unity_support_test crashed with SIGSEGV in __libc_start_main()

[Anthony Di Franco]

Might be a regression to #764044, might not be.
Compiz crash. Happened when resuming from display power down state.
12.04 beta 1

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: nux-tools 2.4.0-0ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-18.28-generic 3.2.9
Uname: Linux 3.2.0-18-generic x86_64
NonfreeKernelModules: nvidia
.proc.driver.nvidia.gpus.0: Error: [Errno 21] Is a directory: '/proc/driver/nvidia/gpus/0'
.proc.driver.nvidia.registry: Binary: ""
.proc.driver.nvidia.version:
 NVRM version: NVIDIA UNIX x86_64 Kernel Module 295.20 Mon Feb 6 21:07:30 PST 2012
 GCC version: gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu2)
.tmp.unity.support.test.0:

ApportVersion: 1.94-0ubuntu1
Architecture: amd64
CompizPlugins: [core,bailer,detection,composite,opengl,decor,mousepoll,move,compiztoolbox,snap,regex,place,imgpng,vpswitch,grid,gnomecompat,resize,animation,wall,unitymtgrabhandles,session,expo,fade,workarounds,ezoom,scale,unityshell]
CompositorRunning: None
CrashCounter: 1
Date: Tue Mar 6 11:45:20 2012
DistUpgraded: Fresh install
DistroCodename: precise
DistroVariant: ubuntu
DkmsStatus:
 nvidia-current-updates, 295.20, 3.2.0-17-generic, x86_64: installed
 nvidia-current-updates, 295.20, 3.2.0-18-generic, x86_64: installed
ExecutablePath: /usr/lib/nux/unity_support_test
GraphicsCard:
 NVIDIA Corporation GF106 [GeForce GTS 450] [10de:0dc4] (rev a1) (prog-if 00 [VGA controller])
   Subsystem: ASUSTeK Computer Inc. Device [1043:8365]
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120301)
JockeyStatus:
 xorg:nvidia_current - NVIDIA accelerated graphics driver (Proprietary, Disabled, Not in use)
 xorg:nvidia_current_updates - NVIDIA accelerated graphics driver (post-release updates) (Proprietary, Enabled, In use)
MachineType: HP-Pavilion GC672AA-ABA a6152n
ProcCmdline: /usr/lib/nux/unity_support_test -p -f
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.2.0-18-generic root=UUID=7b9bffe0-d344-4ac0-8c40-a8cce62ddb30 ro rootflags=subvol=@ quiet splash vt.handoff=7
SegvAnalysis:
 Segfault happened at: 0x40164a: movzbl (%rbx,%rax,1),%edx
 PC (0x0040164a) ok
 source "(%rbx,%rax,1)" (0xffffffffffffffff) not located in a known VMA region (needed readable region)!
 destination "%edx" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: nux
StacktraceTop:
 ?? ()
 __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
 ?? ()
 ?? ()
 ?? ()
Title: unity_support_test crashed with SIGSEGV in __libc_start_main()
UnitySupportTest: Error: command ['/usr/lib/nux/unity_support_test', '-p', '-f'] failed with exit code -11:
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
dmi.bios.date: 06/01/2007
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 5.03
dmi.board.name: Berkeley
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr5.03:bd06/01/2007:svnHP-Pavilion:pnGC672AA-ABAa6152n:pvr:rvnASUSTeKComputerINC.:rnBerkeley:rvr1.xx:cvnHewlett-Packard:ct3:cvrChassisVersion:
dmi.product.name: GC672AA-ABA a6152n
dmi.sys.vendor: HP-Pavilion
version.compiz: compiz 1:0.9.7.0~bzr2995-0ubuntu5
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.30-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.1-0ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.1-0ubuntu2
version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.6.99.901+git20120126-0ubuntu2
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 retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #810182, 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.