Additional info:
reporter:       libreport-2.5.1
WARNING: CPU: 0 PID: 17079 at drivers/gpu/drm/i915/intel_display.c:9756 intel_check_page_flip+0xdb/0xf0 [i915]()
Kicking stuck page flip: queued at 914984, now 915142
Modules linked in: rfcomm fuse 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 cpufreq_stats ebtable_nat ebtable_broute bridge 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 bnep vfat intel_rapl fat iosf_mbi x86_pkg_temp_thermal arc4 coretemp kvm_intel kvm iwlmvm mac80211 uvcvideo dell_wmi dell_laptop videobuf2_vmalloc crct10dif_pclmul iTCO_wdt dcdbas crc32_pclmul i8k sparse_keymap iTCO_vendor_support crc32c_intel ppdev videobuf2_core dell_led ghash_clmulni_intel
 iwlwifi videobuf2_memops btusb bluetooth v4l2_common videodev snd_soc_rt5640 snd_hda_codec_realtek snd_hda_codec_hdmi serio_raw cfg80211 snd_hda_codec_generic snd_soc_rl6231 media snd_soc_core snd_hda_intel i2c_i801 joydev snd_hda_controller mei_me snd_compress snd_hda_codec snd_pcm_dmaengine mei snd_hwdep snd_seq rfkill snd_seq_device lpc_ich snd_pcm mfd_core shpchp wmi parport_pc snd_timer parport int3403_thermal snd snd_soc_sst_acpi dw_dmac dw_dmac_core dell_smo8800 soundcore int3400_thermal regmap_i2c i2c_hid processor_thermal_device acpi_thermal_rel i2c_designware_platform i2c_designware_core int3402_thermal int340x_thermal_zone acpi_pad nfsd auth_rpcgss nfs_acl lockd grace binfmt_misc sunrpc 8021q garp stp llc mrp i915 i2c_algo_bit drm_kms_helper e1000e drm ptp pps_core sdhci_pci
 sdhci_acpi sdhci mmc_core video
CPU: 0 PID: 17079 Comm: kullo-debug Not tainted 4.0.3-300.fc22.x86_64 #1
Hardware name: Dell Inc. Latitude E7450/0D8H72, BIOS A03 04/10/2015
 0000000000000000 000000003775d29c ffff88021e403d58 ffffffff81782254
 0000000000000000 ffff88021e403db0 ffff88021e403d98 ffffffff8109c66a
 ffff88021e403dc8 ffff88021273b000 ffff880212772000 0000000000000000
Call Trace:
 <IRQ>  [<ffffffff81782254>] dump_stack+0x45/0x57
 [<ffffffff8109c66a>] warn_slowpath_common+0x8a/0xc0
 [<ffffffff8109c6f5>] warn_slowpath_fmt+0x55/0x70
 [<ffffffffa01a303b>] intel_check_page_flip+0xdb/0xf0 [i915]
 [<ffffffffa01702b2>] gen8_irq_handler+0x3a2/0x4a0 [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
 [<ffffffff8178b69f>] do_IRQ+0x4f/0xf0
 [<ffffffff817893ed>] common_interrupt+0x6d/0x6d
 <EOI>  [<ffffffff81788909>] ? system_call_fastpath+0x12/0x17