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+0xa7/0xb0 [i915]()
Kicking stuck page flip: queued at 2853, now 2854
Modules linked in: xt_CHECKSUM ipt_MASQUERADE nf_nat_masquerade_ipv4 tun 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 snd_usb_audio snd_usbmidi_lib snd_rawmidi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel gspca_zc3xx snd_hda_controller snd_hda_codec gspca_main videodev snd_hwdep snd_seq snd_seq_device snd_pcm media iTCO_wdt gpio_ich iTCO_vendor_support lpc_ich mfd_core snd_timer coretemp ppdev tpm_tis snd
 serio_raw i2c_i801 mei_me tpm parport_pc mei parport soundcore acpi_cpufreq nfsd auth_rpcgss nfs_acl lockd grace sunrpc binfmt_misc hid_logitech_dj ata_generic pata_acpi firewire_ohci i915 e1000e firewire_core uas usb_storage i2c_algo_bit video ptp crc_itu_t drm_kms_helper drm pata_marvell pps_core
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.18.2-200.fc21.i686+PAE #1
Hardware name:                  /DQ35JO, BIOS JOQ3510J.86A.1143.2010.1209.0048 12/09/2010
 00000000 1708c36a 00000000 f2c0be9c c0a68c8d f2c0bee0 f2c0bed0 c0464332
 f80a275c f2c0bf00 00000000 f80a0354 000026bc f8056187 000026bc f8056187
 f6899400 f68994fc f68a9000 f2c0beec c046438e 00000009 f2c0bee0 f80a275c
Call Trace:
 [<c0a68c8d>] dump_stack+0x41/0x52
 [<c0464332>] warn_slowpath_common+0x82/0xa0
 [<f8056187>] ? intel_check_page_flip+0xa7/0xb0 [i915]
 [<f8056187>] ? intel_check_page_flip+0xa7/0xb0 [i915]
 [<c046438e>] warn_slowpath_fmt+0x3e/0x60
 [<f8056187>] intel_check_page_flip+0xa7/0xb0 [i915]
 [<f80272ac>] i915_handle_vblank+0x4c/0x90 [i915]
 [<f802ba83>] i915_irq_handler+0x253/0x300 [i915]
 [<c04b1b56>] handle_irq_event_percpu+0x76/0x190
 [<c04b44f0>] ? handle_simple_irq+0x60/0x60
 [<c0a6007b>] ? netlbl_cipsov4_listall_cb+0xb/0x100
 [<c04b1c9a>] handle_irq_event+0x2a/0x50
 [<c04b4780>] ? handle_level_irq+0xd0/0xd0
 [<c04b47dd>] handle_edge_irq+0x5d/0xf0
 [<c0413720>] handle_irq+0x90/0xd0
 <IRQ>  [<c0412f3c>] do_IRQ+0x3c/0xd0
 [<c0a6eff3>] common_interrupt+0x33/0x38
 [<c0452b05>] ? native_safe_halt+0x5/0x10
 [<c041a93c>] default_idle+0x1c/0xa0
 [<c041b10e>] arch_cpu_idle+0xe/0x10
 [<c049db8a>] cpu_startup_entry+0x33a/0x380
 [<c0a649a2>] rest_init+0x62/0x70
 [<c0db0b55>] start_kernel+0x3c5/0x3dd
 [<c0db02de>] i386_start_kernel+0x79/0x7d