Firefox V33.0 locking up system

[Stephen Allen]

On Sat, Nov 29, 2014 at 11:08:06AM -0600, Chris wrote:
> On Sat, 2014-11-29 at 11:28 -0500, Stephen Allen wrote:
> > On Fri, Nov 28, 2014 at 09:52:12PM -0600, Chris wrote:
> > > This is Firefox V33 for Ubuntu. Running on Ubuntu 14.04.1 LTS and Gnome
> > > 3.12.2. I've noticed that periodically Firefox will lockup, clock on top
> > > task bar will quit running and I'll have to to CTRL-F1, log in and do a
> > > sudo reboot to restart system. Thinking it may be memory I ran Memtest86
> > > for 6hrs today with no errors noted. Could the Firefox cached web
> > > content have anything to do with this? Last night it happened as I was
> > > scrolling down through my Facebook feed.
> > 
> > Install Cinnamon and see if it works there without freezing - I assume you've disabled any add-ons to Mozilla before posting? Does it happen with add-ons disabled?
> > 
> Thanks for the reply Stephen, it's so sporadic that it may go a day or
> so then lockup. At first I thought it may have been xscreensaver because
> I'd turn the monitor on after being gone for awhile and the screen would
> be black however the mouse pointer would move. I turned that off for a
> few days however the freeze happened again this time as I was scrolling
> down through my feed in Facebook. It's weird because not only would FF
> freeze but the whole system even the clock on the top taskbar stopped.
> I'll install Cinnamon and see what add-ons I can disable that I can do
> without for now. I've been clearing the content cache every so often to
> keep it low. I'll let that go and see what happens.

Reason I suggested Cinnamon is that I had similar issues as you when I installed Gnome 3.12; since downgrading back to 3.10 they disappeared. Guess there is a reason 14.10 shipped with Gnome 3.10 instead of 3.12. ;-D