Additional info:
reporter:       libreport-2.5.1
WARNING: CPU: 1 PID: 7397 at drivers/gpu/drm/i915/intel_display.c:9756 intel_check_page_flip+0xdb/0xf0 [i915]()
Kicking stuck page flip: queued at 301369, now 301374
Modules linked in: fuse xt_CHECKSUM ipt_MASQUERADE nf_nat_masquerade_ipv4 tun ccm nf_conntrack_tftp 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 snd_hda_codec_hdmi snd_hda_codec_idt snd_hda_codec_generic arc4 kvm snd_hda_intel iwldvm mac80211 snd_hda_controller dell_wmi iTCO_wdt snd_hda_codec gpio_ich iTCO_vendor_support iwlwifi sparse_keymap ppdev dell_laptop dcdbas snd_hwdep snd_seq i8k snd_seq_device cfg80211 snd_pcm serio_raw lpc_ich snd_timer
 i2c_i801 mfd_core snd rfkill soundcore shpchp mei_me parport_pc wmi tpm_tis mei parport tpm acpi_cpufreq nfsd auth_rpcgss nfs_acl lockd grace sunrpc binfmt_misc btrfs i915 xor raid6_pq sdhci_pci firewire_ohci sdhci i2c_algo_bit drm_kms_helper e1000e firewire_core mmc_core drm crc_itu_t ptp pps_core ata_generic pata_acpi video
CPU: 1 PID: 7397 Comm: chrome Not tainted 4.0.2-300.fc22.x86_64 #1
Hardware name: Dell Inc. Latitude E4200                  /0X277R, BIOS A24 06/04/2013
 0000000000000000 00000000e1100bb7 ffff8800b8d03cb8 ffffffff817821b4
 0000000000000000 ffff8800b8d03d10 ffff8800b8d03cf8 ffffffff8109c66a
 ffff8800b8d03cf8 ffff880035c75800 ffff8800366d2000 0000000000000000
Call Trace:
 <IRQ>  [<ffffffff817821b4>] dump_stack+0x45/0x57
 [<ffffffff8109c66a>] warn_slowpath_common+0x8a/0xc0
 [<ffffffff8109c6f5>] warn_slowpath_fmt+0x55/0x70
 [<ffffffffa01d703b>] intel_check_page_flip+0xdb/0xf0 [i915]
 [<ffffffffa01a0ab5>] i915_handle_vblank+0x55/0xb0 [i915]
 [<ffffffffa01b5554>] ? gen2_write32+0x34/0xa0 [i915]
 [<ffffffffa01a1e8a>] i965_irq_handler+0x29a/0x370 [i915]
 [<ffffffff810f45d7>] handle_irq_event_percpu+0x77/0x1a0
 [<ffffffff810f473b>] handle_irq_event+0x3b/0x60
 [<ffffffff810f795e>] handle_edge_irq+0x6e/0x120
 [<ffffffff81016514>] handle_irq+0x74/0x140
 [<ffffffff8178b61f>] do_IRQ+0x4f/0xf0
 [<ffffffff8178936d>] common_interrupt+0x6d/0x6d
 <EOI> 

Potential duplicate: bug 1183213