Additional info:
reporter:       libreport-2.1.9
WARNING: CPU: 1 PID: 1197 at drivers/gpu/drm/i915/intel_pm.c:5452 __gen6_gt_wait_for_fifo+0x7e/0x90 [i915]()
Modules linked in: snd_usb_audio snd_usbmidi_lib snd_rawmidi udp_diag tcp_diag inet_diag vhost_net vhost macvtap macvlan vfat fat rfcomm fuse ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun bridge stp llc ebtable_nat ebtables bnep ip6t_REJECT nf_conntrack_ipv6 nf_conntrack_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 xt_conntrack nf_conntrack ip6table_filter ip6_tables xfs libcrc32c snd_hda_codec_hdmi snd_hda_codec_conexant snd_hda_intel snd_hda_codec arc4 iwldvm mac80211 snd_hwdep snd_seq uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_seq_device iTCO_wdt iTCO_vendor_support x86_pkg_temp_thermal media snd_pcm joydev iwlwifi coretemp kvm_intel kvm serio_raw i2c_i801 e1000e lpc_ich mei_me sdhci_pci thinkpad_acpi microcode snd_page_alloc btusb snd_timer ptp sdhci mfd_core cfg80211 pps_core mmc_core bluetooth shpchp mei wmi snd soundcore tpm_tis rfkill tpm tpm_bios mperf binfmt_misc dm_crypt crc32_pclmul crc32c_intel i915 ghash_clmulni_intel firewire_ohci i2c_algo_bit firewire_core drm_kms_helper crc_itu_t drm usb_storage i2c_core video
CPU: 1 PID: 1197 Comm: X Not tainted 3.11.9-300.fc20.x86_64 #1
Hardware name: LENOVO 4243BQ3/4243BQ3, BIOS 8AET56WW (1.36 ) 12/06/2011
 0000000000000009 ffff8802014d3bc0 ffffffff8164418b 0000000000000000
 ffff8802014d3bf8 ffffffff8106715d 0000000000000000 0000000000000008
 ffff88020f0b0000 ffff88020f0b1d34 00000000ffbfffff ffff8802014d3c08
Call Trace:
 [<ffffffff8164418b>] dump_stack+0x45/0x56
 [<ffffffff8106715d>] warn_slowpath_common+0x7d/0xa0
 [<ffffffff8106723a>] warn_slowpath_null+0x1a/0x20
 [<ffffffffa0117e5e>] __gen6_gt_wait_for_fifo+0x7e/0x90 [i915]
 [<ffffffffa00c53fd>] i915_write32+0x12d/0x150 [i915]
 [<ffffffffa011cca6>] gen6_ring_get_irq+0x96/0xf0 [i915]
 [<ffffffffa00d77d6>] __wait_seqno+0xc6/0x520 [i915]
 [<ffffffffa00ecf87>] ? intel_crtc_cursor_move+0x37/0x40 [i915]
 [<ffffffffa0043c45>] ? drm_mode_cursor_common+0xa5/0x170 [drm]
 [<ffffffffa00dc8ed>] i915_gem_throttle_ioctl+0xbd/0x130 [i915]
 [<ffffffffa0038122>] drm_ioctl+0x512/0x640 [drm]
 [<ffffffff814aa6b5>] ? input_event_to_user+0x55/0x70
 [<ffffffff8101caa7>] ? __restore_xstate_sig+0x87/0x500
 [<ffffffff811bac2d>] do_vfs_ioctl+0x2dd/0x4b0
 [<ffffffff811bae81>] SyS_ioctl+0x81/0xa0
 [<ffffffff81653399>] system_call_fastpath+0x16/0x1b