Additional info:
reporter:       libreport-2.1.9
WARNING: CPU: 0 PID: 12645 at drivers/gpu/drm/i915/intel_display.c:8329 check_crtc_state+0x5af/0x9f0 [i915]()
pipe state doesn't match!
Modules linked in: fuse nf_conntrack_netbios_ns nf_conntrack_broadcast ipt_MASQUERADE ip6t_REJECT xt_conntrack rfcomm bnep 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_hda_codec_hdmi snd_hda_codec_idt arc4 brcmsmac snd_hda_intel cordic snd_hda_codec brcmutil b43 snd_hwdep snd_seq mac80211 cfg80211 ssb snd_seq_device snd_pcm snd_page_alloc snd_timer btusb snd bluetooth dell_laptop dcdbas iTCO_wdt iTCO_vendor_support ppdev dell_wmi sparse_keymap rfkill x86_pkg_temp_thermal coretemp soundcore uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev media kvm_intel kvm crc32_pclmul crc32c_intel ghash_clmulni_intel i2c_i801 bcma sdhci_pci sdhci mmc_core microcode joydev serio_raw parport_pc parport e1000e lpc_ich mfd_core mei_me mei ptp shpchp pps_core mperf binfmt_misc uinput nouveau i915 firewire_ohci mxm_wmi ttm firewire_core i2c_algo_bit drm_kms_helper crc_itu_t drm i2c_core wmi video
CPU: 0 PID: 12645 Comm: Xorg Not tainted 3.11.6-201.fc19.x86_64 #1
Hardware name: Dell Inc. Latitude E6520/0692FT, BIOS A08 10/18/2011
 0000000000000009 ffff88012d347898 ffffffff8164770b ffff88012d3478e0
 ffff88012d3478d0 ffffffff8106715d ffff8801b45286d0 0000000000000001
 ffff8801b1f92000 ffff8801b4528000 ffff8801b1f92478 ffff88012d347930
Call Trace:
 [<ffffffff8164770b>] dump_stack+0x45/0x56
 [<ffffffff8106715d>] warn_slowpath_common+0x7d/0xa0
 [<ffffffff810671cc>] warn_slowpath_fmt+0x4c/0x50
 [<ffffffffa00dfd4f>] check_crtc_state+0x5af/0x9f0 [i915]
 [<ffffffffa00eaf73>] intel_modeset_check_state+0x2c3/0x7a0 [i915]
 [<ffffffffa00eb4c5>] intel_set_mode+0x25/0x30 [i915]
 [<ffffffffa00ebd12>] intel_crtc_set_config+0x742/0x920 [i915]
 [<ffffffffa0046a6d>] drm_mode_set_config_internal+0x5d/0xe0 [drm]
 [<ffffffffa0049447>] drm_mode_setcrtc+0xf7/0x650 [drm]
 [<ffffffff8164a922>] ? mutex_lock+0x12/0x2f
 [<ffffffffa003a142>] drm_ioctl+0x532/0x660 [drm]
 [<ffffffff811b9e3d>] do_vfs_ioctl+0x2dd/0x4b0
 [<ffffffff811ba091>] SyS_ioctl+0x81/0xa0
 [<ffffffff81656919>] system_call_fastpath+0x16/0x1b