Additional info:
reporter:       libreport-2.3.0
WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/i915/intel_display.c:9916 intel_check_page_flip+0xc2/0xd0 [i915]()
Kicking stuck page flip: queued at 57856, now 57862
Modules linked in: nls_utf8 isofs bnep bluetooth rfkill fuse nf_conntrack_netbios_ns nf_conntrack_broadcast ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack ebtable_nat ebtable_broute bridge stp llc ebtable_filter ebtables ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw coretemp kvm_intel kvm snd_hda_codec_hdmi ppdev snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel i915 snd_hda_controller snd_hda_codec joydev serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm video r8169 mii i2c_algo_bit drm_kms_helper drm snd_timer mei_me parport_pc parport
 snd mei asus_atk0110 soundcore lpc_ich shpchp i2c_i801 mfd_core binfmt_misc btrfs xor raid6_pq dm_crypt crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel uas usb_storage
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.18.5-201.fc21.x86_64 #1
Hardware name: System manufacturer System Product Name/P7H55-M/USB3, BIOS 1105    04/25/2011
 0000000000000000 c5fb342ab93d4de9 ffff88031fc03cf8 ffffffff8175e196
 0000000000000000 ffff88031fc03d50 ffff88031fc03d38 ffffffff810991a1
 ffff88031fc03d48 ffff88030cdee000 ffff88030d6a3000 0000000000000000
Call Trace:
 <IRQ>  [<ffffffff8175e196>] dump_stack+0x46/0x58
 [<ffffffff810991a1>] warn_slowpath_common+0x81/0xa0
 [<ffffffff81099215>] warn_slowpath_fmt+0x55/0x70
 [<ffffffffa0342af2>] intel_check_page_flip+0xc2/0xd0 [i915]
 [<ffffffffa0314795>] ironlake_irq_handler+0x315/0x10a0 [i915]
 [<ffffffff815308fa>] ? __usb_hcd_giveback_urb+0xaa/0x140
 [<ffffffff810ef6c7>] handle_irq_event_percpu+0x77/0x1a0
 [<ffffffff810ef82b>] handle_irq_event+0x3b/0x60
 [<ffffffff810f2a0e>] handle_edge_irq+0x6e/0x120
 [<ffffffff810164c4>] handle_irq+0x74/0x140
 [<ffffffff810b904a>] ? atomic_notifier_call_chain+0x1a/0x20
 [<ffffffff81767bb1>] do_IRQ+0x51/0xf0
 [<ffffffff817659ed>] common_interrupt+0x6d/0x6d
 <EOI>  [<ffffffff815e89a3>] ? cpuidle_enter_state+0x63/0x160
 [<ffffffff815e8991>] ? cpuidle_enter_state+0x51/0x160
 [<ffffffff815e8b87>] cpuidle_enter+0x17/0x20
 [<ffffffff810dac82>] cpu_startup_entry+0x362/0x410
 [<ffffffff817539c7>] rest_init+0x77/0x80
 [<ffffffff81d4c029>] start_kernel+0x4a1/0x4c2
 [<ffffffff81d4b120>] ? early_idt_handlers+0x120/0x120
 [<ffffffff81d4b4d7>] x86_64_start_reservations+0x2a/0x2c
 [<ffffffff81d4b62b>] x86_64_start_kernel+0x152/0x175