[gmx-users] Re: [gmx-users]mdrun crashed on upgraded Dual 1.0G Mac OS X

David van der Spoel spoel at xray.bmc.uu.se
Fri May 23 09:31:02 CEST 2003

On Fri, 2003-05-23 at 01:04, taeho.kim at utoronto.ca wrote:
> Hi 
> We upgraded two old single 733/550 MHz cpu to same dual 1.0GHz cpu. It looked a 
> easy job to do so and performance is kind of impressive. However, one of 
> machine (550; installed mpi/fftw/gmx after upgrade) wasn't like the new fast 
> brain so that it crashed often, say once a day. (vs. 733; didn't reinstalled 
> 3software after cpu-upgrade, as it had mpi-enable gmx) 
check  your lam installation. Apparently the run crashes with a LAM
shared memory error. IIRC Erik L. recently said that shared memory does
not work with LAM on dual Macs. You may have to recompile LAM with TCP
networking, but check the LAM website.

Groeten, David.
Dr. David van der Spoel, 	Dept. of Cell & Mol. Biology
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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