Bug#667557: libcairo2: Window switching takes longer

Michel Dänzer daenzer at debian.org
Thu Apr 5 00:15:36 PDT 2012

On Don, 2012-04-05 at 08:55 +0200, Paul Menzel wrote: 
> Am Donnerstag, den 05.04.2012, 00:07 +0200 schrieb Cyril Brulebois:
> > Paul Menzel <pm.debian at googlemail.com> (04/04/2012):
> > > I could not find anything interesting in the log files. Help to debug
> > > this problem is highly appreciated. `libdrm*` was also updated in the
> > > upgrade process but I guess the driver is the culprit.
> > 
> > libcairo2 too? Try downgrading it to testing's version if that's the
> > case. Bugs on the server talk about corruption, but performance might be
> > hit too, that's the EXA layer..
> You are dead on! Downgrading `libcairo2` from 1.12.0-2 to 1.10.2-7
> indeed solves the performance issue (and also the rendering errors I had
> experienced too).
> I therefore reassign this to `libcairo2`.

That's wrong, unfortunately. The new libcairo2 is merely triggering bugs
in EXA. This should just be marked as yet another duplicate of the
existing report about that.

Earthling Michel Dänzer           |                   http://www.amd.com
Libre software enthusiast         |          Debian, X and DRI developer

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