unity_support_test crashed with SIGSEGV in __libc_start_main()

[Daniel Hahler]

I have just tried to run "strace /usr/lib/nux/unity_support_test" to see what is going on with this tool;
it appears to be responsible/involved in making unity fallback to unity-2d.

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: nux-tools 1.16.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-14.23-generic 3.0.9
Uname: Linux 3.0.0-14-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 285.05.09 Fri Sep 23 17:31:57 PDT 2011
 GCC version: gcc version 4.6.1 (Ubuntu/Linaro 4.6.1-9ubuntu3)
.tmp.unity.support.test.1:

ApportVersion: 1.23-0ubuntu4
Architecture: amd64
CompizPlugins: [core,bailer,detection,composite,opengl,decor,imgpng,compiztoolbox,put,vpswitch,gnomecompat,move,regex,snap,resize,animation,unitymtgrabhandles,place,copytex,mousepoll,session,grid,expo,wall,workarounds,ezoom,staticswitcher,fade,scale,unityshell]
CompositorRunning: None
Date: Fri Dec 2 10:51:34 2011
DistUpgraded: Fresh install
DistroCodename: oneiric
DistroVariant: ubuntu
DkmsStatus:
 nvidia-current, 280.13, 3.0.0-14-generic, x86_64: installed
 nvidia-current-updates, 285.05.09, 3.0.0-14-generic, x86_64: installed
 vboxhost, 4.1.6, 3.0.0-12-generic, x86_64: installed
 vboxhost, 4.1.6, 3.0.0-13-generic, x86_64: installed
 vboxhost, 4.1.6, 3.0.0-14-generic, x86_64: installed
EcryptfsInUse: Yes
ExecutablePath: /usr/lib/nux/unity_support_test
GraphicsCard:
 nVidia Corporation M116N [10de:10c5] (rev a2) (prog-if 00 [VGA controller])
   Subsystem: LeadTek Research Inc. Device [107d:5af9]
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
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: FUJITSU ESPRIMO P5645
ProcCmdline: /usr/lib/nux/unity_support_test
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/zsh
 PATH=(custom, user)
 LC_CTYPE=en_US.UTF-8
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-14-generic root=UUID=2aaafb6d-3313-4ed7-8dc0-7bf481eb98b5 ro quiet splash resume=UUID=81191f8e-ed56-4072-bab1-0a19512ac4d5 vt.handoff=7
SegvAnalysis:
 Segfault happened at: 0x40138a: movzbl (%rbx,%rax,1),%edx
 PC (0x0040138a) ok
 source "(%rbx,%rax,1)" (0x00000003) not located in a known VMA region (needed readable region)!
 destination "%edx" ok
SegvReason: reading NULL 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 1: Error: no composite extension
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout libvirtd lpadmin plugdev sambashare vboxusers
dmi.bios.date: 01/17/2011
dmi.bios.vendor: FUJITSU // Phoenix Technologies Ltd.
dmi.bios.version: 6.00 R1.11.2981.A1
dmi.board.name: D2981-A1
dmi.board.vendor: FUJITSU
dmi.board.version: S26361-D2981-A1
dmi.chassis.type: 6
dmi.chassis.vendor: FUJITSU
dmi.chassis.version: C$PIP3
dmi.modalias: dmi:bvnFUJITSU//PhoenixTechnologiesLtd.:bvr6.00R1.11.2981.A1:bd01/17/2011:svnFUJITSU:pnESPRIMOP5645:pvr:rvnFUJITSU:rnD2981-A1:rvrS26361-D2981-A1:cvnFUJITSU:ct6:cvrC$PIP3:
dmi.product.name: ESPRIMO P5645
dmi.sys.vendor: FUJITSU
version.compiz: compiz 1:0.9.6+bzr20110929-0ubuntu6
version.ia32-libs: ia32-libs 20090808ubuntu26
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.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
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 2:2.15.901-1ubuntu2.1
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 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.