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[Karen Tsai <angelXwind@xxxxxxxxxxxxxx>]

Public bug reported:

When I log into a desktop session in Ubuntu (both the Live CD and a
fresh install), the top panel and launcher both seem to completely fail
to load.

When viewing console output via one of the virtual terminals, I can see
that compiz is failing to load the OpenGL plugin.

compiz (core) - Error: Plugin 'opengl' not loaded.

Right-clicking on the wallpaper still brings up the right-click menu as
expected, but performance is extremely slow.

I am using an Intel i865 IGP (82865G), which supports the OpenGL 1.3
standard. This appears to be where the bug lies.

unity_support_test gives an incorrect report of the IGP, stating that it
supports OpenGL 1.4. This was not the case with Ubuntu 13.04, the last
release I tried on this computer.

Booting into a 12.04 Live CD and running unity_support_test also yields
the correct test result (GL version is 1.4+: no)

Could potentially be an issue with the version of mesa included with
13.10 Saucy.

Ubuntu Version: 13.10 Saucy Salamander i386
What is expected to happen: Unity loads, unity_support_test returns "GL version is 1.4+: no"
What happened instead: Unity does not load, compiz fails to load opengl plugin, unity_support_test returns "GL version is 1.4: yes"

IGP/GPU: Intel Extreme Graphics 2 82865G (i865 chipset)

** Affects: unity (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1245203

Title:
  Unity/compiz fails to load on Intel i865 IGP (OGL 1.3) in Saucy,
  mesa/unity_support_test is incorrect

Status in “unity” package in Ubuntu:
  New

Bug description:
  When I log into a desktop session in Ubuntu (both the Live CD and a
  fresh install), the top panel and launcher both seem to completely
  fail to load.

  When viewing console output via one of the virtual terminals, I can
  see that compiz is failing to load the OpenGL plugin.

  compiz (core) - Error: Plugin 'opengl' not loaded.

  Right-clicking on the wallpaper still brings up the right-click menu
  as expected, but performance is extremely slow.

  I am using an Intel i865 IGP (82865G), which supports the OpenGL 1.3
  standard. This appears to be where the bug lies.

  unity_support_test gives an incorrect report of the IGP, stating that
  it supports OpenGL 1.4. This was not the case with Ubuntu 13.04, the
  last release I tried on this computer.

  Booting into a 12.04 Live CD and running unity_support_test also
  yields the correct test result (GL version is 1.4+: no)

  Could potentially be an issue with the version of mesa included with
  13.10 Saucy.

  Ubuntu Version: 13.10 Saucy Salamander i386
  What is expected to happen: Unity loads, unity_support_test returns "GL version is 1.4+: no"
  What happened instead: Unity does not load, compiz fails to load opengl plugin, unity_support_test returns "GL version is 1.4: yes"

  IGP/GPU: Intel Extreme Graphics 2 82865G (i865 chipset)

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