From Fedora Project Wiki
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= NVidia issues with KDE 4 =
= NVidia issues with KDE 4 =
==Background==
There are some performance issues of NVidia proprietary driver and KWin with effects enabled.
==How-to==
Tweak NVidia settings.
<pre>
<pre>
nvidia-settings -a InitialPixmapPlacement=2 -a GlyphCache=1
nvidia-settings -a InitialPixmapPlacement=2 -a GlyphCache=1
</pre>
</pre>


Edit your xorg.conf and add these options:
<pre>
<pre>
Option "AllowSHMPixmaps" "0"             
Option "AllowSHMPixmaps" "0"             
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</pre>
</pre>


<pre>
KWIN_NVIDIA_HACK is enabled by default in KDE 4.0.3.
export KWIN_NVIDIA_HACK=1
</pre>

Revision as of 07:29, 18 September 2008

NVidia issues with KDE 4

Background

There are some performance issues of NVidia proprietary driver and KWin with effects enabled.

How-to

Tweak NVidia settings.

nvidia-settings -a InitialPixmapPlacement=2 -a GlyphCache=1

Edit your xorg.conf and add these options:

Option "AllowSHMPixmaps" "0"             
Option "PixmapCacheSize" "1000000"

KWIN_NVIDIA_HACK is enabled by default in KDE 4.0.3.