Problem resolved when I built an mpi enabled python through mpi4py: https://groups.google.com/forum/#!topic/mpi4py/Puv4BHqQ4qY
On Thu, Apr 17, 2014 at 1:52 PM, Mike Welland <[email protected]> wrote: > Hi all, > > I built fenics on our cluster and got to the point where I can sometimes > completely run the demo_hyperelasticity.py, but only once! > > Here is the rundown: > > 1. In the python2.7/site-packages/dolfin directory I run: > rm `find ./ -name '*.pyc'` -rf > 2. In another terminal I run > python demo_hyperelasticity.py > and it works all the way through > 3. In the same terminal I repeat the command exactly, and it immediately > crashes: > Fatal error in PMPI_Init_thread: Internal MPI error! > > From that, it looks like it is in the python compilation of the pyc files > that the problem lies. Has anyone seen this before? > > Possibly related: > I still get the > python:96004 terminated with signal 7 at PC=37f720c380 SP=7fff17027758. > Backtrace: > /lib64/libpthread.so.0(pthread_spin_lock+0x0)[0x37f720c380] > ... > > error but it goes away if I just repeat the commands. It seems to come > more often if I delete ~/.instant but I can't reliably reproduce it. > > Thanks, > Mike > > > >
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