Hi Matteo,

I can confirm this. It only happens if I build PyMOL in the macports 
environment and it's not related to any recent changes to PyMOL. So I wonder 
what they screwed up in macports...

Cheers,
  Thomas

On 22 May 2014, at 14:25, Matteo Tiberti <[email protected]> wrote:

> Dear PyMOL users,
> I'm trying to use PyMOL (open source version) 1.6.0 on Mac OSX
> Mavericks, installed through MacPorts. The same happens with pymol
> 1.7.1 as well.
> Up to yesterday everything was working perfectly fine. As far as I can
> remember nothing changed, but now when I run pymol I get this:
> 
> http://pastebin.com/uFyvYQCz
> 
> Detected OpenGL version 2.0 or greater. Shaders available.
> CShaderPrg_New-Error: vertex shader compilation failed
> name='default'; log follows.
> infoLog=ERROR: 0:1: '' :  #version required and missing.
> ERROR: 0:1: 'attribute' : syntax error syntax error
> 
> I also tried this:
> And then PyMOL crashes. I have then tried the following:
> 
> - reinstalled PyMOL 1.6.0
> - removed PyMOL 1.6.0 and installed 1.7.1
> - updated the XQuartz X server to the latest version
> - reinstalled the XQuartz X server to an older version
> - wiped MacPorts and reinstalled PyMOL and its prerequisites from scratch
> - installed the gfxCardStatus program and tried both using the
> integrated gpu and the discrete one
> - searched on the internet (of course :) )
> 
> Any idea of where this problem might come from or how I could solve it?
> 
> Thank you
> 
> Matteo

-- 
Thomas Holder
PyMOL Developer
Schrödinger, Inc.


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