On 02/03/2014 07:29 PM, Orion Poplawski wrote:

We're starting to do the Fedora EPEL builds for EPEL7. I'm building hdf5 1.8.12 with:

mpich-3.0.4-4.el7.x86_64 gcc-4.8.2-3.el7.x86_64

The following test hangs here:

$ mpirun -np 4 ./t_cache =================================== Parallel metadata cache tests mpi_size = 4 express_test = 1 =================================== *** Hint *** You can use environment variable HDF5_PARAPREFIX to run parallel test files in a different directory or to add file type prefix. E.g., HDF5_PARAPREFIX=pfs:/PFS/user/me export HDF5_PARAPREFIX *** End of Hint *** 0:setup_rand(): seed = 138071. 3:setup_rand(): seed = 149196. 2:setup_rand(): seed = 160135. 1:setup_rand(): seed = 180134. Testing server smoke check PASSED Testing smoke check #1 -- process 0 only md write strategy

Runs fine with openmpi. Not seeing problems either in Fedora, which has similar versions, so really not sure what is at issue, or how to debug further.

I ran with: MPICH_DBG_LEVEL=VERBOSE MPICH_DBG=FILE log files are here: http://www.cora.nwra.com/~orion/hdf5-mpich-debug.tar.gz Hope that helps. -- Orion Poplawski Technical Manager 303-415-9701 x222 NWRA/CoRA Division FAX: 303-415-9702 3380 Mitchell Lane [email protected] Boulder, CO 80301 http://www.cora.nwra.com