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Re: Firefox/Iceweasel 3: agony of the snail



Florian Kulzer wrote:
On Sun, Jul 20, 2008 at 00:24:33 -0700, Jim McCloskey wrote:
An upgrade to testing this afternoon unexpectedly brought me
Firefox/Iceweasel 3.0, which was fairly exciting. Here, though, it is
just agonizingly slow---10-12 seconds between clicking `Bookmarks' in
the Toolbar and the display of the menu. Scrolling through:

  http://lists.debian.org/debian-user/2008/07/thrd4.html

is like wading through thick, thick mud. When one moves from screen to
screen, iceweasel/firefox takes about 7 or 8 seconds to redraw its
window. It's really unusable.

Is anyone else seeing this?

Epiphany behaves similarly, but Konqueror and Mozilla are wonderfully
fast, suggesting that the problem (whatever it is) lies with Gecko.

This last suspicion was confirmed when I installed epiphany-webkit and
called it explicitly. It was just as fast as Konqueror and Mozilla.

Upgrading to 3.0.1 in unstable makes matters, if anything, worse.

Downgrading to version 2.0 in stable restores normal speed and usability.

The problem is the same in the binary version available directly from mozilla.org.

I suspect that this might have something to do with your video driver
and the acceleration method that is used. Please post the output of
these two commands:

grep -B1 -A4 'drivers/' /var/log/Xorg.0.log

grep 'Accel\|XAA\|EXA' /var/log/Xorg.0.log


Very good point:

/home/hugoSun Jul 20-09:43:32SDB5# grep -B1 -A4 'drivers/' /var/log/Xorg.0.log
(II) LoadModule: "nvidia"
(II) Loading /usr/lib/xorg/modules/drivers//nvidia_drv.so
(II) Module nvidia: vendor="NVIDIA Corporation"
        compiled for 4.0.2, module version = 1.0.0
        Module class: X.Org Video Driver
(II) LoadModule: "evdev"
/home/hugoSun Jul 20-09:43:38SDB5# grep 'Accel\|XAA\|EXA' /var/log/Xorg.0.log
(**) NVIDIA(0): Option "RenderAccel" "True"
(II) NVIDIA(0): NVIDIA 3D Acceleration Architecture Initialized
/home/hugoSun Jul 20-09:44:17SDB5#

I see no performance problems with latest Sid IW.

Hugo


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