Re: [PATCH v4 dwarves 0/5] pahole, btf_encoder: support --btf_features

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On Wed, Oct 25, 2023 at 3:28 PM Eduard Zingerman <eddyz87@xxxxxxxxx> wrote:
>
> On Wed, 2023-10-25 at 15:30 -0300, Arnaldo Carvalho de Melo wrote:
> > Em Wed, Oct 25, 2023 at 03:12:49PM -0300, Arnaldo Carvalho de Melo escreveu:
> > > But I guess the acks/reviews + my tests are enough to merge this as-is,
> > > thanks for your work on this!
> >
> > Ok, its in the 'next' branch so that it can go thru:
> >
> > https://github.com/libbpf/libbpf/actions/workflows/pahole.yml
> >
> > But the previous days are all failures, probably something else is
> > preventing this test from succeeding? Andrii?
>
> It looks like the latest run succeeded, while a number of previous
> runs got locked up for some reason. All using the same kernel
> checkpoint commit. I know how to setup local github runner,
> so I can try to replicate this by forking the repo,
> redirecting CI to my machine and executing it several times.
> Will do this over the weekend, need to work on some verifier
> bugs first.
>

BPF selftests are extremely unreliable under slow Github runners,
unfortunately. Kernel either crashes or locks up very frequently. It
has nothing to do with libbpf and we don't seem to see this in BPF CI
due to having much faster runners there.

I'm not sure what to do about this apart from trying to identify a
selftest that causes lock up (extremely time consuming endeavor) or
just wait till libbpf CI will be privileged enough to gain its own
fast AWS-based worker :)

But it seems like the last scheduled run succeeded, I think you are good.

> Thanks,
> Eduard.





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