unity-panel-service crashed with SIGSEGV in g_variant_type_info_unref()

[jerrylamos]

Oneiric Ocelot 20111007 pre-release image on IBM T40 Thinkpad
Booted up with mute on.
Tried to unmute and got this crash.

Jerry

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: unity-services 4.22.0-0ubuntu3
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic i686
.tmp.unity.support.test.1:

ApportVersion: 1.23-0ubuntu2
Architecture: i386
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
Date: Sun Oct 9 16:44:01 2011
DistUpgraded: Fresh install
DistroCodename: oneiric
DistroVariant: ubuntu
DpkgLog:

ExecutablePath: /usr/lib/unity/unity-panel-service
GraphicsCard:
 ATI Technologies Inc Radeon Mobility M7 LW [Radeon Mobility 7500] [1002:4c57] (prog-if 00 [VGA controller])
   Subsystem: IBM ThinkPad T42 2373-4WU [1014:0530]
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha i386 (20110724)
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 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 003 Device 002: ID 093a:2510 Pixart Imaging, Inc. Optical Mouse
MachineType: IBM 23736U0
PccardctlIdent:
 Socket 0:
   no product info available
 Socket 1:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
 Socket 1:
   no card
ProcCmdline: /usr/lib/unity/unity-panel-service
ProcEnviron:
 SHELL=/bin/bash
 LANG=en_US.UTF-8
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-12-generic root=UUID=329d258e-8734-43f2-8278-52e212134fd0 ro quiet splash vt.handoff=7
SegvAnalysis:
 Segfault happened at: 0x20a65e: movzbl 0x4(%eax),%edx
 PC (0x0020a65e) ok
 source "0x4(%eax)" (0x00000004) not located in a known VMA region (needed readable region)!
 destination "%edx" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
 ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
 g_variant_type_info_unref () from /lib/i386-linux-gnu/libglib-2.0.so.0
 g_variant_unref () from /lib/i386-linux-gnu/libglib-2.0.so.0
 ?? () from /usr/lib/libdbusmenu-glib.so.4
 ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
Title: unity-panel-service crashed with SIGSEGV in g_variant_type_info_unref()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
dmi.bios.date: 10/13/2005
dmi.bios.vendor: IBM
dmi.bios.version: 1RETDNWW (3.19 )
dmi.board.name: 23736U0
dmi.board.vendor: IBM
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: IBM
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnIBM:bvr1RETDNWW(3.19):bd10/13/2005:svnIBM:pn23736U0:pvrThinkPadT40:rvnIBM:rn23736U0:rvrNotAvailable:cvnIBM:ct10:cvrNotAvailable:
dmi.product.name: 23736U0
dmi.product.version: ThinkPad T40
dmi.sys.vendor: IBM
version.compiz: compiz 1:0.9.6+bzr20110929-0ubuntu3
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)]

StacktraceTop:
 g_variant_type_info_check (info=0x0, container_class=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gvarianttypeinfo.c:164
 g_variant_type_info_unref (info=0x0) at /build/buildd/glib2.0-2.30.0/./glib/gvarianttypeinfo.c:831
 g_variant_unref (value=0x8c3d480) at /build/buildd/glib2.0-2.30.0/./glib/gvariant-core.c:627
 ?? ()
 ?? ()

[Michal Hruby (mhr3)]

Thank you for taking the time to report this bug and helping to make Ubuntu better.

However, processing it in order to get sufficient information for the developers failed (it does not generate an useful symbolic stack trace). This might be caused by some outdated packages which were installed on your system at the time of the report. Please upgrade your system to the latest package versions. If you still encounter the crash, please file a new report.

Thank you for your understanding, and sorry for the inconvenience!

[Barneedhar (barneedhar)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug #819116, so it 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. Feel free to continue to report any other bugs you may find.