Re: regressions in X11R7 and/or firefox3?

["George Michaelson" <ggm%pobox.com@localhost>]

On Thu, Jan 15, 2009 at 6:13 AM, Jared D. McNeill 
<jmcneill%invisible.ca@localhost> wrote:
> Craig Kulesa wrote:
>>
>> George Michaelson wrote:
>> [...]
>>>
>>> and also some very odd failure- to-paint in parts of the image. its
>>> picking up the state of the (virtual) root/desktop window in some
>>> alpha-channel regions of the display, outside of the core web view.
>>
>> Can you try setting Option "XaaNoOffscreenPixmaps" in the "Device" section
>> of your xorg.conf, and restarting X?
>>
>> This worked for me under NetBSD and FreeBSD, both using Xorg and Firefox
>> 3.  It looks like some image rendering optimizations have exposed bugs in at
>> least some Xorg servers.
>
> The other workaround which may give better performance depending on your
> chipset is;
>
>  Option "AccelMethod" "EXA"
>  Option "MigrationHeuristic" "greedy"
>
> Solved the problem for me on i945 and i965 with xf86-video-intel.
>
> Cheers,
> Jared
>

worked for me too, many thanks for clue.

-G