]  handle_edge_irq+0x8b/0x230
[  318.256540]  __common_interrupt+0x3e/0xb0
[  318.256573]  common_interrupt+0x81/0xa0
[  318.256608]  </IRQ>
[  318.256629]  <TASK>
[  318.256647]  asm_common_interrupt+0x26/0x40
[  318.256683] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  318.256729] 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 2e 4b <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  318.256853] RSP: 0018:ffffbd1c4093bd38 EFLAGS: 00000286
[  318.256899] RAX: 0000000000000000 RBX: ffffffffb60ce240 RCX: 0000000000000017
[  318.256955] RDX: ffffffffb4949ece RSI: 0000000000000282 RDI: ffffffffb60ce240
[  318.257015] RBP: 0000000000000001 R08: 0000004a2cefa5d9 R09: 0000000000000001
[  318.257076] R10: ffff937441e8b9f8 R11: 0000000000000000 R12: 0000000000000001
[  318.257134] R13: 0000000000000000 R14: ffff937441e8bc01 R15: ffff937441fa8000
[  318.257195]  ? rpm_suspend+0x1ae/0x5e0
[  318.257236]  uart_write+0x103/0x1d0
[  318.257270]  n_tty_write+0x1a4/0x520
[  318.257305]  ? __pfx_woken_wake_function+0x10/0x10
[  318.257349]  file_tty_write.constprop.0+0x15b/0x340
[  318.257389]  vfs_write+0x336/0x460
[  318.257431]  ksys_write+0x63/0xe0
[  318.257461]  do_syscall_64+0xa8/0x1b0
[  318.257494]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.257537] RIP: 0033:0x7f55d8112957
[  318.257571] 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
[  318.257699] RSP: 002b:00007ffd0a724008 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  318.257756] RAX: ffffffffffffffda RBX: 0000564e750f4fd0 RCX: 00007f55d8112957
[  318.257814] RDX: 0000000000000001 RSI: 0000564e750f4fd0 RDI: 0000000000000001
[  318.257871] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  318.257927] R10: 0000000000000001 R11: 0000000000000246 R12: 0000564e750e1560
[  318.257985] R13: 0000564e750c22a0 R14: 0000000000000001 R15: 0000564e750e1560
[  318.258043]  </TASK>
[  318.258064] handlers:
[  318.258085] [<0000000093fef477>] serial8250_interrupt
[  318.258132] Disabling IRQ #4

WAIT TIMEOUT stderr

Ctrl-C stderr

Ctrl-C stderr

WAIT TIMEOUT stderr