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[Raman Monorath <ramanmono@xxxxxxxxx>]

With Chrome 40, the problem isn't properly fixed for me. HW acceleration
does work, but the display/graphic session still crashes in full screen
(tested with youtube html5 player), especially when you use a compiz
animation (I often use the scale plugin).

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https://bugs.launchpad.net/bugs/1377220

Title:
  Google Chrome crash with mesa 10.3 on Intel GPU

Status in Chromium Browser:
  Unknown
Status in mesa package in Ubuntu:
  Confirmed

Bug description:
  When I start google-chrome on my Ubuntu 14.10 system the process it
  uses to test for a working GPU crashes and then Chrome falls back to
  software rendering.

  In chrome://gpu/ I get:

  Graphics Feature Status
  Canvas: Software only, hardware acceleration unavailable
  Flash: Software only, hardware acceleration unavailable
  Flash Stage3D: Software only, hardware acceleration unavailable
  Flash Stage3D Baseline profile: Software only, hardware acceleration unavailable
  Compositing: Software only, hardware acceleration unavailable
  Multiple Raster Threads: Unavailable
  Rasterization: Software only, hardware acceleration unavailable
  Threaded Rasterization: Unavailable
  Video Decode: Software only, hardware acceleration unavailable
  Video Encode: Software only, hardware acceleration unavailable
  WebGL: Unavailable

  Driver Bug Workarounds
  clear_uniforms_before_first_program_use
  count_all_in_varyings_packing
  disable_ext_occlusion_query
  disable_post_sub_buffers_for_onscreen_surfaces
  scalarize_vec_and_mat_constructor_args

  Problems Detected
  GPU process was unable to boot: GPU access is disabled in chrome://settings.
  Disabled Features: all
  [...]

  In Ubuntu 14.04 (and also previous versions), on the same laptop, the
  exact same Google Chrome used to work perfectly with GPU acceleration.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: libgl1-mesa-dri 10.3.0-0ubuntu2
  ProcVersionSignature: Ubuntu 3.16.0-20.27-generic 3.16.3
  Uname: Linux 3.16.0-20-generic x86_64
  .tmp.unity.support.test.0:

  ApportVersion: 2.14.7-0ubuntu2
  Architecture: amd64
  BootLog:
   Scanning for Btrfs filesystems
    * Setting sensors limits       
  [ OK ]
    * Setting up X socket directories...       
  [ OK ]
  CompizPlugins: [core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,staticswitcher,workarounds,scale,expo,ezoom,dbus]
  CompositorRunning: kwin
  CurrentDesktop: KDE
  Date: Fri Oct  3 17:48:09 2014
  DistUpgraded: Fresh install
  DistroCodename: utopic
  DistroVariant: kubuntu
  EcryptfsInUse: Yes
  ExtraDebuggingInterest: No
  GraphicsCard:
   Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0126] (rev 09) (prog-if 00 [VGA controller])
     Subsystem: Dell Device [1028:0494]
  MachineType: Dell Inc. Latitude E6520
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-20-generic root=UUID=749a9901-bdd3-4b5f-b80e-69414667e058 ro quiet splash vt.handoff=7
  SourcePackage: mesa
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 11/14/2013
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A19
  dmi.board.name: 0NVF5K
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A01
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA19:bd11/14/2013:svnDellInc.:pnLatitudeE6520:pvr01:rvnDellInc.:rn0NVF5K:rvrA01:cvnDellInc.:ct9:cvr:
  dmi.product.name: Latitude E6520
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.
  version.compiz: compiz 1:0.9.12+14.10.20140918-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.56-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.3.0-0ubuntu2
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.3.0-0ubuntu2
  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~exp1ubuntu3
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu2
  xserver.bootTime: Thu Oct  2 13:54:36 2014
  xserver.configfile: default
  xserver.errors:

  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   product id                                8685
   vendor                                     AUO
  xserver.version: 2:1.16.0-1ubuntu1

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