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[Bug 813365] [NEW] compiz leaks memory, becomes sluggish and unusable after using it for few hours


Public bug reported:

Compiz leaks memory (see memory map evolution chart attached)
After a few hours, the whole desktop becomes slow (menus opening, window's content refresh, ...) to the point the user needs to restart the desktop.

I noticed that it eats more memory when I switch between desktop, which
I use to do a lot during normal activity.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: compiz 1:
ProcVersionSignature: Ubuntu 3.0.0-5.6-generic 3.0.0-rc7
Uname: Linux 3.0.0-5-generic i686
NonfreeKernelModules: nvidia
.proc.driver.nvidia.gpus.0: Error: [Errno 21] Is a directory: '/proc/driver/nvidia/gpus/0'
.proc.driver.nvidia.registry: Binary: ""
 NVRM version: NVIDIA UNIX x86 Kernel Module  275.09.07  Wed Jun  8 15:42:20 PDT 2011
 GCC version:  gcc version 4.6.1 (Ubuntu/Linaro 4.6.1-4ubuntu1)
Architecture: i386
CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,gnomecompat,imgpng,regex,resize,mousepoll,vpswitch,grid,move,resizeinfo,place,snap,animation,session,wall,expo,workarounds,ezoom,staticswitcher,fade,scale,unityshell]
CompositorRunning: compiz
Date: Wed Jul 20 10:09:47 2011
DistUpgraded: Log time: 2009-11-14 16:29:16.249784
DistroCodename: oneiric
DistroVariant: ubuntu
 nvidia-current, 275.09.07, 3.0.0-5-generic, i686: installed
 virtualbox, 4.0.10, 3.0.0-4-generic, i686: installed
 virtualbox, 4.0.10, 3.0.0-5-generic, i686: installed
EcryptfsInUse: Yes
 nVidia Corporation G86 [GeForce 9300M G] [10de:042e] (rev a1) (prog-if 00 [VGA controller])
   Subsystem: ASUSTeK Computer Inc. Device [1043:17c2]
 xorg:nvidia_173 - NVIDIA accelerated graphics driver (Proprietary, Disabled, Not in use)
 xorg:nvidia_current - NVIDIA accelerated graphics driver (Proprietary, Enabled, Not in use)
 pkg:sl-modem-daemon - Software modem (Proprietary, Disabled, Not in use)
MachineType: ASUSTeK Computer Inc. U3SG
PackageArchitecture: all
 PATH=(custom, user)
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-5-generic root=UUID=75f23f17-3ace-4485-af57-a7318eb6c2ff ro quiet splash vt.handoff=7
Renderer: Unknown
SourcePackage: compiz
UpgradeStatus: Upgraded to oneiric on 2011-07-12 (7 days ago)
dmi.bios.date: 01/28/2008
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 305
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: U3SG
dmi.board.vendor: ASUSTeK Computer Inc.
dmi.board.version: 1.0
dmi.chassis.asset.tag: ATN12345678901234567
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK Computer Inc.
dmi.chassis.version: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr305:bd01/28/2008:svnASUSTeKComputerInc.:pnU3SG:pvr1.0:rvnASUSTeKComputerInc.:rnU3SG:rvr1.0:cvnASUSTeKComputerInc.:ct10:cvr1.0:
dmi.product.name: U3SG
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK Computer Inc.
version.compiz: compiz 1:
version.libdrm2: libdrm2 2.4.26-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 7.11~1-0ubuntu4
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 7.11~1-0ubuntu4
version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
version.xserver-xorg: xserver-xorg 1:7.6+7ubuntu4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.6.0-1ubuntu13
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.2-1ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.15.0-3ubuntu2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110411+8378443-1

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

** Tags: apport-bug compiz-0.9 i386 oneiric possible-manual-nvidia-install running-unity ubuntu unity-2d

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  compiz leaks memory, becomes sluggish and unusable after using it for
  few hours

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