I only sending this bug report with apport-cli application, unfortunately I don't no yet reproducation steps.
Atttila
ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: unity-services 5.8.0-0ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-22.35-generic-pae 3.2.14
Uname: Linux 3.2.0-22-generic-pae i686
.tmp.unity.support.test.0:
ApportVersion: 2.0-0ubuntu4
Architecture: i386
CompizPlugins: [core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell]
CompositorRunning: None
CurrentDmesg:
Date: Sun Apr 8 14:59:48 2012
DistUpgraded: Fresh install
DistroCodename: precise
DistroVariant: ubuntu
ExecutablePath: /usr/lib/unity/unity-panel-service
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta i386 (20120327)
MachineType: TOSHIBA Satellite L300
ProcCmdline: /usr/lib/unity/unity-panel-service
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-22-generic-pae root=UUID=3d559152-add4-49e2-a172-e5656b1a7afb ro quiet splash vt.handoff=7
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: unity
Title: unity-panel-service crashed with SIGSEGV in atk_object_get_n_accessible_children()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
dmi.bios.date: 03/19/2008
dmi.bios.vendor: INSYDE
dmi.bios.version: 1.30
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: Base Board Product Name
dmi.board.vendor: Intel Corp.
dmi.board.version: Base Board Version
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 1
dmi.chassis.vendor: Chassis Manufacturer
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnINSYDE:bvr1.30:bd03/19/2008:svnTOSHIBA:pnSatelliteL300:pvrPSLB0E-034016HU:rvnIntelCorp.:rnBaseBoardProductName:rvrBaseBoardVersion:cvnChassisManufacturer:ct1:cvrChassisVersion:
dmi.product.name: Satellite L300
dmi.product.version: PSLB0E-034016HU
dmi.sys.vendor: TOSHIBA
version.compiz: compiz 1:0.9.7.4-0ubuntu3
version.libdrm2: libdrm2 2.4.32-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.2-0ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.2-0ubuntu3
version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu10
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.0-0ubuntu1
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
Status changed to 'Confirmed' because the bug affects multiple users.