Hi,

I'm working on autopkgtest support in one of my packages, gyoto.

The upcoming upstream release (preview available on our alioth git repo)
features MPI parallelisation, and I want to test this feature.

In my experience, running MPI code requires network access. Failing
that, openmpi hangs the machine. For instance, when debugging in the
subway, I have to connect to my cell-phone by wifi else the computer
will freeze during the test suite!

I'm wondering whether putting "Restrictions: isolation-container" in the
test stanza is sufficient to ensure openmpi will behave properly?

Also akin, is there a way to test the code during build, since it is
forbidden to access the network at that time?

Kind regards, Thibaut.


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