[gmx-developers] Seg fault in mdrun with AltiVec and LZM/PME

[David van der Spoel]

On Tue, 2004-01-13 at 11:25, Charlie Peck wrote:
> We're trying to run the LZM molecule (with the PME configuration)
> from the gmxbench 3.0 package with GROMACS 3.1.5_pre1 under
> OSX 10.3.2.  When mdrun is compiled with AltiVec support it
> seg faults (see below).  With AltiVec support disabled it works
> fine (albeit slowly).  We have also tried it under Linux/PPC with
> similar results.
Could you try it with the 3.2.0 beta version?

> 
> Core was generated by `/usr/local/gromacs/powerpc-apple-darwin7.2.0/bin/mdrun'.
> #0  0x00196df8 in inl3100_altivec ()
> (gdb) where
> #0  0x00196df8 in inl3100_altivec ()
> #1  0x000dd9e8 in do_fnbf ()
> #2  0x000dd9e8 in do_fnbf ()
> #3  0x00041040 in force ()
> #4  0x0001e808 in do_force ()
> #5  0x000159e4 in do_md ()
> #6  0x000176c0 in mdrunner ()
> #7  0x00017cec in main ()
> #8  0x00002838 in _start (argc=10, argv=0xbffffc28, envp=0xbffffc54) 
> at /SourceCache/Csu/Csu-46/crt.c:267
> #9  0x000026ac in start ()
> 
> Any suggestions?
> 
> thanks,
> charlie peck
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-- 
David.
________________________________________________________________________
David van der Spoel, PhD, Assist. Prof., Molecular Biophysics group,
Dept. of Cell and Molecular Biology, Uppsala University.
Husargatan 3, Box 596,  	75124 Uppsala, Sweden
phone:	46 18 471 4205		fax: 46 18 511 755
spoel at xray.bmc.uu.se	spoel at gromacs.org   http://xray.bmc.uu.se/~spoel
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