On Sat, Feb 12, 2005 at 05:17:18PM -0500, Michel Dänzer wrote: > On Thu, 2005-02-10 at 16:48 -0500, X Strike Force SVN Repository Admin > > > > + <p>Try to reproduce the problem by running the troublesome application from > > + a shell prompt in a terminal window with the following environment variables > > + set:</p> > > + <pre>LIBGL_ALWAYS_INDIRECT=1; export LIBGL_ALWAYS_INDIRECT > > Was this intended? This will force indirect rendering. Yes, I intended this; part of the troubleshooting procedure is to see if the problem can be reproduced with indirect rendering. > > + <p>If the problem is reproducible with indirect rendering, then there is > > + likely a problem with the GL library itself. > > Actually, more likely with the OpenGL/GLX implementation in the X > server, i.e. in paractice, most likely in the Mesa code shared between > the X server and the DRI 3D drivers. Okay, I will update the FAQ accordingly. > > + <p>On the other hand, if the problem goes away when indirect rendering is > > + used, then one of the following is at fault:</p> > > + <ul> > > + <li>the hardware-neutral parts of DRI</li> > > Apparently, when it says 'hardware-neutral parts of DRI', it really > means 'X server parts of the DRI' (which aren't necessarily > hardware-neutral)? Okay, I will update the FAQ accordingly. > > + <p>To rule out problems with the hardware-neutral parts of DRI, remove the > > + <code class="package">xlibmesa-dri</code> package if it is installed, and > > + disable the <code class="other">Load "dri"</code> line in your <code > > + class="filespec">/etc/X11/XF86Config-4</code> file. > > Only the latter is really required for this, the (non-)presence of the > former doesn't matter if the DRI is disabled in the X server. Okay, that simplifies the process for the user a bit. I will update the FAQ accordingly. Thanks for the clue application! -- G. Branden Robinson | Religious bondage shackles and Debian GNU/Linux | debilitates the mind and unfits it branden@debian.org | for every noble enterprise. http://people.debian.org/~branden/ | -- James Madison
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