This description generated by Andreas from an ABRT report
architecture: x86_64
cmdline: not_applicable
component: kernel
executable: kernel
kernel: 2.6.32-71.18.2.el6.x86_64
package: kernel
reason: general protection fault: 0000 [#1] SMP 
release: Red Hat Enterprise Linux Workstation release 6.0 (Santiago)
time: 1300876875
uid: 0
backtrace: general protection fault: 0000 [#1] SMP 
last sysfs file: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:09/PNP0C09:00/PNP0C0A:00/power_supply/BAT0/charge_full
CPU 0 
Modules linked in: fuse ip6table_filter ip6_tables ebtable_nat ebtables xt_CHECKSUM iptable_mangle ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack ipt_REJECT iptable_filter ip_tables bridge stp llc autofs4 sunrpc cpufreq_ondemand acpi_cpufreq freq_table ipv6 dm_mirror dm_region_hash dm_log kvm uinput thinkpad_acpi hwmon wmi uvcvideo videodev v4l2_compat_ioctl32 sg iTCO_wdt iTCO_vendor_support i2c_i801 arc4 ecb iwlagn iwlcore mac80211 cfg80211 rfkill snd_hda_codec_intelhdmi snd_hda_codec_conexant snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm snd_timer snd soundcore snd_page_alloc e1000e ext4 mbcache jbd2 fpu aesni_intel cryptd aes_x86_64 aes_generic xts gf128mul dm_crypt sr_mod cdrom sd_mod crc_t10dif ahci firewire_ohci firewire_core crc_itu_t sdhci_pci sdhci mmc_core i915 drm_kms_helper drm i2c_algo_bit i2c_core video output dm_mod [last unloaded: microcode]
Modules linked in: fuse ip6table_filter ip6_tables ebtable_nat ebtables xt_CHECKSUM iptable_mangle ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack ipt_REJECT iptable_filter ip_tables bridge stp llc autofs4 sunrpc cpufreq_ondemand acpi_cpufreq freq_table ipv6 dm_mirror dm_region_hash dm_log kvm uinput thinkpad_acpi hwmon wmi uvcvideo videodev v4l2_compat_ioctl32 sg iTCO_wdt iTCO_vendor_support i2c_i801 arc4 ecb iwlagn iwlcore mac80211 cfg80211 rfkill snd_hda_codec_intelhdmi snd_hda_codec_conexant snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm snd_timer snd soundcore snd_page_alloc e1000e ext4 mbcache jbd2 fpu aesni_intel cryptd aes_x86_64 aes_generic xts gf128mul dm_crypt sr_mod cdrom sd_mod crc_t10dif ahci firewire_ohci firewire_core crc_itu_t sdhci_pci sdhci mmc_core i915 drm_kms_helper drm i2c_algo_bit i2c_core video output dm_mod [last unloaded: microcode]
Pid: 2258, comm: Xorg Not tainted 2.6.32-71.18.2.el6.x86_64 #1 2537CT1
RIP: 0010:[<ffffffffa004b38e>]  [<ffffffffa004b38e>] drm_clflush_pages+0x8e/0xe0 [drm]
RSP: 0018:ffff88012ff17bc8  EFLAGS: 00010207
RAX: 0000000000000000 RBX: 6db6db6db6db6db7 RCX: 49081a9e5f684000
RDX: 49081a9e5f684000 RSI: 0000000000000020 RDI: ffff880037d907c0
RBP: ffff88012ff17bd8 R08: 0000000000000005 R09: ffff88012ff16000
R10: ffff88012ff16000 R11: ffff880000000000 R12: 0000160000000000
R13: 0000000000000001 R14: 0000000000000006 R15: 0000000000000000
FS:  00007fbbe8275840(0000) GS:ffff880028200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbbe4a79000 CR3: 000000012fea9000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process Xorg (pid: 2258, threadinfo ffff88012ff16000, task ffff88012f394ab0)
Stack:
ffff880112086480 ffff88011432ce00 ffff88012ff17c08 ffffffffa00aa3c4
 ffff880112086480 ffff880112086480 0000000000000000 0000000000000001
 ffff88012ff17c48 ffffffffa00ac830 ffff88011432ce00 0000000000000000
Call Trace:
[<ffffffffa00aa3c4>] i915_gem_clflush_object+0x44/0x80 [i915]
[<ffffffffa00ac830>] i915_gem_object_set_to_cpu_domain+0x160/0x170 [i915]
[<ffffffffa00ad244>] i915_gem_object_unbind+0x64/0x220 [i915]
[<ffffffffa00ae160>] i915_gem_free_object+0x60/0x140 [i915]
[<ffffffffa004e180>] drm_gem_object_free_unlocked+0x70/0x90 [drm]
[<ffffffffa004e110>] ? drm_gem_object_free_unlocked+0x0/0x90 [drm]
[<ffffffff8125cdc7>] kref_put+0x37/0x70
[<ffffffffa004e629>] drm_gem_close_ioctl+0xa9/0xd0 [drm]
[<ffffffffa004ce5b>] drm_ioctl+0x40b/0x4c0 [drm]
[<ffffffffa004e580>] ? drm_gem_close_ioctl+0x0/0xd0 [drm]
[<ffffffff81208d74>] ? inode_has_perm+0x54/0xa0
[<ffffffff81135ad7>] ? handle_pte_fault+0xf7/0xad0
[<ffffffff8117fcb2>] vfs_ioctl+0x22/0xa0
[<ffffffff8117fe54>] do_vfs_ioctl+0x84/0x580
[<ffffffff811803d1>] sys_ioctl+0x81/0xa0
[<ffffffff81013172>] system_call_fastpath+0x16/0x1b
Code: c7 48 85 c9 74 3d 41 83 41 1c 01 4c 01 e1 31 c0 48 c1 f9 03 48 0f af cb 48 c1 e1 0c 4c 01 d9 66 0f 1f 44 00 00 89 c2 48 8d 14 11 <0f> ae 3a 0f b7 15 d6 ea 84 e1 01 d0 3d ff 0f 00 00 76 e7 41 83 
RIP  [<ffffffffa004b38e>] drm_clflush_pages+0x8e/0xe0 [drm]
RSP <ffff88012ff17bc8>