Scrolling in Nautilus, CCSM, Evince etc is jerky and looks like slideshow. Enabling "Fix screen updates in XGL with fglrx" in CCSM fixes the problem. Also with this option enabled, dash is more responsive while hovering over icons.
I am using an ati card with opensource driver.
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.tmp.unity.support.test.0:
ApportVersion: 2.0.1-0ubuntu7
Architecture: i386
CompizPlugins: [core,composite,opengl,decor,grid,commands,place,gnomecompat,session,compiztoolbox,move,regex,snap,mousepoll,animation,vpswitch,resize,imgpng,wall,workarounds,unitymtgrabhandles,ezoom,fade,scale,unityshell,expo]
CompositorRunning: compiz
DistUpgraded: Fresh install
DistroCodename: precise
DistroRelease: Ubuntu 12.04
DistroVariant: ubuntu
GraphicsCard:
Advanced Micro Devices [AMD] nee ATI Mobility Radeon HD 2400 [1002:94c9] (prog-if 00 [VGA controller])
Subsystem: Micro-Star International Co., Ltd. Device [1462:3fb9]
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
MachineType: Micro-Star International EX610
Package: compiz 1:0.9.7.6-0ubuntu1
PackageArchitecture: all
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-24-generic-pae root=UUID=2194a62e-b6eb-4366-b809-2b1f4ee19651 ro quiet splash
ProcVersionSignature: Ubuntu 3.2.0-24.37-generic-pae 3.2.14
Tags: precise precise ubuntu patch compiz-0.9
Uname: Linux 3.2.0-24-generic-pae i686
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
dmi.bios.date: 04/14/2008
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: A163DAMS V3.09
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: MS-163D
dmi.board.vendor: MSI
dmi.board.version: Ver 1.000
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrA163DAMSV3.09:bd04/14/2008:svnMicro-StarInternational:pnEX610:pvrVer1.000:rvnMSI:rnMS-163D:rvrVer1.000:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: EX610
dmi.product.version: Ver 1.000
dmi.sys.vendor: Micro-Star International
version.compiz: compiz 1:0.9.7.6-0ubuntu1
version.libdrm2: libdrm2 2.4.32-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.2-0ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.2-0ubuntu3
version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu10.1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.0-0ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20111219.aacbd629-0ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.17.0-1ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20111201+b5534a1-1build2
apport information