unity_support_test crashed with SIGSEGV in fclose()

[macice]

Running Oneiric under Virtualbox 4.1.2 (Windows Host)

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: nux-tools 1.6.0-0ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-10.16-generic 3.0.4
Uname: Linux 3.0.0-10-generic x86_64
.tmp.unity.support.test.1:

Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
CrashCounter: 1
Date: Wed Sep 7 21:00:56 2011
DistUpgraded: Log time: 2011-09-02 09:07:35.580690
DistroCodename: oneiric
DistroVariant: ubuntu
DkmsStatus:
 virtualbox-guest, 4.1.2, 3.0.0-10-generic, x86_64: installed
 virtualbox-guest, 4.1.2, 3.0.0-9-generic, x86_64: installed
ExecutablePath: /usr/lib/nux/unity_support_test
GraphicsCard: InnoTek Systemberatung GmbH VirtualBox Graphics Adapter [80ee:beef] (prog-if 00 [VGA controller])
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110830)
Lsusb:
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 002 Device 002: ID 80ee:0021 VirtualBox USB Tablet
MachineType: innotek GmbH VirtualBox
ProcCmdline: /usr/lib/nux/unity_support_test -p -f
ProcEnviron:
 PATH=(custom, no username)
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
 LANGUAGE=en_GB:en
 LC_MESSAGES=C
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-10-generic root=UUID=16d38e47-44e0-4624-b7c7-47edf94f695d ro quiet splash vt.handoff=7
Renderer: Software
SegvAnalysis:
 Segfault happened at: 0x7f6ae174c5c4 <fclose+4>: mov (%rdi),%ecx
 PC (0x7f6ae174c5c4) ok
 source "(%rdi)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%ecx" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: nux
StacktraceTop:
 fclose () from /lib/x86_64-linux-gnu/libc.so.6
 ?? ()
 __libc_start_main () from /lib/x86_64-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: OpenGL Warning: Failed to connect to host. Make sure 3D acceleration is enabled for this VM.
UpgradeStatus: Upgraded to oneiric on 2011-09-02 (5 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
dmi.bios.date: 12/01/2006
dmi.bios.vendor: innotek GmbH
dmi.bios.version: VirtualBox
dmi.modalias: dmi:bvninnotekGmbH:bvrVirtualBox:bd12/01/2006:svninnotekGmbH:pnVirtualBox:pvr1.2:
dmi.product.name: VirtualBox
dmi.product.version: 1.2
dmi.sys.vendor: innotek GmbH
version.compiz: compiz 1:0.9.5.92+bzr2791-0ubuntu2
version.ia32-libs: ia32-libs N/A
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+7ubuntu6
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.