Dec  7 12:34:08 ubuntu acpid: client 11213[0:0] has disconnected
Dec  7 12:34:08 ubuntu acpid: client connected from 12606[0:0]
Dec  7 12:34:08 ubuntu acpid: 1 client rule loaded
Dec  7 12:34:08 ubuntu kernel: [154505.832181] ------------[ cut here ]------------
Dec  7 12:34:08 ubuntu kernel: [154505.832200] kernel BUG at /build/buildd/linux-2.6.35/drivers/gpu/drm/i915/i915_gem.c:4221!
Dec  7 12:34:08 ubuntu kernel: [154505.832211] invalid opcode: 0000 [#1] SMP 
Dec  7 12:34:08 ubuntu kernel: [154505.832222] last sysfs file: /sys/devices/virtual/backlight/acpi_video0/actual_brightness
Dec  7 12:34:08 ubuntu kernel: [154505.832232] Modules linked in: nls_iso8859_1 nls_cp437 vfat fat usb_storage binfmt_misc parport_pc ppdev joydev pcmcia snd_intel8x0 snd_ac97_codec ac97_bus snd_pcm snd_seq_midi snd_rawmidi ipw2200 snd_seq_midi_event snd_seq libipw snd_timer snd_seq_device cfg80211 yenta_socket pcmcia_rsrc snd pcmcia_core lib80211 psmouse soundcore shpchp lp serio_raw snd_page_alloc parport i915 drm_kms_helper drm usbhid intel_agp hid via_rhine i2c_algo_bit video agpgart mii output
Dec  7 12:34:08 ubuntu kernel: [154505.832347] 
Dec  7 12:34:08 ubuntu kernel: [154505.832359] Pid: 12606, comm: Xorg Not tainted 2.6.35-23-generic #41-Ubuntu Montara-GML/Montara-GML 
Dec  7 12:34:08 ubuntu kernel: [154505.832371] EIP: 0060:[<f82701eb>] EFLAGS: 00013282 CPU: 0
Dec  7 12:34:08 ubuntu kernel: [154505.832418] EIP is at i915_gem_object_unpin+0xbb/0xd0 [i915]
Dec  7 12:34:08 ubuntu kernel: [154505.832429] EAX: f6890600 EBX: f68b6800 ECX: 000204ff EDX: fffffff8
Dec  7 12:34:08 ubuntu kernel: [154505.832439] ESI: 00020000 EDI: f71c6000 EBP: f4671dc8 ESP: f4671dbc
Dec  7 12:34:08 ubuntu kernel: [154505.832449]  DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
Dec  7 12:34:08 ubuntu kernel: [154505.832460] Process Xorg (pid: 12606, ti=f4670000 task=e74e8cb0 task.ti=f4670000)
Dec  7 12:34:08 ubuntu kernel: [154505.832468] Stack:
Dec  7 12:34:08 ubuntu kernel: [154505.832474]  00000002 00000003 ee3ba9f0 f4671e4c f827646b f71c6014 03d34000 00000000
Dec  7 12:34:08 ubuntu kernel: [154505.832495] <0> 00000004 f3c8fe40 00000000 fffb7000 f4671e24 00000001 00000003 00000000
Dec  7 12:34:08 ubuntu kernel: [154505.832517] <0> 03d34000 00000003 f68b6814 ee3ba9f0 f71c6014 ee3ba9f0 00000000 f71c6000
Dec  7 12:34:08 ubuntu kernel: [154505.832542] Call Trace:
Dec  7 12:34:08 ubuntu kernel: [154505.832588]  [<f827646b>] ? i915_gem_do_execbuffer+0x71b/0xca0 [i915]
Dec  7 12:34:08 ubuntu kernel: [154505.832631]  [<f8276e1a>] ? i915_gem_execbuffer2+0x4a/0x1b0 [i915]
Dec  7 12:34:08 ubuntu kernel: [154505.832670]  [<f8276e4c>] ? i915_gem_execbuffer2+0x7c/0x1b0 [i915]
Dec  7 12:34:08 ubuntu kernel: [154505.832718]  [<f81c198d>] ? drm_ioctl+0x1ad/0x430 [drm]
Dec  7 12:34:08 ubuntu kernel: [154505.832761]  [<f8276dd0>] ? i915_gem_execbuffer2+0x0/0x1b0 [i915]
Dec  7 12:34:08 ubuntu kernel: [154505.832788]  [<c05ccd4d>] ? do_page_fault+0x1cd/0x440
Dec  7 12:34:08 ubuntu kernel: [154505.832802]  [<c0226a22>] ? vfs_ioctl+0x32/0xb0
Dec  7 12:34:08 ubuntu kernel: [154505.832835]  [<f81c17e0>] ? drm_ioctl+0x0/0x430 [drm]
Dec  7 12:34:08 ubuntu kernel: [154505.832847]  [<c02272b9>] ? do_vfs_ioctl+0x79/0x2d0
Dec  7 12:34:08 ubuntu kernel: [154505.832863]  [<c02187b0>] ? do_sync_write+0x0/0xe0
Dec  7 12:34:08 ubuntu kernel: [154505.832874]  [<c0227577>] ? sys_ioctl+0x67/0x80
Dec  7 12:34:08 ubuntu kernel: [154505.832887]  [<c05c99f4>] ? syscall_call+0x7/0xb
Dec  7 12:34:08 ubuntu kernel: [154505.832894] Code: d1 8b 50 5c 8d 48 58 8b 70 58 89 56 04 89 32 8b 97 00 10 00 00 89 8f 00 10 00 00 81 c7 fc 0f 00 00 89 78 58 89 50 5c 89 0a eb a7 <0f> 0b eb fe 0f 0b eb fe 8d b6 00 00 00 00 8d bc 27 00 00 00 00 
Dec  7 12:34:08 ubuntu kernel: [154505.833016] EIP: [<f82701eb>] i915_gem_object_unpin+0xbb/0xd0 [i915] SS:ESP 0068:f4671dbc
Dec  7 12:34:08 ubuntu kernel: [154505.833063] ---[ end trace 7d1613da13c060c9 ]---
Dec  7 12:40:42 ubuntu acpid: client 12606[0:0] has disconnected
Dec  7 12:40:43 ubuntu kernel: Kernel logging (proc) stopped.