I'm using mpirun and the nodes are all on the same machin (a 8 cpu box with an intel i7). coresize is unlimited:
ulimit -a core file size (blocks, -c) unlimited David n Fri, 2010-08-13 at 13:47 -0400, Jeff Squyres wrote: > On Aug 13, 2010, at 1:18 PM, David Ronis wrote: > > > Second coredumpsize is unlimited, and indeed I DO get core dumps when > > I'm running a single-processor version. > > What launcher are you using underneath Open MPI? > > You might want to make sure that the underlying launcher actually sets the > coredumpsize to unlimited on each server where you're running. E.g., if > you're using rsh/ssh, check that your shell startup files set coredumpsize to > unlimited for non-interactive logins. Or, if you're using (for example) > Torque, check to ensure that jobs launched under Torque don't have their > coredumpsize automatically reset to 0, etc. >