Tabs hang with 100% CPU in e10s

Girish Sharma scrapmachines at
Fri Dec 9 09:25:41 UTC 2016

Scrolling Twitter will also do a network call to load more tweets, so its
possible that its related. Will try to use mozregression to nail down, but
I have been facing this since at least 2 months now. (Again, only on one of
my machines)


On Fri, Dec 9, 2016 at 2:39 PM, Dirkjan Ochtman <dirkjan at> wrote:

> 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:
> Cheers,
> Dirkjan

Girish Sharma
B.Tech(H), Civil Engineering,
Indian Institute of Technology, Kharagpur
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