[Bug 217580] Re: Slow performance with Gmail

stek79 stefano.doni at gmail.com
Sun May 3 09:46:25 UTC 2009

Sorry Alex,
     I didn't checked the linked bugs actually!

I'm very glad that eventually we all have been able to track this down!

I'm not sure this might be a driver issue, IMHO. So far there have been
reports of users with Nvidia, Intel and ATI cards (fglrx, see first post of
Mozilla bug 422330). A friend of mine keep telling me about this slowness on
ATI + radeonhd, also.

I think that users that own older PCs tends to notice this much more - my
CPU is a 1.6 GHZ AMD Athlon, and scrolling is VERY slugghish. At work I use
a much more recent notebook with ATI + radeon, and the scrolling slowness is
still there, but a bit less relevant.

So, we've likely found the long standing bug that is affecting us, good. On
bugzilla I see the status is NEW, and no more activity since August 2008.

Alex, is there something we can do to speedup this bug fixing? Perhaps
aatdark work can be useful, since it provides a clean testcase? Will FF 3.5
still have this bug?


2009/5/2 Alexander Sack <asac at jwsdot.com>

> >Did you find that gmail uses this kind of element? This might point
> directly
> to a firefox bug?
> well. i already said above that fixed positioning is known to have
> performance issues (and i gave bugzilla IDs above for them); besides
> from that its also a driver issue, because it works better with some
> drivers; the fact that other browsers dont hit this, doesn't mean that
> the drivers are right.
> --
> Slow performance with Gmail
> https://bugs.launchpad.net/bugs/217580
> You received this bug notification because you are a direct subscriber
> of the bug.
> Status in The Mozilla Firefox Browser: Unknown
> Status in XUL + XPCOM application runner: Confirmed
> Status in “firefox-3.0” source package in Ubuntu: Invalid
> Status in “xulrunner-1.9” source package in Ubuntu: Fix Committed
> Bug description:
> Binary package hint: firefox-3.0
> When scrolling in Gmail (and other websites however its not as noticable)
> the scrolling performance is terrible. There is a slight lag from when it
> starts to scroll to when it actually does scroll.  On my Windows XP machine
> it is MUCH faster (basically instant). This is present with both Compiz
> enabled and disabled.
> ProblemType: Bug
> Architecture: i386
> Date: Tue Apr 15 01:01:46 2008
> DistroRelease: Ubuntu 8.04
> NonfreeKernelModules: nvidia
> Package: firefox-3.0 3.0~b5+nobinonly-0ubuntu1
> PackageArchitecture: i386
> ProcEnviron:
>  PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
>  LANG=en_US.UTF-8
>  SHELL=/bin/bash
> SourcePackage: firefox-3.0
> Uname: Linux 2.6.24-16-generic i686

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