Hello. I'm trying to bring up LAM 7.0.3 on a x86 machine without
much success. When I run either mpirun or lamexec I get a "Bad file descriptor"
message. I'm also seeing this problem with 6.5.9, but not 6.5.1.
I've tried to reduce it to the simplest possible example: here it
is with 6.5.9, running on a single node:
>/proj/lam/6.5.9/bin/lamnodes
n0 sleet.exa.com:1
>/proj/lam/6.5.9/bin/lamexec n0 ps
lamexec (set_stdio): Bad file descriptor
I've run this under strace, and the file descriptor is a socket. I've
done the same with 6.5.1, and the sequence of system calls is almost
the same, but the call to sendmsg that works in 6.5.1 fails in 6.5.9
and 7.0.3.
This is obviously not happening to everyone, and I'm trying to
figure out what it is about our environment that is causing it.
I've attached the compressed config.log from the 7.0.3 build.
Thanks for any help you can provide.
--
Sam Watson
Exa Corporation
781-676-8572
sam_at_[hidden]
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