compiz crashed with SIGSEGV in brw_update_renderbuffer_surface()

[Kamil]

This happened when I was playing CS:Source. When map in game was changing from one to another I minimalized/changed, window via ALT+tab, changed sound and wanted to return to game by chose window with game.

ProblemType: Crash
DistroRelease: Ubuntu 12.10
Package: compiz-core 1:0.9.8.6+bzr3433-0ubuntu1
ProcVersionSignature: Ubuntu 3.5.0-37.38-lowlatency 3.5.7.16
Uname: Linux 3.5.0-37-lowlatency x86_64
.tmp.unity.support.test.0:

ApportVersion: 2.6.1-0ubuntu12
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
Date: Sun Aug 4 13:40:39 2013
DistUpgraded: Fresh install
DistroCodename: quantal
DistroVariant: ubuntu
ExecutablePath: /usr/bin/compiz
GraphicsCard:
 Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0106] (rev 09) (prog-if 00 [VGA controller])
   Subsystem: Acer Incorporated [ALI] Device [1025:0649]
 NVIDIA Corporation Device [10de:1140] (rev a1) (prog-if 00 [VGA controller])
   Subsystem: Acer Incorporated [ALI] Device [1025:064a]
InstallationDate: Installed on 2013-02-18 (167 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
MachineType: Acer Aspire E1-531G
MarkForUpload: True
ProcCmdline: compiz
ProcCwd: /home/lukasz
ProcEnviron:
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=pl_PL.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-37-lowlatency root=UUID=63262429-0c63-48cc-a4b6-d3907e268362 ro crashkernel=384M-2G:64M,2G-:128M quiet splash vt.handoff=7
SegvAnalysis:
 Segfault happened at: 0x7f021a49296f <brw_update_renderbuffer_surface+127>: mov 0x230(%rax),%r15
 PC (0x7f021a49296f) ok
 source "0x230(%rax)" (0x00000230) not located in a known VMA region (needed readable region)!
 destination "%r15" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: compiz
StacktraceTop:
 brw_update_renderbuffer_surface (brw=0xee9520, rb=0xed1730, unit=0) at brw_wm_surface_state.c:1165
 brw_update_renderbuffer_surfaces (brw=0xee9520) at brw_wm_surface_state.c:1261
 brw_upload_state (brw=brw@entry=0xee9520) at brw_state_upload.c:500
 brw_try_draw_prims (max_index=5, min_index=1498361448, ib=<optimized out>, nr_prims=<optimized out>, prim=0x7fff594f2e50, arrays=<optimized out>, ctx=0xee9520) at brw_draw.c:493
 brw_draw_prims (ctx=0xee9520, prim=0x7fff594f2e50, nr_prims=<optimized out>, ib=<optimized out>, index_bounds_valid=<optimized out>, min_index=0, max_index=5, tfb_vertcount=0x0) at brw_draw.c:589
Title: compiz crashed with SIGSEGV in brw_update_renderbuffer_surface()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
XsessionErrors:
 gnome-session[3138]: WARNING: Application 'compiz.desktop' killed by signal 11
 gnome-session[3138]: WARNING: App 'compiz.desktop' respawning too quickly
 gnome-session[3138]: CRITICAL: We failed, but the fail whale is dead. Sorry....
dmi.bios.date: 10/15/2012
dmi.bios.vendor: Acer
dmi.bios.version: V2.07
dmi.board.asset.tag: Type2 - Board Asset Tag
dmi.board.name: EA50_HC_HR
dmi.board.vendor: Acer
dmi.board.version: Type2 - Board Version
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: V2.07
dmi.modalias: dmi:bvnAcer:bvrV2.07:bd10/15/2012:svnAcer:pnAspireE1-531G:pvrV2.07:rvnAcer:rnEA50_HC_HR:rvrType2-BoardVersion:cvnAcer:ct10:cvrV2.07:
dmi.product.name: Aspire E1-531G
dmi.product.version: V2.07
dmi.sys.vendor: Acer
version.compiz: compiz 1:0.9.8.6+bzr3433-0ubuntu1
version.ia32-libs: ia32-libs 20090808ubuntu36
version.libdrm2: libdrm2 2.4.43-0ubuntu0.2
version.libgl1-mesa-dri: libgl1-mesa-dri 9.0.3-0ubuntu0.4
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.0.3-0ubuntu0.4
version.xserver-xorg-core: xserver-xorg-core 2:1.13.0-0ubuntu6.2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.99.99~git20120913.8637f772-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.20.9-0ubuntu2.2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.2-0ubuntu3

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #947544, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.