[  283.006781] irq 4: nobody cared (try booting with the "irqpoll" option)
[  283.006919] CPU: 3 PID: 3751 Comm: perl Not tainted 6.9.0-rc1-virtme #1
[  283.006974] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  283.007072] Call Trace:
[  283.007098]  <IRQ>
[  283.007124]  dump_stack_lvl+0x55/0x70
[  283.007165]  __report_bad_irq+0x2b/0xc0
[  283.007201]  note_interrupt+0x2a7/0x2f0
[  283.007230]  handle_irq_event+0x72/0x80
[  283.007266]  handle_edge_irq+0x8b/0x230
[  283.007295]  __common_interrupt+0x3e/0xb0
[  283.007332]  common_interrupt+0x81/0xa0
[  283.007371]  </IRQ>
[  283.007396]  <TASK>
[  283.007415]  asm_common_interrupt+0x26/0x40
[  283.007454] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  283.007499] 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 cc 74 ee 56 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  283.007643] RSP: 0018:ffffac4500623d38 EFLAGS: 00000286
[  283.007689] RAX: 0000000000000000 RBX: ffffffffaa4cb240 RCX: 0000000000000017
[  283.007753] RDX: ffffffffa8d467be RSI: 0000000000000282 RDI: ffffffffaa4cb240
[  283.007814] RBP: 0000000000000001 R08: 00000041f72411a6 R09: 0000000000000001
[  283.007870] R10: ffff8d0b812585f8 R11: 0000000000000000 R12: 0000000000000001
[  283.007923] R13: 0000000000000000 R14: ffff8d0b81258001 R15: ffff8d0b82060000
[  283.007983]  ? rpm_suspend+0x1ae/0x5e0
[  283.008021]  uart_write+0x103/0x1d0
[  283.008058]  n_tty_write+0x1a4/0x520
[  283.008093]  ? __pfx_woken_wake_function+0x10/0x10
[  283.008140]  file_tty_write.constprop.0+0x15b/0x340
[  283.008185]  vfs_write+0x336/0x460
[  283.008223]  ksys_write+0x63/0xe0
[  283.008259]  do_syscall_64+0xad/0x1b0
[  283.008297]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  283.008343] RIP: 0033:0x7f7c61914957
[  283.008375] 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
[  283.008513] RSP: 002b:00007ffec8de9438 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  283.008573] RAX: ffffffffffffffda RBX: 00005650e16c3e70 RCX: 00007f7c61914957
[  283.008632] RDX: 0000000000000001 RSI: 00005650e16c3e70 RDI: 0000000000000001
[  283.008692] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  283.008749] R10: 0000000000000001 R11: 0000000000000246 R12: 00005650e16b0530
[  283.008807] R13: 00005650e16912a0 R14: 0000000000000001 R15: 00005650e16b0530
[  283.008869]  </TASK>
[  283.008888] handlers:
[  283.008908] [<00000000dbe3b454>] serial8250_interrupt
[  283.008955] Disabling IRQ #4

WAIT TIMEOUT stderr

Ctrl-C stderr

Ctrl-C stderr

WAIT TIMEOUT stderr