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MPT Startup Failures

Article ID: 469
Last updated: 18 Jan, 2019

Problem

Occasionally, PBS jobs may fail due to mpiexec timeout problems at startup. If this happens, you will typically see several error messages similar to the following:

  • MPT: xmpi_net_accept_timeo/accept() timeout
  • MPT ERROR: could not run executable.

In the past, the following types of errors have also occurred:

  • MPT ERROR: inet_connect to host xxx port yyy failed 113
  • MPT ERROR: Assertion failed at daemon.c:272: "len == rv"
  • MPT ERROR: Assertion failed at ibdev_multirail.c:7090: "context != ((void *)0)"

Status: Under Investigation

Workaround

For instructions, see MPT Startup Failures: Workarounds.
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