Fair enough.

I'll take it as a learning experience that I need to backout the related
tests as well as the issue and I take full responsibility for not backing
out the tests as well, which caused reds.

Having said that, having cooperation from developers would be appreciated.
We're trying to get a working build out to our end users.  Not argue where
the issues are.

If there's no cooperation, I'll back out of the whole thing next time and
possibly asking sheriffs to help.

Regards,
Naoki



On Mon, Jul 27, 2015 at 2:21 PM, L. David Baron <dba...@dbaron.org> wrote:

> On Monday 2015-07-27 12:03 -0700, Naoki Hirata wrote:
> > The dev knew about the crash locally:
> > https://bugzilla.mozilla.org/show_bug.cgi?id=1186965#c24
> > So shouldn't that prevent him from landing in the first place if he's
> > crashing locally?
>
> That comment was from after the regression was found, not before.
>
> Developers are not responsible for manually testing things across
> multiple devices and platforms unless there's particular reason to
> think that such testing is needed (e.g., because the change has
> platform-specific or device-specific code).
>
> The underlying problem here is that it's relatively easy to have a
> build that we consider unacceptable for our nightly users that still
> passes all of our automated tests.  (In this case that appears to be
> because we're only running Firefox OS mochitests on top of Android
> ICS, which isn't what we're shipping to our nightly users.)  If the
> automated test coverage covered most of the things that we consider
> essential for our nightly users, as it does for Firefox, we'd be
> much less likely to have these problems.
>
> And people doing backouts are still responsible for backing out
> changes correctly, and in a way that doesn't break other tests.
>
> -David
>
> --
> 𝄞   L. David Baron                         http://dbaron.org/   𝄂
> 𝄢   Mozilla                          https://www.mozilla.org/   𝄂
>              Before I built a wall I'd ask to know
>              What I was walling in or walling out,
>              And to whom I was like to give offense.
>                - Robert Frost, Mending Wall (1914)
>
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