Comment 7 for bug 798868

They use a different extension to do vblank syncing iirc. It's not
really a simple answer, it might be something that can be worked
around in compiz, but I'd like to avoid that if possible.

On Tue, Jun 21, 2011 at 4:54 PM, Fabien Tassin <email address hidden> wrote:
> @smspillaz: why isn't gnome3/mutter impacted then?
>
> --
> You received this bug notification because you are a member of Unity
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> https://bugs.launchpad.net/bugs/798868
>
> Title:
>  unity very slow to move windows in oneiric
>
> Status in Unity:
>  Incomplete
> Status in “compiz” package in Ubuntu:
>  Incomplete
> Status in “unity” package in Ubuntu:
>  Incomplete
>
> Bug description:
>  Binary package hint: unity
>
>  In oneiric, moving anything (even small windows) flickers a lot, and
>  shows slow vertical redraws.
>
>  This is using the nvidia-current driver. Tested with a 9600GT and a
>  GTX260 on two different computers. Both painfully slow.
>
>  When using gnome-shell (and mutter) from oneiric (no PPA) on the same
>  boxes, with everything else untouched (X, nvidia-current, gtk), it's
>  as fast as expected
>
>  ProblemType: Bug
>  DistroRelease: Ubuntu 11.10
>  Package: unity 3.8.14-0ubuntu2
>  ProcVersionSignature: Ubuntu 3.0-0.1-generic 3.0.0-rc2
>  Uname: Linux 3.0-0-generic i686
>  NonfreeKernelModules: nvidia
>  Architecture: i386
>  CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,gnomecompat,commands,vpswitch,resize,snap,mousepoll,regex,move,place,imgpng,session,animation,wall,workarounds,expo,ezoom,staticswitcher,fade,scale,unityshell]
>  Date: Fri Jun 17 20:05:21 2011
>  InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Alpha i386 (20100331)
>  InstallationMedia_: Ubuntu 10.04 "Lucid Lynx" - Alpha i386 (20100331)
>  InstallationMedia__: Ubuntu 10.04 "Lucid Lynx" - Alpha i386 (20100331)
>  InstallationMedia___: Ubuntu 10.04 "Lucid Lynx" - Alpha i386 (20100331)
>  ProcEnviron:
>   LANGUAGE=en_US:en
>   PATH=(custom, user)
>   LANG=en_US.UTF-8
>   SHELL=/usr/bin/tcsh
>  ProcVersionSignature_: Ubuntu 3.0-0.1-generic 3.0.0-rc2
>  ProcVersionSignature__: Ubuntu 3.0-0.1-generic 3.0.0-rc2
>  ProcVersionSignature___: Ubuntu 3.0-0.1-generic 3.0.0-rc2
>  SourcePackage: unity
>  UpgradeStatus: Upgraded to oneiric on 2011-05-09 (39 days ago)
>
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> https://bugs.launchpad.net/unity/+bug/798868/+subscriptions
>

--
Sam Spilsbury