Bug#443936: xserver-xorg-video-mga: windowmaker and 1.9.99 get along terribly

[kls <debbts@eamp.org>]

> kls wrote:
> > I finally got around to upgrading my laptop (ATI M6LY)'s install of
> > sid, and found that this is *not* a problem in the mga driver. It's a
> > problem in some other random xorg component, presumably
> > libxcomposite1.
> >
> > To work around it, I have to disable both the Composite extension and
> > AIGLX -- it seems that with only one disabled the other caused it to
> > be re-enabled.
> >
> > (Any suggestions on tracing down what's actually wrong?)
> >
> > (e.g.
> > Section "Extensions"
> > 	Option "Composite" "disable"
> > EndSection
> > Section "ServerFlags"
> > 	Option  "AIGLX" "no"
> > EndSection
> > )
> >
> > So I guess that means this bug should either be moved to a different
> > package or closed.
>
> If I understand correctly, you are seeing WindowMaker being very slow on
> both MGA and ATI with Xorg 7.3 (xserver-xorg-core 1.4) when
> AIGLX/Composite is enabled? And it worked fine before? Does it help if
> you switch to EXA on ATI? EXA shouldn't as bad as in MGA on your board.

EXA on ATI is usable ( although I think it's barely perceptably slower
than composite-less XAA ) but compositing/aiglx(?) still has the other
non-speed related bugs:

 * wmnet's window contents being placed in the wrong location
 * windowmaker's shaped transient indicating which workspace I'm on
   isn't shaped
 * wmxmms quits with an obscure GDK error. (This happens even when not
   running under windowmaker)

For the heck of it I tried xcompmgr, and on my ATI windowmaker's
decorations are all differently wrong than on my MGA -- on the ATI
they all seem to be in a "brighten only" mode, whereas on the MGA
they're all pure transparent.

Thank you,
 - Robert Jacobs