** Also affects: compiz
   Importance: Undecided
       Status: New

** Also affects: mesa
   Importance: Undecided
       Status: New

** Changed in: compiz
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1047136

Title:
  compiz crashed with SIGSEGV in intelDestroyContext() from
  intelCreateContext() from dri2CreateContextAttribs() from
  dri2CreateNewContextForAPI() from dri2CreateNewContext()

Status in Compiz:
  Confirmed
Status in Mesa:
  New
Status in “compiz” package in Ubuntu:
  Confirmed
Status in “mesa” package in Ubuntu:
  Confirmed

Bug description:
  I downloaded and install 12.10 beta1 on my Dell Optiplex GX270, Pentium 4 
running @ 2.60 gHz and 1.2 Gigs of memory.  12.10 beta1 started but the Desktop 
did not start. There was an error message that compiz crashed. I opened the 
system settings via desktop appearance (changed the wallpaper which worked). I 
check my display settings for my monitor then checked for updates and installed 
the updates. I re-started the computer and desktop doesn't appear.
  I had a similar problem with the last updates from 12.10 alpha3 where there 
was no desktop.  On this computer I ran Unity 2D.

  ProblemType: Crash
  DistroRelease: Ubuntu 12.10
  Package: compiz-core 1:0.9.8.0-0ubuntu1
  ProcVersionSignature: Ubuntu 3.5.0-13.14-generic 3.5.3
  Uname: Linux 3.5.0-13-generic i686
  ApportVersion: 2.5.1-0ubuntu4
  Architecture: i386
  CurrentDmesg:
   [   28.737897] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
   [   60.448929] show_signal_msg: 24 callbacks suppressed
   [   60.448937] check_gl_textur[1667]: segfault at 62646565 ip 62646565 sp 
bf864ddc error 4 in libz.so.1.2.7[b6db0000+17000]
   [   64.090599] compiz[1669]: segfault at 8bffffea ip 8bffffea sp bfef758c 
error 4 in libpciaccess.so.0.11.1[b4b08000+9000]
   [   68.937013] compiz[1751]: segfault at 8bffffea ip 8bffffea sp bfcd971c 
error 4 in libpciaccess.so.0.11.1[b4b1f000+9000]
  Date: Thu Sep  6 18:49:10 2012
  Disassembly: => 0x8bffffea:   Cannot access memory at address 0x8bffffea
  DistUpgraded: Fresh install
  DistroCodename: quantal
  DistroVariant: ubuntu
  ExecutablePath: /usr/bin/compiz
  GraphicsCard:
   Intel Corporation 82865G Integrated Graphics Controller [8086:2572] (rev 02) 
(prog-if 00 [VGA controller])
     Subsystem: Dell Device [1028:0151]
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha i386 (20120905.2)
  MachineType: Dell Computer Corporation OptiPlex GX270
  ProcCmdline: Compiz
  ProcEnviron:
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-13-generic 
root=UUID=afe4407c-64b9-4e06-a2bb-be797bbdd5f5 ro quiet splash vt.handoff=7
  SegvAnalysis:
   Segfault happened at: 0x8bffffea:    Cannot access memory at address 
0x8bffffea
   PC (0x8bffffea) not located in a known VMA region (needed executable region)!
  SegvReason: executing unknown VMA
  Signal: 11
  SourcePackage: compiz
  StacktraceTop:
   ?? ()
   intelDestroyContext () from /usr/lib/i386-linux-gnu/dri/i915_dri.so
   ?? () from /usr/lib/i386-linux-gnu/dri/i915_dri.so
   ?? () from /usr/lib/i386-linux-gnu/dri/i915_dri.so
   ?? () from /usr/lib/i386-linux-gnu/dri/i915_dri.so
  Title: compiz crashed with SIGSEGV in intelDestroyContext()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 09/29/2004
  dmi.bios.vendor: Dell Computer Corporation
  dmi.bios.version: A06
  dmi.board.name: 0DG286
  dmi.board.vendor: Dell Computer Corp.
  dmi.chassis.type: 15
  dmi.chassis.vendor: Dell Computer Corporation
  dmi.modalias: 
dmi:bvnDellComputerCorporation:bvrA06:bd09/29/2004:svnDellComputerCorporation:pnOptiPlexGX270:pvr:rvnDellComputerCorp.:rn0DG286:rvr:cvnDellComputerCorporation:ct15:cvr:
  dmi.product.name: OptiPlex GX270
  dmi.sys.vendor: Dell Computer Corporation
  version.compiz: compiz 1:0.9.8.0-0ubuntu1
  version.libdrm2: libdrm2 2.4.39-0ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 9.0~git20120903.e1673d20-0ubuntu1
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 9.0~git20120903.e1673d20-0ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.13.0-0ubuntu1
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu1
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 
1:6.99.99~git20120713.6ef1ad6a-0ubuntu1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.20.6-0ubuntu1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 
1:1.0.1-4~ubuntu1

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