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Updated and Optimized Ubuntu Free Graphics Drivers
I am using Ubuntu 14.04, i installed this PPA, now my system have no unity bar.
boby@fwhlin:~$ glxinfo | grep OpenGL
OpenGL vendor string: X.Org
OpenGL renderer string: Gallium 0.4 on AMD REDWOOD
OpenGL core profile version string: 3.3 (Core Profile) Mesa 10.4.0-devel (git-4ca203f 2014-08-28 trusty-oibaf-ppa)
OpenGL core profile shading language version string: 3.30
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
OpenGL version string: 3.0 Mesa 10.4.0-devel (git-4ca203f 2014-08-28 trusty-oibaf-ppa)
OpenGL shading language version string: 1.30
OpenGL context flags: (none)
OpenGL ES profile version string: OpenGL ES 3.0 Mesa 10.4.0-devel (git-4ca203f 2014-08-28 trusty-oibaf-ppa)
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.0
OpenGL ES profile extensions:
Switching tabs not working (alt+tab), once a screen go background, getting back to it is vvery difficult, now now i made chrome always on top.
When i try reverting to default open source driver, i get error
boby@fwhlin:~$ sudo ppa-purge ppa:oibaf/graphics-drivers
[sudo] password for boby:
Updating packages lists
PPA to be removed: oibaf graphics-drivers
Warning: Could not find package list for PPA: oibaf graphics-drivers