[mythtv] [OT] MePo at 100% CPU, OpenGL to blame: why?

Sid Boyce sboyce at blueyonder.co.uk
Sun Apr 1 06:21:58 UTC 2007

Stuart Morgan wrote:
> On Saturday 31 March 2007 21:56:23 Ronald Pijnacker wrote:
>> Hi,
>> In thread http://www.gossamer-threads.com/lists/mythtv/dev/255230#255230
>> someone mentioned that if OpenGL is not setup correctly, then some of
>> the themes will run at 100% CPU. Could someone point me in the right
>> direction as to what exactly is not correctly setup?
> Might not be the issue that everyone else experiences, but I often find that 
> the NVidia opengl files get overwritten every time I upgrade X11. It's then 
> operating with the much slower software GL until I notice that things are 
> sluggish or using more CPU and remember I need to reinstall the NVidia 
> driver.

This is something I'm seeing more often lately. The Xorg driver has it's 
own libglx.so which isn't a symlink and it's own nvidia_drv.so which in 
openSUSE 10.3 at least is a symlink to nv_drv.so. The telltale sign is 
that the NVidia splash doesn't appear, also /var/log/Xorg.0.log says 
those modules are both Xorg. For glxgears the frame rate on my FX5500 
256M card drops to around 184 fps from over 1400 fps with the NVidia 
Sid Boyce ... Hamradio License G3VBV, Licensed Private Pilot
Emeritus IBM/Amdahl Mainframes and Sun/Fujitsu Servers Tech Support 
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