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[Launchpad Bug Tracker <1371834@xxxxxxxxxxxxxxxxxx>]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: mesa (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1371834

Title:
  Chrome causes segfault in i965_dri.so

Status in Chromium Browser:
  Unknown
Status in “mesa” package in Ubuntu:
  Confirmed
Status in Debian GNU/Linux:
  New

Bug description:
  Running chrome 38.0.2125.66-1 on Ubuntu 14.10, on Lenovo X230

  When I start a new instance of chrome, it cannot enable WebGL. I have
  reported that bug separately to chrome at
  https://code.google.com/p/chromium/issues/detail?id=416207

  I suspect the cause of the bug is in mesa, as dmesg contains evidence
  of a segfault:

  [31979.398090] chrome[24013]: segfault at 20 ip 00007fbbd5ca5d83 sp 00007fffd7669ab0 error 4 in i965_dri.so[7fbbd59c4000+50a000]
  [31979.585606] chrome[24104]: segfault at 20 ip 00007f7550c26d83 sp 00007fff970b4630 error 4 in i965_dri.so[7f7550945000+50a000]
  [31979.737378] chrome[24117]: segfault at 20 ip 00007ffd06e45d83 sp 00007fffc989f440 error 4 in i965_dri.so[7ffd06b64000+50a000]

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: libgl1-mesa-dri 10.2.6-1ubuntu3
  ProcVersionSignature: Ubuntu 3.16.0-16.22-generic 3.16.2
  Uname: Linux 3.16.0-16-generic x86_64
  ApportVersion: 2.14.7-0ubuntu2
  Architecture: amd64
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: None
  CurrentDesktop: GNOME
  Date: Sat Sep 20 11:17:41 2014
  DistUpgraded: 2014-09-02 14:59:08,481 DEBUG failed to SystemUnLock() (E:Not locked)
  DistroCodename: utopic
  DistroVariant: ubuntu
  ExtraDebuggingInterest: Yes, including running git bisection searches
  GraphicsCard:
   Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller])
     Subsystem: Lenovo Device [17aa:21fa]
  MachineType: LENOVO 23301B9
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.16.0-16-generic root=/dev/mapper/hostname--vg-root ro splash quiet crashkernel=384M-:128M crashkernel=384M-:128M nomdmonddf nomdmonisw crashkernel=384M-:128M vt.handoff=7
  SourcePackage: mesa
  UpgradeStatus: Upgraded to utopic on 2014-09-02 (17 days ago)
  dmi.bios.date: 07/09/2013
  dmi.bios.vendor: LENOVO
  dmi.bios.version: G2ET95WW (2.55 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 23301B9
  dmi.board.vendor: LENOVO
  dmi.board.version: 0B98401 Pro
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvrG2ET95WW(2.55):bd07/09/2013:svnLENOVO:pn23301B9:pvrThinkPadX230:rvnLENOVO:rn23301B9:rvr0B98401Pro:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 23301B9
  dmi.product.version: ThinkPad X230
  dmi.sys.vendor: LENOVO
  version.compiz: compiz N/A
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.56-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.2.6-1ubuntu3
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.2.6-1ubuntu3
  version.xserver-xorg-core: xserver-xorg-core 2:1.16.0-1ubuntu1
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.4.0-2ubuntu2
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.914-1~exp1ubuntu2
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu2
  xserver.bootTime: Fri Sep 19 15:45:16 2014
  xserver.configfile: default
  xserver.errors:
   
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   product id                                4204 
   vendor                                     AUO
  xserver.version: 2:1.16.0-1ubuntu1

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