Bug 862218

Additional info:
libreport version: 2.0.14
abrt_version:   2.0.13
cmdline:        BOOT_IMAGE=/vmlinuz-3.5.4-2.fc17.x86_64 root=/dev/mapper/vg_semberal--fedora-lv_root ro rd.md=0 rd.lvm.lv=vg_semberal-fedora/lv_root SYSFONT=True KEYTABLE=us rd.lvm.lv=vg_semberal-fedora/lv_swap rd.luks=0 LANG=en_US.UTF-8 rd.dm=0 rhgb quiet
kernel:         3.5.4-2.fc17.x86_64

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

backtrace:
:WARNING: at drivers/gpu/drm/i915/i915_drv.c:485 gen6_gt_check_fifodbg.isra.4+0x40/0x50 [i915]()
:Hardware name: 23532SG
:MMIO read or write has been dropped 3
:Modules linked in: fuse lockd sunrpc rfcomm bnep ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack binfmt_misc snd_hda_codec_hdmi snd_hda_codec_realtek arc4 coretemp kvm microcode btusb bluetooth i2c_i801 snd_hda_intel snd_hda_codec uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_seq snd_seq_device videobuf2_core iwlwifi videodev snd_pcm media mac80211 cfg80211 lpc_ich mfd_core snd_page_alloc snd_timer e1000e mei thinkpad_acpi snd soundcore uinput rfkill crc32c_intel ghash_clmulni_intel sdhci_pci sdhci mmc_core wmi i915 video i2c_algo_bit drm_kms_helper drm i2c_core [last unloaded: scsi_wait_scan]
:Pid: 1148, comm: Xorg Tainted: G        W    3.5.4-2.fc17.x86_64 #1
:Call Trace:
: [<ffffffff8105864f>] warn_slowpath_common+0x7f/0xc0
: [<ffffffff81058746>] warn_slowpath_fmt+0x46/0x50
: [<ffffffff812da5da>] ? delay_tsc+0x4a/0x80
: [<ffffffffa006f340>] gen6_gt_check_fifodbg.isra.4+0x40/0x50 [i915]
: [<ffffffffa006f921>] __gen6_gt_force_wake_mt_put+0x21/0x30 [i915]
: [<ffffffffa006fd5c>] i915_read32+0xec/0x110 [i915]
: [<ffffffffa00b2bd0>] intel_ring_get_active_head+0x30/0x40 [i915]
: [<ffffffffa00b2c25>] gen6_ring_get_seqno+0x45/0x50 [i915]
: [<ffffffffa008070e>] __wait_seqno+0x3e/0x270 [i915]
: [<ffffffff8107bb70>] ? wake_up_bit+0x40/0x40
: [<ffffffffa00822aa>] i915_wait_request+0xba/0xe0 [i915]
: [<ffffffffa0082312>] i915_gem_object_wait_rendering+0x42/0x70 [i915]
: [<ffffffffa00b1d51>] ? ring_write_tail+0x21/0x30 [i915]
: [<ffffffffa0083898>] i915_gem_object_set_to_cpu_domain+0xa8/0x160 [i915]
: [<ffffffffa0086dad>] i915_gem_execbuffer_relocate_entry+0x14d/0x3d0 [i915]
: [<ffffffffa008767a>] ? i915_gem_execbuffer_reserve.isra.7+0x39a/0x430 [i915]
: [<ffffffffa00888c8>] i915_gem_do_execbuffer.isra.10+0x1158/0x1390 [i915]
: [<ffffffffa0088fdc>] ? i915_gem_execbuffer2+0x5c/0x290 [i915]
: [<ffffffffa0088fdc>] ? i915_gem_execbuffer2+0x5c/0x290 [i915]
: [<ffffffffa0089031>] i915_gem_execbuffer2+0xb1/0x290 [i915]
: [<ffffffffa00154f3>] drm_ioctl+0x4d3/0x580 [drm]
: [<ffffffff8106b2cf>] ? recalc_sigpending+0x1f/0x70
: [<ffffffffa0088f80>] ? i915_gem_execbuffer+0x480/0x480 [i915]
: [<ffffffff8101ca72>] ? fpu_finit+0x22/0x40
: [<ffffffff81199909>] do_vfs_ioctl+0x99/0x580
: [<ffffffff8127970a>] ? inode_has_perm.isra.31.constprop.61+0x2a/0x30
: [<ffffffff8127ace7>] ? file_has_perm+0x97/0xb0
: [<ffffffff810d3c01>] ? __audit_syscall_exit+0x301/0x450
: [<ffffffff810130e0>] ? restore_sigcontext+0x120/0x160
: [<ffffffff81199e89>] sys_ioctl+0x99/0xa0
: [<ffffffff81615187>] ? int_check_syscall_exit_work+0x34/0x3d
: [<ffffffff81614ee9>] system_call_fastpath+0x16/0x1b