Additional info:
reporter:       libreport-2.3.0
WARNING: CPU: 1 PID: 1182 at drivers/gpu/drm/i915/intel_display.c:3361 intel_crtc_wait_for_pending_flips+0x16a/0x170 [i915]()
Modules linked in: fuse vfat fat uas usb_storage ipt_MASQUERADE nf_nat_h323 nf_conntrack_h323 nf_nat_pptp nf_nat_proto_gre nf_conntrack_pptp nf_conntrack_proto_gre nf_nat_tftp nf_conntrack_tftp nf_nat_sip nf_conntrack_sip nf_nat_irc nf_conntrack_irc nf_nat_ftp nf_conntrack_ftp rt2800usb rt2x00usb bnep bluetooth ccm nf_conntrack_netbios_ns nf_conntrack_broadcast ip6t_rpfilter ip6t_REJECT 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 iTCO_wdt iTCO_vendor_support ppdev gpio_ich coretemp kvm_intel kvm snd_hda_codec_realtek
 snd_hda_codec_generic snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep serio_raw snd_seq arc4 snd_seq_device rt2800pci rt2800mmio rt2800lib rt2x00pci rt2x00mmio rt2x00lib eeprom_93cx6 mac80211 i2c_i801 cfg80211 lpc_ich snd_pcm tpm_tis parport_pc tpm crc_ccitt parport rfkill snd_timer snd soundcore acpi_cpufreq nfsd auth_rpcgss nfs_acl lockd sunrpc binfmt_misc i915 i2c_algo_bit video drm_kms_helper drm r8169 ata_generic pata_acpi mii
CPU: 1 PID: 1182 Comm: Xorg.bin Not tainted 3.17.8-300.fc21.i686 #1
Hardware name: langchao 12345/IPM41-D3, BIOS 080015  04/30/2010
 00000000 3c9efb8a 00000000 f3ac1d38 c0a41d30 00000000 f3ac1d6c c0455b62
 c0bf8aa0 00000001 0000049e f813d8c4 00000d21 f80eb34a 00000d21 f80eb34a
 00000000 f68e4530 f42ef000 f3ac1d7c c0455c52 00000009 00000000 f3ac1dac
Call Trace:
 [<c0a41d30>] dump_stack+0x41/0x52
 [<c0455b62>] warn_slowpath_common+0x82/0xa0
 [<f80eb34a>] ? intel_crtc_wait_for_pending_flips+0x16a/0x170 [i915]
 [<f80eb34a>] ? intel_crtc_wait_for_pending_flips+0x16a/0x170 [i915]
 [<c0455c52>] warn_slowpath_null+0x22/0x30
 [<f80eb34a>] intel_crtc_wait_for_pending_flips+0x16a/0x170 [i915]
 [<c048de40>] ? abort_exclusive_wait+0x90/0x90
 [<f80eb3e7>] intel_primary_plane_disable+0x97/0xd0 [i915]
 [<f7d0ffb3>] setplane_internal+0x173/0x280 [drm]
 [<c0a450b0>] ? mutex_lock+0x10/0x30
 [<f7d0e47c>] ? _object_find+0x5c/0xa0 [drm]
 [<f7d12eb5>] drm_mode_setplane+0x145/0x1f0 [drm]
 [<f7d12d70>] ? drm_mode_getplane+0x100/0x100 [drm]
 [<f7d06415>] drm_ioctl+0x1f5/0x560 [drm]
 [<c055aa19>] ? do_read_fault.isra.79+0xf9/0x2e0
 [<f7d12d70>] ? drm_mode_getplane+0x100/0x100 [drm]
 [<c055b4df>] ? handle_mm_fault+0x4ff/0xb90
 [<f7d06220>] ? drm_copy_field+0x70/0x70 [drm]
 [<c059d742>] do_vfs_ioctl+0x302/0x4f0
 [<c0673dd2>] ? inode_has_perm.isra.30+0x32/0x50
 [<c0673f37>] ? file_has_perm+0x97/0xa0
 [<c058b9fc>] ? vfs_write+0x14c/0x1e0
 [<c067488b>] ? selinux_file_ioctl+0x4b/0xe0
 [<c059d990>] SyS_ioctl+0x60/0x90
 [<c0a47c9f>] sysenter_do_call+0x12/0x12