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Bug#650962: kdebase-workspace-bin: desktop is inverted



On Sat, Dec 10, 2011 at 15:49:03 +0100, Thomas Hahn wrote:

> On Sat, Dec 10, 2011 at 02:21:59PM +0100, Julien Cristau wrote:
> > On Fri, Dec  9, 2011 at 22:39:40 +0100, Thomas Hahn wrote:
> > 
> > > If I configure desktop effects within KDE's system settings, there 
> > > is a compositing combo box where you can switch between OpenGL and XRender.
> > > If I switch to OpenGL the desktop is being inverted when I press the
> > > Apply pushbutton.
> > > Choosing the XRender there is no such effect.
> > > For the time being I have switched of Desktop Effects in KDE.
> > > Hope that helps.
> > > 
> > Please attach your X log, and the output of glxinfo.  Also make sure
> > kwin uses direct rendering.
> > 
> > Cheers,
> > Julien
> 
> Attached you will find the X log, glxinfo and the diff of .xsession-errors
> before and after switching on opengl.
> Please note that OpenGL options have Enable direct rendering clicked, but
> the info from .xsession-errors tells otherwise.
> 
from your glxinfo:
direct rendering: No (If you want to find out why, try setting LIBGL_DEBUG=verbose)

So what does "LIBGL_DEBUG=verbose glxinfo" say?  (Don't compress the
attachments it just makes it more painful to read.)

Cheers,
Julien



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