[colug-432] A Perplexing Problem
Stephen P. Molnar
s.molnar at sbcglobal.net
Tue Apr 19 14:51:01 EDT 2016
First of all, thanks for the reply. The results of your suggestion are:
comp at AbNormal:~/Downloads$ glxinfo | grep render
direct rendering: Yes
OpenGL renderer string: Gallium 0.4 on NV46
GL_NV_blend_square, GL_NV_conditional_render, GL_NV_depth_clamp,
To me this, unfortunately, is a typical message - I have no idea as to
The catastrophe to which I made mention was two fold; (1) the CPU fan
failed which resulted in overheating and (2) the video card failed and
was replaced. Unfortunately, the repir tech didn't give me an
information about the care, but I assume he installed the approp;riate
drivers. I'll check into that.
On 04/19/2016 11:56 AM, William E. T. wrote:
> This is a bit of a long shot, but my first gut reaction was to see if
> there is something wrong with opengl.
> In doing a quick search for Avogadro, the screenshots seem to support
> the idea that it might use opengl.
> What video card do you have?
> If you run glxinfo | grep render does it show direct rendering?
> What's the OpenGL renderer string?
> I'm not sure how much more of a help I'll be, but hopefully that gets
> you started down the right path.
> On Tue, Apr 19, 2016 at 11:43 AM, Stephen P. Molnar
> <s.molnar at sbcglobal.net <mailto:s.molnar at sbcglobal.net>> wrote:
> I have a rather perplexing problem.
> My main Linux computer is a two year old (at least the most recent
> upgrade) 3.5GHz AMD 64 bit octa-core CPU.
> Due to a rather catastrophic failure I have just upgraded the OS
> from Debian v-7.2 to Debian v-8.4.0. I downloaded the DVD-1 and
> the checksum was correct. When I burned it to a DVD here were no
> problems. Nor, were there any problems with the installation.
> However, several of the applications that I use on rather a daily
> basis are acting rather strangely. A case in point is Avogadro,
> which happens to be a part of the distribution and therefore I
> didn’t have to compile the source code. It installed without any
> warnings or errors. When I run the application the graphic window
> is corrupted! This is also the case with another application,
> VMD, that I downloaded and installed. Both application worked
> without any problems in the previous Debian OS.
> There are other applications that I run, both in gui’s and
> terminals that continue to run flawlessly in the new OS.
> Now, if that isn’t confusing enough, I tried something else. I
> installed the Linux VMWare Workstation 12 Player and installed the
> same Debian 8.4.0 in that. And . . . the display problem no
> longer exists!
> Obviously, I don’t want to have to run the native Linux
> Distribution in an VM, but I don’t have the faintest clue as to
> what is going on, nor any inkling how to fix the problem.
> Although I have been a computer user since 1960’s I am an Organic
> Chemist and neither a hardware or software person.
> I would really be most appreciative of any assistance.
> Thanks in advance.
> Stephen P. Molnar, Ph.D. Life is a fuzzy set
> www.molecular-modeling.net <http://www.molecular-modeling.net>
> Stochastic and Multivariate
> s.molnar at sbcglobal.net <mailto:s.molnar at sbcglobal.net>
> (614)312-7528 <tel:%28614%29312-7528>(c)
> Skype: smolnar1
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