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OpenMPI single-copy via cross-memory attach (CMA) fails with EPERM #128
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This was referenced Mar 15, 2018
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OpenMPI single-copy message transfers via CMA do not work because the processes need permission to
ptrace(2)one another, which they don't have.Details are in the FAQ.
This issue is to track whether we can do something about this in Charliecloud.
See also issue #126.
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