On Fri, 2003-08-29 at 19:37, Glen Otero wrote: Glen, I'm happy to report you were exactly correct. HPL is now running properly for me. I hope to have more interesting things to write about soon! I am extremely grateful for your help. Cheers, Bill > WRT to HPL zombie processes, if the compute nodes are not pentium > 4processors, then you might see zombie process behavior. The > binariesfor hpl were optimized for the > Pentium 4 and uses instructions (SSE2) not available on Pentium III or > Athlon. The solution is to recompile the ATLAS library, install it and > rebuild hpl against it. It is easiest to just download the > Atlaslibraries from netlib (prebuilt) > > http://www.netlib.org/atlas/archives/linux/ > > But if you want to rebuild atlas and hpl from scratch, you shouldstart > by checking out a Rocks CVS source tree. > > # cvs -d :pserver:anonymous at cvs.rocksclusters.org: /home/cvs/CVSROOT/ > \ > checkout -r ROCKS_2_3_2_i386 rocks-src > > and make sure to get the 2_3_2 version and not the HEAD > > Rebuild and install ATLAS: > > # cd rocks/src/contrib/atlas > # make rpm > # rpm -Uvh --force /usr/src/redhat/RPMS/i386/atlas*rpm > > Rebuild HPL (no need to install it on the frontend if you don't runhpl > on the frontend): > > # cd rocks/src/contrib/hpl > # make rpm > > Rebuild your distribution: > > # cd /home/install > # rocks-dist dist > > Reinstall your compute nodes: > > #shoot-node compute-0-1 compute-0-1... >