firefox core-dump on 10.1-RELEASE?

[pete wright]

On Aug 11, 2015 5:22 PM, "Roland Smith" <rsmith at xs4all.nl> wrote:
>
> On Tue, Aug 11, 2015 at 12:08:26PM -0700, pete wright wrote:
> > Hi,
> > I recently upgraded firefox on my 10.1-RELEASE workstation via pkg and
> > now have periodic core dumps.  I was wondering if anyone else has
> > observed this behaviour?  If not I will attempt to get a debug build
> > created locally and try to reproduce the fault.  Here's my info:
>
> Yep, more people have noticed it.
>
> > > uname -ar && pkg info |grep firefox
> > FreeBSD pop.rubicorp.com 10.1-RELEASE-p10 FreeBSD 10.1-RELEASE-p10 #0:
> > Wed May 13 06:54:13 UTC 2015
> > root at amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC amd64
> >
> > firefox-40.0,1 Web browser based on the browser portion of Mozilla
>
> A temporary fix is implemented in 40.0_1,1; it works pretty well; have
only
> had one crash since.
>
> But today the port was updated to 40.0_2,1, and 40.0_3,1 which failed to
link
> for me.  It seems that firefox is once again churning a little bit, as it
> sometimes does.
>
> Since firefox is quite a big build, I tend to make a package of the
installed
> version before upgrading, so I can always go back if it works.
>
Thanks Roland for the reply.

Fwiw to close this thread out - here is the fix mentioned in the previous
twitter

"use about:config and set
layers.offmainthreadcomposition.enabled
to false."

This has done the trick for me so far.

Cheers,
-pete