Re: [OMPI users] Hang in mpi on 32-bit

2018-11-26 Thread Nathan Hjelm via users
Can you try configuring with —disable-builtin-atomics and see if that fixes the issue for you? -Nathan > On Nov 26, 2018, at 9:11 PM, Orion Poplawski wrote: > > Hello - > > We are starting to see some mpi processes "hang" (really cpu spin and never > complete) on 32 bit architectures on Fed

[OMPI users] Hang in mpi on 32-bit

2018-11-26 Thread Orion Poplawski
Hello - We are starting to see some mpi processes "hang" (really cpu spin and never complete) on 32 bit architectures on Fedora during package tests. Some examples: hpl 2.2 and openmpi 2.1.5 on i686 and arm: https://koji.fedoraproject.org/koji/taskinfo?taskID=31129461 hdf5 1.8.20 and open