[PATCH v2] ci: support Travis CI's aarch64 builds

[Paul Chaignon]

On Sun, Nov 10, 2019 at 02:25:50AM +0300, Dmitry V. Levin wrote:
> On Fri, Nov 08, 2019 at 12:30:15PM +0100, Paul Chaignon wrote:
> > Travis CI now supports aarch64 builds, launched with the new "arch: arm64"
> > tag.  These builds are running inside LXD only for the moment.
> > 
> > The aarch64 builds tend to be a lot slower than their x86_64 counterparts,
> > so several timeout values need to be increased.
> > 
> > * .travis.yml (matrix): add aarch64 builds and mark previous builds as
> > amd64.
> > * ci/install-dependencies.sh: install packages for aarch64 builds
> > * ci/run-build-and-tests.sh: check mpers for aarch64.
> > 
> > Signed-off-by: Paul Chaignon <paul.chaignon at gmail.com>
> > ---
> >  .travis.yml                | 50 ++++++++++++++++++++++++++++++++++++++
> >  ci/install-dependencies.sh | 26 ++++++++++++++++----
> >  ci/run-build-and-tests.sh  |  3 +++
> >  tests/umount2.c            |  1 +
> 
> I suppose the tests/umount2.c part was not intended to squeeze in.
> 
> Anyway, I applied it and pushed into a test branch to see how it builds.
> Apparently, aarch64 builds are often errored out by Travis CI due to
> "No output has been received in the last 10m" condition.  I suppose this
> is a side effect of raising TIMEOUT_DURATION over the current default of
> 10 minutes.

Hm, I had that error once but later builds seemed okay.  I'll try to use
the travis_wait command pointed out by the documentation [1] to raise the
timeout on Travis CI's side in accordance with TIMEOUT_DURATION.

Is this always happening while running qual_fault.test?

1 - https://docs.travis-ci.com/user/common-build-problems/#build-times-out-because-no-output-was-received

Paul