Dec 10 12:17:36 dom0 kernel: irq 18: nobody cared (try booting with the "irqpoll" option)
Dec 10 12:17:36 dom0 kernel: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.19.8-100.fc20.x86_64 #1
Dec 10 12:17:36 dom0 kernel: Hardware name: Gigabyte Technology Co., Ltd. To be filled by O.E.M./Z77-DS3H, BIOS F11a 11/13/2013
Dec 10 12:17:36 dom0 kernel: 0000000000000000 f52f2dabf0d2e508 ffff880409203d98 ffffffff8175c199
Dec 10 12:17:36 dom0 kernel: 0000000000000000 ffff8803ff971c00 ffff880409203dc8 ffffffff810f32f6
Dec 10 12:17:36 dom0 kernel: ffff8803ff52df80 ffff8803ff971c00 0000000000000012 0000000000000000
Dec 10 12:17:36 dom0 kernel: Call Trace:
Dec 10 12:17:36 dom0 kernel: <IRQ>  [<ffffffff8175c199>] dump_stack+0x45/0x57
Dec 10 12:17:36 dom0 kernel: [<ffffffff810f32f6>] __report_bad_irq+0x36/0xd0
Dec 10 12:17:36 dom0 kernel: [<ffffffff810f37f6>] note_interrupt+0x226/0x270
Dec 10 12:17:36 dom0 kernel: [<ffffffff81490699>] ? add_interrupt_randomness+0x49/0x200
Dec 10 12:17:36 dom0 kernel: [<ffffffff810f0dde>] handle_irq_event_percpu+0xae/0x1a0
Dec 10 12:17:36 dom0 kernel: [<ffffffff810f0f0b>] handle_irq_event+0x3b/0x60
Dec 10 12:17:36 dom0 kernel: [<ffffffff810f3c99>] handle_fasteoi_irq+0x79/0x130
Dec 10 12:17:36 dom0 kernel: [<ffffffff810f035b>] generic_handle_irq+0x2b/0x40
Dec 10 12:17:36 dom0 kernel: [<ffffffff814536aa>] evtchn_fifo_handle_events+0x17a/0x190
Dec 10 12:17:36 dom0 kernel: [<ffffffff8145042f>] __xen_evtchn_do_upcall+0x4f/0x90
Dec 10 12:17:36 dom0 kernel: [<ffffffff81452364>] xen_evtchn_do_upcall+0x34/0x50
Dec 10 12:17:36 dom0 kernel: [<ffffffff8176515e>] xen_do_hypervisor_callback+0x1e/0x30
Dec 10 12:17:36 dom0 kernel: <EOI>  [<ffffffff810013aa>] ? xen_hypercall_sched_op+0xa/0x20
Dec 10 12:17:36 dom0 kernel: [<ffffffff810013aa>] ? xen_hypercall_sched_op+0xa/0x20
Dec 10 12:17:36 dom0 kernel: [<ffffffff8100a3e0>] ? xen_safe_halt+0x10/0x20
Dec 10 12:17:36 dom0 kernel: [<ffffffff8101f60e>] ? default_idle+0x1e/0xc0
Dec 10 12:17:36 dom0 kernel: [<ffffffff8102005f>] ? arch_cpu_idle+0xf/0x20
Dec 10 12:17:36 dom0 kernel: [<ffffffff810dc5b8>] ? cpu_startup_entry+0x378/0x3b0
Dec 10 12:17:36 dom0 kernel: [<ffffffff8174e6f7>] ? rest_init+0x77/0x80
Dec 10 12:17:36 dom0 kernel: [<ffffffff81d4015a>] ? start_kernel+0x4b6/0x4d7
Dec 10 12:17:36 dom0 kernel: [<ffffffff81d3fa94>] ? set_init_arg+0x55/0x55
Dec 10 12:17:36 dom0 kernel: [<ffffffff81d3f5ee>] ? x86_64_start_reservations+0x2a/0x2c
Dec 10 12:17:36 dom0 kernel: [<ffffffff81d42aa9>] ? xen_start_kernel+0x538/0x544
Dec 10 12:17:36 dom0 kernel: handlers:
Dec 10 12:17:36 dom0 kernel: [<ffffffffa001cb10>] xen_pcibk_guest_interrupt [xen_pciback]
Dec 10 12:17:36 dom0 kernel: Disabling IRQ #18