[Chimera-users] libGL.so

Greg Couch gregc at cgl.ucsf.edu
Tue May 2 14:02:29 PDT 2006

I've filed this in our bug database as bug #2709, 
for anyone who wishes to track this.


On Fri, 28 Apr 2006, Isaac Amela Abellan wrote:

> Date: Fri, 28 Apr 2006 15:50:03 +0200
> From: Isaac Amela Abellan <rker at bioinf.uab.es>
> To: chimera-users at cgl.ucsf.edu
> Subject: [Chimera-users] libGL.so
> Hello,
> I'm using Linux and when I had tried to execute chimera this message
> appeared:
> "OpenGL misconfiguration detected.
> /usr/lib/libGL.so.1 differs from /usr/X11R6/lib/libGL.so.1.
> Please read installation instructions."
> I said it several times to my system administrator and he solved it
> using your instructions  (see below):
> "If Chimera terminates with the error OpenGL misconfiguration detected,
> that means that you have two different versions of libGL.so installed --
> one in /usr/lib (installed by your graphics card drivers) and one in
> /usr/X11R6/lib  (possibly installed by Mesa, which if so would mean no
> hardware graphics acceleration if this version were used). Reinstalling
> your graphics card drivers should remove the /usr/X11R6/lib version.
> Alternatively, you could rename or remove the /usr/X11R6/lib version
> yourself. With the latter approach you might want to verify that all
> OpenGL applications that you use continue to work before permanently
> removing the library.
> On startup, you may see the warning Xlib: extension "Xfre86-DRI" missing
> on display "0.0". That means that there was no graphics driver found for
> your card that uses the DRI, direct rendering interface, technology for
> fast 3D graphics. The solution is to either ignore the warning or to
> upgrade your hardware and software (see Mesa/OpenGL issues below)."
> The problem is that when I reboot my computer the problem still appears
> and we should do the same procedure explained above. We can't configure
> the system conservating the libraries of my card drivers (/usr/lib)
> without removing the Mesa ones (/usr/X11R6/lib). How can we solve the
> problem?
> We will be waiting for your response.
> -- 
> ------------------------------------------------
> Isaac Amela Abellan
> PhD Student
> Laboratory of Bioinformatics
> Institute of Biotechnology and Biomedicine (IBB)
> Autonomous University of Barcelona (UAB)
> 08193 Bellaterra, Barcelona. Spain.
> Phone: 34-93-5812807
> e-mail: iamela at bioinf.uab.es
> ------------------------------------------------
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