Hey guys,
Thanks for the ideas. I will probably roll back to 9.10 but I think I am
going to try
and drop the GTX480 in and see if the tests still segfault. I also tried
using my
pmemd.cuda executable compiled on the working box but no go.
~Levi
On Mon, May 31, 2010 at 5:41 PM, Jason Swails <jason.swails.gmail.com>wrote:
> 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.
> >
> >
> >
> > _______________________________________________
> > AMBER mailing list
> > AMBER.ambermd.org
> > http://lists.ambermd.org/mailman/listinfo/amber
> >
>
>
>
> --
> Jason M. Swails
> Quantum Theory Project,
> University of Florida
> Ph.D. Graduate Student
> 352-392-4032
> _______________________________________________
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> http://lists.ambermd.org/mailman/listinfo/amber
>
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Received on Tue Jun 01 2010 - 12:30:06 PDT
