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Bug#1012226: unattended-upgrades: flaky autopkgtest: kernel-patterns seems to regularly get confused

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On Wed, 01 Jun 2022 21:50:33 +0200 Paul Gevers <elbrus@debian.org> wrote:
> unattended-upgrades showed up in the stable-proposed queue viewer [1]
> because it appears to regress with the new xz-utils. However,
> inspecing other failures in other suites, I think the test doesn't
> behave well in archives where there are more than one version of
> src:linux available. This happens regularly in pure unstable, in
> unstable-to-testing and in stable-proposed-to-stable testing.
> 
> Can you please have a look? Because the unstable-to-testing migration
> software now blocks on regressions in testing, flaky tests, i.e. tests
> that flip between passing and failing without changes to the list of
> installed packages, are causing people unrelated to your package to
> spend time on these tests.
> 
> Don't hesitate to reach out if you need help and some more information
> from our infrastructure.

Looking at the error messages I think this is due to bug 983363 which 
isn't related to qemu, but the fact that the regexp for the running 
kernel in the test isn't closed, so it also matches the -dbg and 
-unsigned package with the same name.

Attached is a patch that fixes that part of the issue. I must confess 
that I don't fully grasp why this isn't always a problem (e.g. now on 
arm64/stable), but on my current bookworm amd64 system the test fails 
without this patch and passes with the patch.

Paul

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Bug#1012226: unattended-upgrades: flaky autopkgtest: kernel-patterns seems to regularly get confused Paul Gevers <elbrus@debian.org> - 2022-11-13 21:00 +0100

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