[Chimera-users] xfowarding not working in new chimera

[Greg Couch]

Should have said "installing the NVidia libGL.so".

     - Greg

On 04/13/2010 01:47 PM, Greg Couch wrote:
> You are correct to suspect a Mesa library problem.  We have worked 
> around the remote display problems before by installing the NVidia 
> (and dependencies) on the remote computer.  If you don't want to 
> override the system version of libGL.so, then put it in a different 
> directory and set the LD_LIBRARY_PATH environment variable to that 
> directory before running chimera.
>
> If you want to try an isolate the part of OpenGL that is causing the 
> problem, start chimera with the --debug-opengl command line option and 
> press the Disable All button to disable many OpenGL features, and then 
> Start Chimera.  If opening a PDB file works, then you can experiment 
> turning OpenGL features back on until chimera fails again.  You can 
> speed up the search if you're familiar with OpenGL and start chimera 
> with the --debug command line option -- in that case, it should 
> reliably fail in the same place and the error message should indicate 
> the part of OpenGL that is causing problems.
>
> As for running chimera on NX client, I didn't see any mention of 
> OpenGL support on the NX Server feature page, so you're probably out 
> of luck.  If you want to display remotely on a Windows computer, you 
> can install a X server that supports OpenGL, like Xming or Exceed 3D.
>
>     - Greg
>
> On 04/09/2010 05:42 PM, Kenneth Frankel wrote:
>> My older version of chimera x forwards with no problem;
>> from the about ucsf chimera window
>> its beta version 1 build 2064   2004/12/15 for linux2
>>
>> We have upgraded the 32 and 64 bit version which run fine locally.
>> but when we run from another computer with ssh either
>> with
>> -X, -Y, -XY , -o ForwardX11=yes frankel at graphics1
>> we always get a crashe after trying to do something (e.g fetch a pdb) 
>> with the same genral error message
>>
>> frankel at graphics1:/home/frankel 102% 
>> /programs/chimera-1.4.1-x86_64/bin/chimera
>> X Error of failed request:  BadRequest (invalid request code or no 
>> such operation)
>>   Major opcode of failed request:  144 (GLX)
>>   Minor opcode of failed request:  181 ()
>>   Serial number of failed request:  5374
>>   Current serial number in output stream:  5379
>>
>> (serial numbers may differ between runs)
>> Can this be fixed? (We suspect it's a mesa library problem).
>>
>> Also when running nx client, even the old version of chimera from 
>> crashes.
>> I'll have to get the error message later, but does anyone have 
>> experience running over nx client?
>>
>> we've gotten pymol, and vmd to work.
>>
>> thanks
>> Ken Frankel
>>
>>
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>>    
>
>
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