attempting to move a favorites launcher icon crashes compiz

[Doug McMahon]

Binary package hint: unity

When grabbing a favorites icon to move to new position in launcher the icon disappears and then compiz crashes.
End of .xsession-errors (old) after a restart (fairly generic

gnome-session: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.
gnome-settings-daemon: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.
nautilus: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.
polkit-gnome-authentication-agent-1: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.
gnome-power-manager: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.
nm-applet: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.
unity-window-decorator: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.0.
nautilus: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.
XIO: fatal IO error 11 (Resource temporarily unavailable) on X server ":0"

      after 75847 requests (75847 known processed) with 0 events remaining.

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: unity 3.6.2-0ubuntu1 [modified: usr/share/compiz/unityshell.xml]
ProcVersionSignature: Ubuntu 2.6.38-5.32-generic 2.6.38-rc6
Uname: Linux 2.6.38-5-generic i686
NonfreeKernelModules: nvidia
Architecture: i386
CompizPlugins: [core,bailer,detection,composite,opengl,decor,fade,vpswitch,regex,move,gnomecompat,cube,place,rotate,resize,expo,scale,session,unityshell,scaleaddon]
Date: Mon Mar 7 21:13:54 2011
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110302)
ProcEnviron:
 LANGUAGE=en_US:en
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: unity
UpgradeStatus: No upgrade log present (probably fresh install)

[Doug McMahon (mc3man)]

Even though the above reflects a change to rotate from wall and a few disabled, the same behavior is seem with the default, supplies set of plugins

[Didier Roche-Tolomelli (didrocks)]

Hey Dough, unfortunately, I can't reproduce that here.
Can you please let apport getting a stacktrace and report it?

(sudo rm /var/crash/*compiz*, make it crash again, apport-bug -c /var/crash/*compiz*)

[Sebastien Bacher (seb128)]

it's bug #731096