[llvm-dev] buildbot failure in LLVM on clang-cmake-thumbv7-a15-full-sh

[David Blaikie via llvm-dev]

On Tue, Sep 29, 2015 at 10:38 AM, Renato Golin <renato.golin at linaro.org>
wrote:

> On 29 September 2015 at 18:22, David Blaikie <dblaikie at gmail.com> wrote:
> > This buildbot looks like it's been failing since Friday - does anyone
> > know/own/care about it?
>
> Yes, we're looking into it.
>
> As you probably noticed, debugging ARM buildbots are not easy, not
> fast. Reverting commits at random also don't help with the problem,
> and bisecting can take days, if not weeks. So the one week rule to
> disable bots is too harsh on those bots.
>

Is it? While it's failing, the buildbot doesn't seem to be any use to the
community at large - it's essentially the buildbot owners problem at that
point and probably shouldn't be engaging with the community until it's
green again, I think?

Is the buildbot useful to you during this time? Or are you debugging
elsewhere/privately?

If the buildbot is useful to you, but not the community at large - perhaps
we could get in the habit of moving it into a "no email" pool whenever a
failure occurs, until it can be cleared up. (hopefully this pool is clearly
distinguished from the rest of the buildbots in the waterfall/grid view -
because it'd be helpful to be able to look at an easily distinguished
subset of the waterfall/grid and see the bots that are expected to be green
for any developer there)


> Also, please know that I do care a lot about *all* ARM bots (including
> AArch64) and I do check them multiple times a day, so if they're red,
> I'm definitely aware and trying to fix it.
>
> cheers,
> --renato
>
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