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Just to polish this thread off....
To make openmpi work on my OS X 10.5 machine I need only:
I then edited
# set ports so that they are more valid than the default ones (see
email from Ralph Castain)
btl_tcp_port_min_v4 = 36900
btl_tcp_port_range = 32
Which may be a kludge only I need because I am being silly and running
openMPI as an admin-privileged user.
For my environment, I don't *need* to set anything, though I find it
useful to set:
Note that I do not think I need to set LD_LIBRARY_PATH (which I don't
think OS X knows anything about anyway) nor DYLD_LIBRARY_PATH. This
is consistent with the FAQ that warns against setting those (though
when I had them set there didn't seem to be any ill effects).
I'm running a long job now under torque/pbs. I'll see if it survives
the weekend (I had trouble with XGrid jobs dying after 10 hours or so
due to an sshd deciding it was a security breach and killing all the
Anyways, all seems to be working so far. Sorry that my poor choice in
user management caused so many mysteries. Thanks for everyone's help.