If you upgraded, maybe you need to re-install the cuda drivers for the video
cards as well as the cuda compiler and SDK (though I don't think the SDK is
needed for pmemd.cuda, but I may be mistaken).
I know that each time I upgraded my kernel in Ubuntu, it wreaked havoc with
my video drivers, and I had to re-install them every time to get them to
work properly. I'm not positive, but I'm guessing the upgrade to 10.04 LTS
came bundled with a newer kernel as well. It could also be that the
interface to Fermi is a little buggy, since it is a fairly new line.
Good luck!
Jason
P.S. On a related (but not totally related :) ) note, pmemd.cuda builds
perfectly fine with some versions of the intel compiler. It has been tested
and works with 10.1.015 on our local HPC cluster (all we had to do was
remove the error message and make intel a non-fatal choice for configure). I
don't have a list of intel versions it works with, since I don't have access
to more platforms with compatible cuda cards (though I could check to see if
it compiled with a couple other versions).
On Mon, May 31, 2010 at 7:35 PM, Ross Walker <ross.rosswalker.co.uk> wrote:
> Hi Levi,
>
> > I had this working in ubuntu 9.10 but since I upgraded to 10.04 I
> > get the
> > following
> > after running the amber_test_cuda.sh script...
>
> Sigh... I had a fear such things would happen... I understand now why
> people
> like Gaussian are so insistent on specific operating systems. Sure makes
> life easier now there is a complete quagmire of Linux OS's and compiler
> versions.
>
> > I dropped in a GTX275 and it works fine. I also have another machine
> > that
> > I installed
> > 10.04 on and I have a GTX480 which works fine in it. The kernel is
> > 2.6.32-21 and I also
> > tried the 2.6.32-22. I tried both gcc-4.4 and gcc-4.3 compilers...any
> > ideas?
>
> Switch back to the OS version that worked would be my suggestion. It will
> be
> the least work and the least pain ;-)
>
> Or use RedHat 4 or 5 - they work. Beyond that I'm not sure what to suggest.
> I gave up trying to be on the bleeding edge OS and compiler wise a long
> time
> ago, just found a combination that was nice and stable and that's what I
> use.
>
> You could try GCC 4.1. Note GCC-4.4 is not yet supported, last time I
> checked, with NVCC 3.0 so your choices are 4.3 or less anyway. It would be
> nice to know where it segfaults in the code though.
>
> Maybe a stack issue - Try making sure the stack is unlimited.
>
> Are you using the 64bit OS or the 32 bit one?
>
> All the best
> Ross
>
> /\
> \/
> |\oss Walker
>
> | Assistant Research Professor |
> | San Diego Supercomputer Center |
> | Tel: +1 858 822 0854 | EMail:- ross.rosswalker.co.uk |
> | http://www.rosswalker.co.uk | http://www.wmd-lab.org/ |
>
> Note: Electronic Mail is not secure, has no guarantee of delivery, may not
> be read every day, and should not be used for urgent or sensitive issues.
>
>
>
> _______________________________________________
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>
--
Jason M. Swails
Quantum Theory Project,
University of Florida
Ph.D. Graduate Student
352-392-4032
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Received on Mon May 31 2010 - 18:00:05 PDT
