broken pipe at MPI startup
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Qian Peng peng at apollo.gat.comWed Jan 10 18:52:37 PST 2001
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I had a small cluster of 6 duals and recently doubled the size of it. A program once ran fine on the 12 processors. Now when I run it on all 24 processors, I will occasionally get "Command terminated on signal 13" error at the mpirun level. The broken pipe is when mpirun is trying to start the executables. If I only use 12 processors, whether from 6 nodes or use one processor each from all 12 nodes, I cannot make this error happen. I'm using mpirun with ssh. It seems to be random when and on which node this error occurs. Any insights on what may the possible causes be? Thanks, -Qian Peng General Atomics
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