14.04 after upgrade freezes with fire fox

[Chris Green]

On Sat, Nov 08, 2014 at 08:49:53AM +0000, Colin Law wrote:
> On 8 November 2014 01:02, Phil G <ssc1861 at verizon.net> wrote:
> > I have the same problem, also with Chrome.  I have not been able to find a
> > solution.  It appears to be any website that has a lot of connections, for
> > ads and other content that is dynamically loaded.  TV news sites are the
> > worst.
> >
> > I frequently have to hard boot my laptop.  I regret upgrading from 12.04.
> >
> > I have an older Lenovo T61 with 2gb of ram.
> 
> Most users are not seeing such problems.  Are you also using gnome
> flashback (Phil said flashblack but I presume he meant flashback)?
> Could it be pages containing flash that are causing the problems?
> That is a question for the OP also.  In Firefox install flashblock
> addin which prevents it running flash until you allow it, and see if
> that makes a difference.
> 
> It may be that 2GB of RAM is a bit low.  Run System Monitor (or top or
> htop if you prefer command line) and see what the usage is when it is
> going wrong.  Watch for swap being used significantly.
> 
I have a friend who has been trying Ubuntu (and Lubuntu and Xubuntu)
on a three or four year old Packard Bell computer.  All his
installations have frozen the moment he does anything involving
manipulating the display.

Googling for this problem sugeests that there's something in the
latest kernel[s] which is provoking this somehow.

-- 
Chris Green