On Fri, Oct 23, 2020 at 09:35:09AM +0200, Kurt Roeckx wrote:
> Date: Thu, 22 Oct 2020 21:20:37 -0700
> From: Nicholas Breen
> To: am...@buildd.debian.org
> Subject: buildd host x86-conova-01 - connections to localhost during build?
> User-Agent: Mutt/1.9.4 (2018-02-28)
>
> Hello,
>
> Part of the test suite for src:gromacs launches a MPI process that
> connects to localhost. On the recently (?) added buildd x86-conova-01
> *only*, this fails:
>
> 2: Test command: /usr/bin/mpiexec.mpich "-np" "2" "-host" "localhost"
> "/<>/build/mpich/bin/testutils-mpi-test"
> "--gtest_output=xml:/<>/build/mpich/Testing/Temporary/TestUtilsMpiUnitTests.xml"
> [...]
> 2: MPID_nem_tcp_init(373).: gethostbyname failed, localhost
> (errno 0)
>
> This test passes on the other amd64 buildd hosts and the hosts for other
> architectures. The build logs don't narrow down the exact problem any
> further than that. Can x86-conova-01 please be configured similarly to
> the other hosts in this regard, or alternatively, can gromacs be
> blacklisted on it?
>
> I anticipate the same would happen on an i386 build, but it hasn't come
> up yet.
>
That is probably related to x86-conova-01 not having a (non-loopback) ipv4
address.
See https://lists.debian.org/debian-devel/2020/07/msg00070.html
Cheers,
Julien
