unity_support_test crashed with SIGSEGV in fclose()

[Fritz]

Crashed after compiz while switching between desktops

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: nux-tools 1.8.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-11.17-generic 3.0.4
Uname: Linux 3.0.0-11-generic i686
.tmp.unity.support.test.0:

ApportVersion: 1.22.1-0ubuntu2
Architecture: i386
CompizPlugins: [core,bailer,detection,composite,opengl,decor,place,vpswitch,compiztoolbox,regex,resize,move,snap,mousepoll,gnomecompat,grid,imgpng,animation,session,wall,unitymtgrabhandles,expo,ezoom,workarounds,staticswitcher,fade,scale,unityshell]
CompositorRunning: compiz
Date: Tue Sep 13 15:29:34 2011
DistUpgraded: Log time: 2011-08-14 13:40:38.219414
DistroCodename: oneiric
DistroVariant: ubuntu
ExecutablePath: /usr/lib/nux/unity_support_test
GraphicsCard:
 Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 07) (prog-if 00 [VGA controller])
   Subsystem: Samsung Electronics Co Ltd Device [144d:c050]
   Subsystem: Samsung Electronics Co Ltd Device [144d:c050]
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha i386 (20110803.1)
MachineType: SAMSUNG ELECTRONICS CO., LTD. R520/R522/R620
ProcCmdline: /usr/lib/nux/unity_support_test -p -f
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-11-generic root=UUID=b2879753-41f3-4a4c-bdd2-b36f82d4ca96 ro quiet splash vt.handoff=7
SegvAnalysis:
 Segfault happened at: 0x16df82 <fclose+34>: cmpb $0x0,0x46(%esi)
 PC (0x0016df82) ok
 source "$0x0" ok
 destination "0x46(%esi)" (0x00000046) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: nux
StacktraceTop:
 fclose () from /lib/i386-linux-gnu/libc.so.6
 ?? ()
 __libc_start_main () from /lib/i386-linux-gnu/libc.so.6
 ?? ()
Title: unity_support_test crashed with SIGSEGV in fclose()
UnitySupportTest: Error: command ['/usr/lib/nux/unity_support_test', '-p', '-f'] failed with exit code -11:
UpgradeStatus: Upgraded to oneiric on 2011-08-23 (21 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
dmi.bios.date: 05/22/2009
dmi.bios.vendor: Phoenix Technologies Ltd.
dmi.bios.version: 03LL.M015.20090522.Jay
dmi.board.name: R520/R522/R620
dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnPhoenixTechnologiesLtd.:bvr03LL.M015.20090522.Jay:bd05/22/2009:svnSAMSUNGELECTRONICSCO.,LTD.:pnR520/R522/R620:pvrNotApplicable:rvnSAMSUNGELECTRONICSCO.,LTD.:rnR520/R522/R620:rvrNotApplicable:cvnSAMSUNGELECTRONICSCO.,LTD.:ct10:cvrN/A:
dmi.product.name: R520/R522/R620
dmi.product.version: Not Applicable
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.
version.compiz: compiz 1:0.9.5.94+bzr2803-0ubuntu1
version.libdrm2: libdrm2 2.4.26-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 7.11-0ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 7.11-0ubuntu3
version.xserver-xorg: xserver-xorg 1:7.6+7ubuntu7
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.6.0-1ubuntu13
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20110811.g93fc084-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.15.901-1ubuntu2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110411+8378443-1

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make Ubuntu better. This particular crash has already been reported and is a duplicate of bug #843369, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.