PSA: e10s will soon remain active in safe mode

Gavin Sharp gavin at gavinsharp.com
Wed Jun 10 15:35:13 UTC 2015


Makes sense to me!

Gavin

On Wed, Jun 10, 2015 at 11:30 AM, Mike Conley <mconley at mozilla.com> wrote:
> Hello all,
>
> When somebody reports a problem with e10s[1] that we've not seen before,
> we often ask the user to disable their add-ons to see if the problem
> goes away. This is because there are still quite a number of
> e10s-incompatible add-ons out there, and they might be reacting in very
> strange ways.
>
> Unfortunately, the easiest way to disable the add-ons (safe mode, via
> Help > Restart with Add-ons Disabled) also happens to disable e10s.
>
> This adds confusion, and the potential for us to miss important e10s
> bugs that are not necessarily caused by add-ons. I believe there's been
> at least one occasion where safe mode caused us to erroneously assume
> that a problem was occurring due to an add-on. Leaving safe-mode and
> bisecting those add-ons resulted in us having all add-ons manually
> disabled in non-safe-mode, and the bug persisting. That was a lot of
> wasted time.
>
> Anyhow, we're going to keep e10s enabled in safe mode. The bug for this
> is https://bugzilla.mozilla.org/show_bug.cgi?id=1172491, but please
> raise any concerns with this solution here in this thread.
>
> Thanks!
>
> -Mike
>
> [1]: e10s, short for Electrolysis: https://wiki.mozilla.org/Electrolysis
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