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[Bug 1031612] [NEW] Compiz causes unity to freeze using Gallium 0.4 on ATI RV530


Public bug reported:

I was still having some odd issues, such as freezes after compiz
--replace so I installed Openbox. Freezes disappeared.

Steps to reproduce the freezes
-while in a Unity desktop session cast compiz --replace in a terminal

Install Openbox and attempt to re-log in, there'll be an "Openbox/Gnome" desktop option in the log-in menu. I've chosen that and there is no weirdness (missing universal App menu and missing dock) as if you were to enter openbox --replace from terminal running an Unity instance.

Flickering issues (some?, all?) are gone, as when I run straight Openbox. No crashes to tell of after a day's worth of operation.

I'm not using Metacity because it produces random crashes and flickering. See: https://bugs.launchpad.net/ubuntu/+source/metacity/+bug/1031609

First generation (2006) Intel MacBook Pro (Intel Core Duo, aka Yonah based processor) with an ATI Mbility Radeon X1600 video card.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: compiz 1:
ProcVersionSignature: Ubuntu 3.2.0-27.43-generic 3.2.21
Uname: Linux 3.2.0-27-generic i686
ApportVersion: 2.0.1-0ubuntu11
Architecture: i386
CompizPlugins: [core,composite,opengl,decor,resize,imgpng,widget,gnomecompat,place,session,commands,compiztoolbox,snap,move,vpswitch,unitymtgrabhandles,grid,regex,mousepoll,wall,animation,expo,fade,ezoom,workarounds,scale,unityshell]
Date: Wed Aug  1 00:39:01 2012
DistroCodename: precise
DistroVariant: ubuntu
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
PackageArchitecture: all
SourcePackage: compiz
UpgradeStatus: Upgraded to precise on 2012-03-23 (130 days ago)

** Affects: compiz (Ubuntu)
     Importance: Undecided
         Status: New

** Tags: apport-bug i386 precise running-unity ubuntu

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  Compiz causes unity to freeze using Gallium 0.4 on ATI RV530

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