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

[Dmitry V. Levin]

On Sun, Nov 10, 2019 at 10:45:29AM +0100, Paul Chaignon wrote:
> 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?

There is no easy way to tell what has been running when Travis CI stopped
the build because of no output in 10 minutes.  For example, in [1]
the last three lines of output were

PASS: looping_threads.test
PASS: qual_fault-syscall.test
PASS: qual_fault.test

[1] https://travis-ci.org/strace/strace/jobs/609639678


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