Source: examl Version: 3.0.20-1 Severity: important User: [email protected] Usertags: flaky
While inspecting regressions in autopkgtest results¹, I noticed that your package failed multiple times without apparent changes and passed later again. Your package is using openmpi, so it needs an update for changes in openmpi3 regarding oversubscription (see below). The last regression was involved in delaying the migration of openmpi. Quote from (please help improve that wiki page if it isn't clear): https://wiki.debian.org/ContinuousIntegration/TriagingTips/openmpi3-oversubscription ''' The solution is to add the following (or equivalent) to the test script. export OMPI_MCA_rmaps_base_oversubscribe=1 ''' Recent discussion of gating migration by autopkgtests on debian-devel² noted that if this is going to work, and in particular if we are going to *block* migration when it causes autopkgtest regressions rather than merely delaying it, intermittent autopkgtest failures are likely to have to be considered RC due to their impact on the tested package's dependencies; for now I've filed it as important. Paul ¹ https://ci.debian.net/packages/e/examl/testing/amd64 ² https://lists.debian.org/debian-devel/2018/05/msg00061.html https://ci.debian.net/data/autopkgtest/testing/amd64/e/examl/541415/log.gz Run MPI on 2 of 2 available processors Use examl with AVX support and 2 processors -------------------------------------------------------------------------- There are not enough slots available in the system to satisfy the 2 slots that were requested by the application: /usr/lib/examl/bin/examl-AVX Either request fewer slots for your application, or make more slots available for use. --------------------------------------------------------------------------
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