Bug#455786: can't see video with swfdec on xserver-xorg but works on Xephyr

[Brice Goglin <Brice.Goglin@ens-lyon.org>]

Santiago Garcia Mantinan wrote:
> Package: xserver-xorg
> Version: 1:7.3+7
> Severity: important
>
> The problem seems to be related to painting an image with cairo and maybe
> scaling.
>
> For example, trying to see a youtube video fails, also some swf files on
> which there is a bitmap mixed with some vector graphics, are seen ok on
> standard size, but when they are scaled up the bitmap dissapears, then if
> size is restored the bitmap is shown again. A silly url for you to test
> besides youtube can be: http://misc.manty.net/brit.html
>
> I have tested the same program with Xephyr instead of the xserver-xorg
> server and it works ok, it also works ok if I downgrade to xserver-xorg on
> testing. Even though the machine has an Ati card I have xchanged it with a
> Nvidia and it also behaved exactly the same way.
>
> Exporting the window through ssh from the failing machine to a machine
> running stable or testing let's swfdec work.
>
> Playing the files with swfplay (a program made for debugging swfdec) using
> the -i option which is descrived as:
> -i, --image	use an intermediate image surface for drawing
> makes it work, but doing it without the -i option fails.
>   

What did you upgrade when the breakage appeared? the whole Xorg from
testing to unstable? or did you just update your unstable?

Can you try xserver-xorg-video-ati 6.7.196-2 currently in experimental?

Brice