I had just closed Skype after an "Another Skype instance may exist" error

[J.]

the UI restarted itself

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: unity 4.20.0-0ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-12.19-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
.tmp.unity.support.test.0:

ApportVersion: 1.23-0ubuntu2
Architecture: amd64
CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,gnomecompat,place,imgpng,grid,resize,snap,move,session,vpswitch,mousepoll,regex,wall,unitymtgrabhandles,animation,fade,workarounds,expo,scale,ezoom,unityshell]
CompositorRunning: compiz
CrashCounter: 1
CurrentDmesg:
 [ 27.376033] eth0: no IPv6 routers present
 [ 122.093171] process `skype' is using obsolete setsockopt SO_BSDCOMPAT
Date: Sun Oct 2 20:34:55 2011
DistUpgraded: Log time: 2011-10-02 13:50:32.890318
DistroCodename: oneiric
DistroVariant: ubuntu
ExecutablePath: /usr/bin/compiz
GraphicsCard:
 Intel Corporation 82945G/GZ Integrated Graphics Controller [8086:2772] (rev 02) (prog-if 00 [VGA controller])
   Subsystem: Device [19db:827a]
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
MachineType: TCL System Product Name
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=en
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-12-generic root=UUID=3cc9b278-a9ad-49cd-b717-7db26377136b ro quiet splash vt.handoff=7
Signal: 6
SourcePackage: unity
UpgradeStatus: Upgraded to oneiric on 2011-10-02 (0 days ago)
UserGroups: adm admin cdrom dialout dip fax floppy fuse plugdev tape video
XsessionErrors:
 (nautilus:1617): Gtk-CRITICAL **: gtk_action_set_visible: assertion `GTK_IS_ACTION (action)' failed
 (nautilus:1617): Gtk-CRITICAL **: gtk_action_set_visible: assertion `GTK_IS_ACTION (action)' failed
 (gnome-settings-daemon:1564): libappindicator-WARNING **: Unable to connect to the Notification Watcher: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name :1.112 was not provided by any .service files
dmi.bios.date: 04/09/2007
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0204
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P5LD2-TVM-SE
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0204:bd04/09/2007:svnTCL:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5LD2-TVM-SE:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: TCL
version.compiz: compiz 1:0.9.6+bzr20110929-0ubuntu1
version.ia32-libs: ia32-libs 20090808ubuntu25
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)]

Thank you for taking the time to report this crash and helping to make Ubuntu better. This particular crash has already been reported and is a duplicate of bug #857738, 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.