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Old 02-27-2012, 12:04 PM   #1
Registered: Apr 2011
Distribution: slackware64-current
Posts: 442

Rep: Reputation: 44
KDE 4.8 effects don't work.

After upgrading to KDE 4.8, I get the follow error when trying to get the desktop effects that worked in my previous KDE version working again:
Failed to activate desktop effects using the given configuration options. Settings will be reverted to their previous values.

Check your X configuration. You may also consider changing advanced options, especially changing the compositing type.
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And these effects are disabled:
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So, I added the following to my /etc/X11/xorg.conf:
Section "Extensions"
    Option "Composite" "Enable"
But that didn't help. I still get this message in my ~/.xsession-errors:
OpenGL vendor string:                   Tungsten Graphics, Inc
OpenGL renderer string:                 Mesa DRI Intel(R) Ironlake Mobile  
OpenGL version string:                  2.1 Mesa 7.9.2
OpenGL shading language version string: 1.20
Driver:                                 Intel
GPU class:                              i965
OpenGL version:                         2.1
GLSL version:                           1.20
Mesa version:                           7.9.2
X server version:                       1.9.5
Linux kernel version:                   3.2.2
Direct rendering:                       yes
Requires strict binding:                yes
GLSL shaders:                           yes
Texture NPOT support:                   yes
kwin(2751): KWin requires at least Mesa 7.10 for OpenGL compositing. 
kwin(2751): Failed to initialize compositing, compositing disabled 
kwin(2751): Consult
For some reason KWin thinks I have an older OpenGL version.

Interestingly, switching my compositing type from OpenGL to XRender is a small improvement, but many desktop effects still don't work.

Also, I get a KWin segmentation fault occasionally, too, which is related to this.

Thanks for the help

Last edited by Geremia; 02-27-2012 at 12:07 PM.
Old 02-28-2012, 02:52 PM   #2
Registered: Apr 2011
Distribution: slackware64-current
Posts: 442

Original Poster
Rep: Reputation: 44
Installed Mesa again

So, I re-installed Mesa, and now it works...


kde, kde configuration, kwin, opengl, x11

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