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[oh <1463598@xxxxxxxxxxxxxxxxxx>]

WebGL stopped working for me also in chrome 43 some time last week, i'm
on ubuntu 15.04.  OpenGL on my machine is fine and WebGL works in
firefox.  This is on an NVidia card.  Here's some info:

Data exported	6/12/2015, 5:03:28 PM
Chrome version	Chrome/43.0.2357.81
Operating system	Linux 3.19.0-20-generic
Software rendering list version	10.7
Driver bug list version	8.06
ANGLE commit id	unknown hash
2D graphics backend	Skia
Command Line Args	--enable-pinch --flag-switches-begin --flag-switches-end

Driver Information
Initialization time	0
Sandboxed	false
GPU0	VENDOR = 0x10de, DEVICE= 0x13c0
Optimus	false
AMD switchable	false
Driver vendor	NVIDIA
Driver version	349.16

GL_VENDOR	NVIDIA Corporation
GL_RENDERER	GeForce GTX 980/PCIe/SSE2
GL_VERSION	4.5.0 NVIDIA 349.16

Window manager	Metacity (Marco)
XDG_CURRENT_DESKTOP	MATE
GDMSESSION	mate

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You received this bug notification because you are a member of Desktop
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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