Bug#639837: UI hangs for 30s while loading pages

[Mike Hommey]

On Wed, Aug 31, 2011 at 07:53:47AM +0200, Ulrich Eckhardt wrote:
> On Tuesday 30 August 2011 22:32:31 Mike Hommey wrote:
> > How big is the ~/.mozilla/firefox/*/sessionstore.js file ?
> 
>  
> uli at fruitbox:~$ ll ~/.mozilla/firefox/*/sessionstore.js
> -rw------- 1 uli uli 305k Aug 30 21:43 /home/uli/.mozilla/firefox/xzqx6a0f.default/sessionstore.js
> 
> 
> 305k on one line .. is that much/little/normal?

I'd say little to normal. When it's big, it's known to leave the UI
hanging for a while.

Another thing I can think of that could explain your symptoms is if you
have ipv6 enabled, but ipv6 doesn't actually work. I'd suggest you try
to disable ipv6 (about:config, network.dns.disableIPv6) and see how it
goes from there.

Mike