There is some confusion here. I see that you try to run using mtl but
you have the wrong mca parameters. In order to activate the MTL you
should have on the mpirun command line "--mca pml cm --mca mtl mx".
As you can se from your backtrace it segfault in the BTL
initialization, which means
FWIW, I think we may have broken something in last night's tarball
(this just came up on an internal development list, too). I.e.,
someone broke something that was fixed a little while later, but the
nightly tarball was created before the problem was fixed.
Sorry about that. :-( Such is
I've grabbed last nights tarball (1.2b3r12981) and tried using the
shared mem transport on btl and mx,self on mtl, same results. What I
don't get is that, sometimes it works, and sometimes it doesn't (for
either). For example, I can run it 10 times successfully then incr the
-np from 7 to 10 across