Tabs hang with 100% CPU in e10s

Dirkjan Ochtman dirkjan at
Fri Dec 9 09:09:50 UTC 2016

On Thu, Dec 8, 2016 at 11:21 AM, Girish Sharma <scrapmachines at> wrote:
> I have been selectively disabling addons and trying out for a couple of
> days. Then I finally came to no addons and have been running my Nightly
> without any addons since yesterday now. The issue still persists, thus I
> feel that this is not any of the addons' issue.

I recently filed,
which is maybe somewhat similar? Have you tried using mozregression to
single out when this was introduced? If you're clearly able to
reproduce this and you have some idea of when it started, that could
be a quick way to narrow down the root cause. Some information on how
to do that is here:



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