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[Maurice <tracker@xxxxxxxxxxxxx>]

Hardware acceleration stopped to work with the update of Chromium to
Version 43.0.2357.81 Ubuntu 14.04 (64-bit). Firefox is working fine. I
use the xorg edgers PPA and run Ubuntu 14.04 on a laptop with Intel HD
Graphics 4000.

chrome://gpu/

Version Information
Data exported	6/13/2015, 1:36:53 AM
Chrome version	Chrome/43.0.2357.81
Operating system	Linux 3.19.0-20-generic
Software rendering list version	0
Driver bug list version	8.06
ANGLE commit id	unknown hash
2D graphics backend	Skia
Command Line Args	--ppapi-flash-path=/usr/lib/pepperflashplugin-nonfree/libpepflashplayer.so --ppapi-flash-version=13.0.0.206 --enable-pinch --flag-switches-begin --ignore-gpu-blacklist --flag-switches-end
Driver Information
Initialization time	0
Sandboxed	false
GPU0	VENDOR = 0x10de, DEVICE= 0x0fd4
GPU1	VENDOR = 0x8086, DEVICE= 0x0166
Optimus	true
AMD switchable	false
Driver vendor	Mesa
Driver version	10.6.0
Driver date	
Pixel shader version	
Vertex shader version	
Machine model name	
Machine model version	
GL_VENDOR	Intel Open Source Technology Center
GL_RENDERER	Mesa DRI Intel(R) Ivybridge Mobile
GL_VERSION	3.0 Mesa 10.6.0-rc2
GL_EXTENSIONS	
Window system binding vendor	
Window system binding version	
Window system binding extensions	
Window manager	Compiz
XDG_CURRENT_DESKTOP	Unity
GDMSESSION	ubuntu
Compositing manager	Yes
Direct rendering	Yes
Reset notification strategy	0x0000
GPU process crash count	0

-- 
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Packages, which is subscribed to chromium-browser in Ubuntu.
https://bugs.launchpad.net/bugs/1463598

Title:
  Chromium 43 fails to use hardware acceleration

Status in chromium-browser package in Ubuntu:
  Confirmed

Bug description:
  After installing package chromium-browser 43.0.2357.81-0ubuntu0.14.04.1.1089 hardware acceleration becomes disabled.
  I had no problem with previous chromium version.

  Console output:

  jose@jose:~$ chromium-browser 
  [3150:3191:0609/190556:ERROR:browser_gpu_channel_host_factory.cc(134)] Failed to launch GPU process.
  [3150:3150:0609/190556:ERROR:url_pattern_set.cc(240)] Invalid url pattern: chrome://print/*
  [3150:3191:0609/190556:ERROR:browser_gpu_channel_host_factory.cc(134)] Failed to launch GPU process.
  [3150:3191:0609/190556:ERROR:browser_gpu_channel_host_factory.cc(134)] Failed to launch GPU process.

  chrome://gpu:

  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_chromium_framebuffer_multisample
  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

  - - -
  Actually GPU access is *not* disabled from settings. 

  Workarounds like "--disable-gpu-sandbox" or "LIBGL_DRI3_DISABLE=1"
  didn't helped at all.

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