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

Ronald Pijnacker pijnacker at dse.nl
Sun Apr 1 17:23:58 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 
> driver.

One piece of information that is probably relevant:
I am using a VIA EPIA M1000 with integrated mpeg accelleration and (limited)
support for OpenGL. Both of which were autodetected and seem to be running 
fine on Ubuntu 7.04 (beta).


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