Additional info:
libreport version: 2.0.14
abrt_version:   2.0.13
cmdline:        BOOT_IMAGE=/vmlinuz-3.5.4-2.fc17.i686 root=UUID=f775dead-058b-475a-a571-194712ea3fa7 ro LANG=ru_RU.UTF-8 rd.md=0 rd.lvm=0 rd.dm=0 quiet rhgb rd.luks=0 KEYTABLE=ru
kernel:         3.5.4-2.fc17.i686

kernel_tainted_long:
:Proprietary module has not been loaded.
:Taint on warning.

backtrace:
:WARNING: at drivers/gpu/drm/i915/intel_display.c:1097 assert_plane+0x7f/0x90 [i915]()
:Hardware name: NC210/NC110                
:plane B assertion failure (expected off, current on)
:Modules linked in: fuse rfcomm bnep ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_hda_codec_realtek snd_hda_intel snd_hda_codec videodev media snd_hwdep btusb snd_seq snd_seq_device bluetooth arc4 snd_pcm r8169 iwlwifi mac80211 vhost_net snd_page_alloc i2c_i801 lpc_ich tun mii macvtap cfg80211 snd_timer snd soundcore coretemp macvlan samsung_laptop rfkill microcode kvm nfsd nfs_acl auth_rpcgss lockd sunrpc binfmt_misc uinput i915 video i2c_algo_bit drm_kms_helper drm i2c_core [last unloaded: scsi_wait_scan]
:Pid: 728, comm: Xorg Tainted: G        W    3.5.4-2.fc17.i686 #1
:Call Trace:
: [<c0438ff2>] warn_slowpath_common+0x72/0xa0
: [<f7eab17f>] ? assert_plane+0x7f/0x90 [i915]
: [<f7eab17f>] ? assert_plane+0x7f/0x90 [i915]
: [<c04390c3>] warn_slowpath_fmt+0x33/0x40
: [<f7eab17f>] assert_plane+0x7f/0x90 [i915]
: [<f7eb37a6>] intel_crtc_disable+0x46/0x90 [i915]
: [<f7c3c2ef>] drm_helper_disable_unused_functions+0xef/0x140 [drm_kms_helper]
: [<f7c3da0d>] drm_crtc_helper_set_config+0x88d/0xa60 [drm_kms_helper]
: [<c040aa96>] ? __switch_to_xtra+0x106/0x140
: [<c040286d>] ? __switch_to+0x25d/0x270
: [<c0470c02>] ? idle_balance+0x102/0x150
: [<c0941b48>] ? mutex_lock+0x18/0x40
: [<f7d4f754>] ? drm_mode_object_find+0x54/0x70 [drm]
: [<f7d52719>] drm_mode_setcrtc+0xf9/0x530 [drm]
: [<f7d53f32>] ? drm_mode_obj_set_property_ioctl+0x82/0x390 [drm]
: [<f7d52620>] ? drm_mode_setplane+0x3a0/0x3a0 [drm]
: [<f7d44cc2>] drm_ioctl+0x422/0x480 [drm]
: [<c06864a2>] ? pci_remove_resource_files+0x62/0x70
: [<f7d52620>] ? drm_mode_setplane+0x3a0/0x3a0 [drm]
: [<c06864a2>] ? pci_remove_resource_files+0x62/0x70
: [<c0513327>] ? handle_mm_fault+0x167/0x1f0
: [<f7d448a0>] ? drm_copy_field+0x80/0x80 [drm]
: [<c054ce4a>] do_vfs_ioctl+0x7a/0x590
: [<c0947470>] ? spurious_fault+0xae/0xae
: [<c0947627>] ? do_page_fault+0x1b7/0x450
: [<c0441748>] ? raise_softirq_irqoff+0x8/0x30
: [<c04a8df6>] ? __audit_syscall_exit+0x356/0x3b0
: [<c054d3c8>] sys_ioctl+0x68/0x80
: [<c06864a2>] ? pci_remove_resource_files+0x62/0x70
: [<c094af5f>] sysenter_do_call+0x12/0x28
: [<c06864a2>] ? pci_remove_resource_files+0x62/0x70
: [<c06864a2>] ? pci_remove_resource_files+0x62/0x70