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[Bug 1342339] Re: error plugin opengl not loaded when starting unity

 

*** This bug is a duplicate of bug 1166765 ***
    https://bugs.launchpad.net/bugs/1166765

I second #2 comment -- Using this workaround:
https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/1166765/comments/9

corrected the problem for me. THANK YOU. This has been mindnumbingly
frustrating.

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https://bugs.launchpad.net/bugs/1342339

Title:
  error plugin opengl not loaded when starting unity

Status in compiz package in Ubuntu:
  Confirmed

Bug description:
  Compiz causes unity to fail because it can't load the opengl plugin.
  Can we have a way to workaround this to make it easier for users? It
  seems like doing something akin to 'sudo dconf reset -f /org/compiz'
  to recover might be a good solution, or figure out why the opengl
  plugin doesn't load and fix it.

  [ test case ]
  1) Install desktop normally; have nvidia hardware.
  2) Install proprietary drivers, reboot.
  3) Uninstall proprietary drivers, reboot.
  4) Repeat 2/3 until you log in and you can only see the background.

  When switching to a VT and trying to re-run unity I see the message:

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

  [ workaround ]
  In the VT do:
  sudo dconf reset -f /org/compiz/
  then log back in

  I can reproduce this in the latest trusty as of Jul 15, 2014.

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