unity_support_test crashed with SIGSEGV in __libc_start_main()

[Henrik]

This popped up while I reported a bug on a newly upgraded 12.04 system.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: nux-tools 2.4.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-17.26-generic 3.2.6
Uname: Linux 3.2.0-17-generic x86_64
NonfreeKernelModules: nvidia wl
.proc.driver.nvidia.gpus.0: Error: [Errno 21] Er en filkatalog: '/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 4.6.2 (Ubuntu/Linaro 4.6.2-14ubuntu2)
.tmp.unity.support.test.0:

ApportVersion: 1.91-0ubuntu1
Architecture: amd64
CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,gnomecompat,grid,imgpng,mousepoll,move,place,regex,resize,session,snap,unitymtgrabhandles,vpswitch,wall,animation,expo,ezoom,fade,scale,unityshell,workarounds]
CompositorRunning: None
CurrentDmesg:
 [ 821.229544] gnome-control-c[4062] general protection ip:7f640cdff6fc sp:7fff0ef36f20 error:0 in libdisplay.so[7f640cdf6000+10000]
 [ 1217.482970] compiz[6174]: segfault at 60 ip 00007fc69cc70a20 sp 00007fff74cce728 error 4 in libcomposite.so[7fc69cc62000+23000]
 [ 1221.377470] compiz[6228]: segfault at 60 ip 00007f009e8e1a20 sp 00007fff53cbc818 error 4 in libcomposite.so[7f009e8d3000+23000]
 [ 1336.404734] unity_support_t[7612]: segfault at ffffffffffffffff ip 000000000040164a sp 00007fffccac80b0 error 4 in unity_support_test[400000+3000]
Date: Mon Feb 20 07:40:42 2012
DistUpgraded: Log time: 2012-02-19 15:30:28.474493
DistroCodename: precise
DistroVariant: ubuntu
ExecutablePath: /usr/lib/nux/unity_support_test
GraphicsCard:
 NVIDIA Corporation C79 [GeForce 9400M] [10de:0863] (rev b1) (prog-if 00 [VGA controller])
   Subsystem: Apple Inc. Device [106b:00aa]
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
JockeyStatus:
 kmod:wl - Broadcom STA trådløs driver (Merkebeskyttet, Aktiv, I bruk) [auto-install]
 xorg:nvidia_current - NVIDIA aksellerert grafikkdriver (Merkebeskyttet, Deaktivert, Ikke i bruk)
 xorg:nvidia_current_updates - NVIDIA accelerated graphics driver (post-release updates) (Merkebeskyttet, Aktiv, I bruk)
MachineType: Apple Inc. MacBook5,1
ProcCmdline: /usr/lib/nux/unity_support_test -p -f
ProcEnviron:
 PATH=(custom, no user)
 LANG=nb_NO.UTF-8
 SHELL=/bin/bash
 LANGUAGE=nb_NO:nb:no_NO:no:nn_NO:nn:en
 LC_MESSAGES=C
ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-3.2.0-17-generic root=UUID=b8e2dba5-8300-4ad4-b21e-9943476eaccd 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: Upgraded to precise on 2012-02-19 (0 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
dmi.bios.date: 04/27/09
dmi.bios.vendor: Apple Inc.
dmi.bios.version: MB51.88Z.007D.B03.0904271443
dmi.board.asset.tag: Base Board Asset Tag#
dmi.board.name: Mac-F42D89C8
dmi.board.vendor: Apple Inc.
dmi.board.version: Proto
dmi.chassis.asset.tag: Asset Tag#
dmi.chassis.type: 10
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-F42D89C8
dmi.modalias: dmi:bvnAppleInc.:bvrMB51.88Z.007D.B03.0904271443:bd04/27/09:svnAppleInc.:pnMacBook5,1:pvr1.0:rvnAppleInc.:rnMac-F42D89C8:rvrProto:cvnAppleInc.:ct10:cvrMac-F42D89C8:
dmi.product.name: MacBook5,1
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.
version.compiz: compiz 1:0.9.7.0~bzr2995-0ubuntu4
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.30-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 8.0~rc2-0ubuntu5
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 8.0~rc2-0ubuntu5
version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu3
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.