Firefox waving when moving the page up and down

[jack]

On Wed, 2007-12-12 at 09:45 -0500, Ashley Benton wrote:
> It's possible that the machine had been low on ram or CPU but I don't
> see the reason (installation and updates were done and only firefox
> was open when it begun) and why that doesn't do it with Ubuntu 7.10
> since I tried just after. Maybe it is my video card driver that was
> tired yesterday. 
> Usually when the CPU is low the mouse moves very slowly and the
> computer is unresponsive. At least that what that does on my son's
> computer when he tried to play with video games that have too much
> graphic compare to the ability of the computer. Most of the time I
> have to kill the application or reboot. I didn't have any trouble with
> my mouse or anything else (could open, close documents and windows)
> yesterday ,just the waving trouble, so that would send me to the video
> card first. 
> Anyway, Thank you for your answer, I'll know what to look if it
> happens again.
> Meg
> 
> On Dec 12, 2007 9:21 AM, Steve Flynn <anothermindbomb at gmail.com>
> wrote:
>         On Dec 12, 2007 2:07 PM, Ashley Benton <meggalen at gmail.com>
>         wrote:
>         > A little difficult in English, sorry. I mean that it goes up
>         or down but the
>         > page is doing the same than a flag that is move by the wind,
>         or kind of, or
>         > like the ripe in the lake if you send a rock. Is it
>         understandable? 
>         
>         
>         Yup - understandable. Also a complete mystery to me. The only
>         thing I
>         can think of is that the machine was so low on RAM and/or CPU
>         that
>         you're seeing the effects of very slow screen redraw. Either
>         that or 
>         some oddball video card drivers going a little mad.
>         
>         Doesn't explain how you can see it repeatedly however and how
>         it's
>         cleared itself up without any intervention.
> 
Almost sounds like desktop effects are turned on... Did you check to see
if this was the case ? If so, all of your application windows will act
that way.