On Sat, Nov 10, 2018 at 04:09:55PM +0100, Helmut Grohne wrote:
> On Sat, Nov 10, 2018 at 09:29:42AM -0500, James McCoy wrote:
> > On Fri, Oct 26, 2018 at 03:30:54PM +0200, Helmut Grohne wrote:
> > > Looking to reproducible builds, the failure pattern looks quite random:
> > > 
> > > https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/neovim.html
> 
> > The armhf & ppc64el buildd failures I can't reproduce on the
> > porterboxes, although the latter is likely another flaky test.
> 
> armhf likely needs to be retried as the build timed out.

It should't have timed out, though.  A single test shouldn't take >150
minutes. :) It got stuck, and I would need to investigate that live.

> > > However, in local builds for unstable/amd64 in sbuild, I didn't get a
> > > single successful build.
> > 
> > If it's not any of the mentioned failures, then some more information
> > would be useful, as I have quite the opposite behavior locally.
> 
> What information are you interested in?

First off would be the actual failure, but it seems you were hitting the
one I reported to upstream.

> I also tried in pbuilder and there I only got the utf_char2bytes
> failure, not the ones with check_cores. This hints that something about
> my build environment is fishy. If I understand correctly, my user's
> resource limits "leak" through sbuild while they don't pass through
> pbuilder. Would limiting the number of processes or virtual memory be a
> plausible explanation for the failures?

Possibly.  I can more reliably hit the utf_char2bytes failure when I
have other builds running in parallel.  It seems to correlate with
resource contention.

> So it might be useful to reduce the scope of this bug to the
> utf_char2bytes failure and the armhf/ppc64el buildd failures.

Sounds reasonable.  Any help triaging/narrowing down ways to reproduce
the failures would be helpful.

Cheers,
-- 
James
GPG Key: 4096R/91BF BF4D 6956 BD5D F7B7  2D23 DFE6 91AE 331B A3DB

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