Compiz crashed when maximizing app from the unity bar

[gabr10]

Binary package hint: compiz

Compiz crashed after clicking on an icon in the unity apps bar, everything disappeared from the screen (but the wallpaper), then came back after a couple of seconds. Nothing was lost.
Info from syslog:
May 23 12:20:54 whatevercomputer kernel: [18011.606632] compiz[1561]: segfault at 0 ip (null) sp 00007fffb2d8fb58 error 14 in compiz[400000+6f000]

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: unity 3.8.12-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
Architecture: amd64
CompizPlugins: [core,bailer,detection,composite,opengl,decor,vpswitch,compiztoolbox,shift,regex,gnomecompat,grid,animation,place,mousepoll,animationaddon,resize,wall,move,imgpng,unitymtgrabhandles,session,workarounds,wobbly,expo,ezoom,staticswitcher,fade,group,scale,unityshell]
CompositorRunning: compiz
DRM.card0.DP.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
DRM.card0.DP.2:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
DRM.card0.HDMI.A.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
DRM.card0.LVDS.1:
 status: connected
 enabled: enabled
 dpms: On
 modes: 1440x900
 edid-base64: AP///////wAGr0cwAAAAAAERAQOAHhN4CiTll1RPkiciUFQAAAABAQEBAQEBAQEBAQEBAQEBHCqg9FGEGjAwIDYAL70QAAAYAAAADwAAAAAAAAAAAAAAAAAgAAAA/gBBVU8KICAgICAgICAgAAAA/gBCMTQxUFcwMyBWMCAKAEA=
DRM.card0.VGA.1:
 status: connected
 enabled: enabled
 dpms: On
 modes: 1280x1024 1280x1024 1152x864 1024x768 1024x768 1024x768 832x624 800x600 800x600 800x600 640x480 640x480 640x480 720x400
 edid-base64: AP///////wAi8C4mAQEBARQPAQNoJh547u6Vo1RMmSYPUFSt74CBgAEBAQEBAQEBAQEBAQEBMCoAmFEAKkAwcBMAUg4RAAAeAAAA/QA4TB5TDgAKICAgICAgAAAA/ABIUCBMMTk0MAogICAgAAAA/wBDTlA1MjBYQ0JHCiAgAA==
Date: Mon May 23 12:23:08 2011
DistUpgraded: Fresh install
DistroCodename: natty
DistroVariant: ubuntu
DkmsStatus: virtualbox-ose, 4.0.4, 2.6.38-8-generic, x86_64: installed
GraphicsCard:
 Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 07) (prog-if 00 [VGA controller])
   Subsystem: Hewlett-Packard Company Device [103c:30dd]
   Subsystem: Hewlett-Packard Company Device [103c:30dd]
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
InstallationMedia_: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
InstallationMedia__: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
MachineType: Hewlett-Packard HP Compaq 6530b (NA407UC#ABM)
ProcEnviron:
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-8-generic root=UUID=7c7fdea1-4929-4e17-9418-eaf2c31f9923 ro quiet splash vt.handoff=7
ProcVersionSignature_: Ubuntu 2.6.38-8.42-generic 2.6.38.2
ProcVersionSignature__: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Renderer: Unknown
SourcePackage: unity
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/08/2009
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 68PDD Ver. F.13
dmi.board.name: 30DD
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 96.22
dmi.chassis.asset.tag: CNU9070HPM
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvr68PDDVer.F.13:bd12/08/2009:svnHewlett-Packard:pnHPCompaq6530b(NA407UC#ABM):pvrF.13:rvnHewlett-Packard:rn30DD:rvrKBCVersion96.22:cvnHewlett-Packard:ct10:cvr:
dmi.product.name: HP Compaq 6530b (NA407UC#ABM)
dmi.product.version: F.13
dmi.sys.vendor: Hewlett-Packard
version.compiz: compiz 1:0.9.4+bzr20110415-0ubuntu2
version.ia32-libs: ia32-libs 20090808ubuntu13
version.libdrm2: libdrm2 2.4.23-1ubuntu6
version.libgl1-mesa-dri: libgl1-mesa-dri 7.10.2-0ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.2-0ubuntu2
version.xserver-xorg: xserver-xorg 1:7.6+4ubuntu3
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.0-0ubuntu4
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-4ubuntu7.1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu7

[Braiam Peguero (braiampe)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. Please answer these questions:
1. Is this reproducible?
2. If so, what specific steps should we take to recreate this bug? Be as detailed as possible.
This will help us to find and resolve the problem.

[Launchpad Janitor (janitor)]

[Expired for compiz (Ubuntu) because there has been no activity for 60 days.]