Additional info:
reporter:       libreport-2.3.0
WARNING: CPU: 0 PID: 10518 at drivers/gpu/drm/i915/intel_display.c:9916 intel_check_page_flip+0xc2/0xd0 [i915]()
Kicking stuck page flip: queued at 6132216, now 6132221
Modules linked in: mmc_block vfat fat ccm fuse 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 arc4 rtl8192ce rtl_pci rtl8192c_common rtlwifi mac80211 intel_rapl x86_pkg_temp_thermal coretemp kvm_intel kvm iTCO_wdt iTCO_vendor_support hp_wmi sparse_keymap uvcvideo videobuf2_vmalloc videobuf2_core videobuf2_memops v4l2_common crct10dif_pclmul crc32_pclmul snd_hda_codec_hdmi crc32c_intel videodev snd_hda_codec_idt snd_hda_codec_generic ghash_clmulni_intel snd_hda_intel
 snd_hda_controller cfg80211 snd_hda_codec serio_raw snd_hwdep snd_seq media joydev snd_seq_device snd_pcm i2c_i801 rtsx_pci_ms rfkill memstick hp_accel lis3lv02d lpc_ich input_polldev wmi snd_timer snd mei_me mei soundcore shpchp nfsd auth_rpcgss nfs_acl lockd grace sunrpc uas usb_storage i915 rtsx_pci_sdmmc mmc_core i2c_algo_bit drm_kms_helper drm rtsx_pci atl1c mfd_core video
CPU: 0 PID: 10518 Comm: steadyflow Not tainted 3.18.6-200.fc21.x86_64 #1
Hardware name: Hewlett-Packard HP Pavilion dm4 Notebook PC/1650, BIOS F.13 09/28/2011
 0000000000000000 000000007f456e94 ffff88024fa03cf8 ffffffff8175e486
 0000000000000000 ffff88024fa03d50 ffff88024fa03d38 ffffffff810991b1
 ffff88024fa03d48 ffff8802415d8000 ffff8800a7771800 0000000000000000
Call Trace:
 <IRQ>  [<ffffffff8175e486>] dump_stack+0x46/0x58
 [<ffffffff810991b1>] warn_slowpath_common+0x81/0xa0
 [<ffffffff81099225>] warn_slowpath_fmt+0x55/0x70
 [<ffffffffa0138b12>] intel_check_page_flip+0xc2/0xd0 [i915]
 [<ffffffffa010a7b5>] ironlake_irq_handler+0x315/0x10a0 [i915]
 [<ffffffff810ffa2c>] ? update_process_times+0x6c/0x80
 [<ffffffff810ef6d7>] handle_irq_event_percpu+0x77/0x1a0
 [<ffffffff810ef83b>] handle_irq_event+0x3b/0x60
 [<ffffffff810f2a1e>] handle_edge_irq+0x6e/0x120
 [<ffffffff810164c4>] handle_irq+0x74/0x140
 [<ffffffff81767eb1>] do_IRQ+0x51/0xf0
 [<ffffffff81765ced>] common_interrupt+0x6d/0x6d
 <EOI>  [<ffffffff817651e9>] ? system_call_fastpath+0x12/0x17