[ 9744.245422] ------------[ cut here ]------------
[ 9744.245431] kernel BUG at drivers/gpu/drm/i915/i915_gem.c:2013!
[ 9744.245436] invalid opcode: 0000 [#1] SMP 
[ 9744.245441] Modules linked in: i915 drm ip6t_LOG xt_tcpudp xt_pkttype ipt_LOG xt_limit coretemp binfmt_misc snd_pcm_oss snd_mixer_oss snd_seq snd_seq_device sunrpc bnep ip6t_REJECT nf_conntrack_ipv6 ipt_REJECT xt_state iptable_mangle iptable_nat nf_nat iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_ipv4 nf_conntrack ip_tables ip6table_filter cpufreq_conservative ip6_tables x_tables ipv6 cpufreq_userspace cpufreq_powersave acpi_cpufreq 8250 serial_core fuse reiserfs loop dm_mod rfcomm l2cap arc4 ecb crypto_blkcipher iwl3945 rfkill snd_hda_intel mac80211 led_class btusb snd_pcm yenta_socket cfg80211 snd_timer rsrc_nonstatic video snd_page_alloc snd_hwdep bluetooth snd firewire_ohci rtc_cmos output tg3 firewire_core crc_itu_t pcmcia_core soundcore intel_agp agpgart sr_mod wmi i2c_i801 button ac battery libphy cdrom dcdbas rtc_core rtc_lib psmouse sg usbhid hid uhci_hcd ehci_hcd sd_mod usbcore edd ext3 mbcache jbd fan ata_piix thermal processor thermal_sys hwmon
[ 9744.245579] 
[ 9744.245585] Pid: 3534, comm: Xorg Tainted: G        W (2.6.27-rc2-engel-00008-ge21fbdd #20)
[ 9744.245590] EIP: 0060:[<f92b02a3>] EFLAGS: 00013296 CPU: 0
[ 9744.245607] EIP is at i915_gem_object_unpin+0x22/0x8b [i915]
[ 9744.245612] EAX: ffffffff EBX: f6905880 ECX: f6905040 EDX: f6905040
[ 9744.245617] ESI: f7fc7000 EDI: f68f6000 EBP: f6cc9f18 ESP: f6cc9f08
[ 9744.245621]  DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
[ 9744.245627] Process Xorg (pid: 3534, ti=f6cc8000 task=f789b650 task.ti=f6cc8000)
[ 9744.245631] Stack: f9302462 f6905040 f7fc7000 f7fc7018 f6cc9f30 f92b0a84 f783ac58 fffffff4 
[ 9744.245644]        f783ac58 40086456 f6cc9f54 f930147c f7d8a8a0 f7fc7000 f92b0a2c f7fc702c 
[ 9744.245655]        f92b7500 f6d8d300 bff2eaa0 f6cc9f70 c107db84 bff2eaa0 40086456 00000000 
[ 9744.245667] Call Trace:
[ 9744.245671]  [<f9302462>] ? drm_gem_object_lookup+0x29/0x33 [drm]
[ 9744.245699]  [<f92b0a84>] ? i915_gem_unpin_ioctl+0x58/0x75 [i915]
[ 9744.245715]  [<f930147c>] ? drm_ioctl+0x1b0/0x225 [drm]
[ 9744.245739]  [<f92b0a2c>] ? i915_gem_unpin_ioctl+0x0/0x75 [i915]
[ 9744.245767]  [<c107db84>] ? vfs_ioctl+0x50/0x69
[ 9744.245777]  [<c107ddc4>] ? do_vfs_ioctl+0x227/0x23a
[ 9744.245784]  [<c107de17>] ? sys_ioctl+0x40/0x5d
[ 9744.245791]  [<c1002c21>] ? sysenter_do_call+0x12/0x21
[ 9744.245799]  [<c11c0000>] ? panic+0x7c/0xd4
[ 9744.245808]  =======================
[ 9744.245811] Code: e5 5d 8b 40 48 8b 40 40 c3 55 89 c1 89 e5 57 56 53 83 ec 04 8b 58 28 8b 70 08 8b 43 28 8b be 50 02 00 00 48 85 c0 89 43 28 79 04 <0f> 0b eb fe 83 7b 04 00 75 04 0f 0b eb fe 85 c0 75 51 83 7b 10 
[ 9744.245873] EIP: [<f92b02a3>] i915_gem_object_unpin+0x22/0x8b [i915] SS:ESP 0068:f6cc9f08
[ 9744.245897] ---[ end trace bfe7a18088f6b933 ]---