Am So, 15. Sep 2013 um 19:35:39 -0700 schrieb Josh Triplett:
> I've attached a minimal test page, which applies a vertical linear
> gradient to the body.  The body contains several thousand paragraphs,
> and as a result takes up more than 64k pixels of height.  If I attempt
> to scroll this page to the bottom, either by pressing end or by holding
> down page-down, the scrolling stops somewhere in the middle, right
> around the 64k pixel mark.  Once scrolling stops, the page no longer
> responds to any attempt to scroll with either the keyboard or the
> scrollbar.  Force-refreshing the page returns to the top.

I tested Iceweasel 24.0-2, 23.0.1-1 and 17.0.8esr-2, all show this
behaviour (Debian/sid). However, stock Firefox 24.0 is not affected. It
scrolls and shows the page without problem.

Here is a real world example: 
https://bugzilla.mozilla.org/show_bug.cgi?id=582596
Iceweasel itself does not hang, it seems only the page drawing area is
affected. One can switch between different tabs and interact with
Iceweasel. The CPU usage is down. The scroll bar itself isn't stalled
either and the slider can be moved to the bottom and back to the top -
in this case the site-content is not shown but switching tabs back and
forth will uncover the top of the page again. Search and find does work
as far as I can tell. Even if I can't see results, the slider itself is
moving when navigating to the next hit, all the way down to the bottom.

Regards
Dirk


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