compiz crashed with SIGSEGV in PlacesResultsController::Clear()

Binary package hint: unity

Compiz crashed after selecting an app from Applications lens -> Apps available for download.

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: unity 3.8.8-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic i686
NonfreeKernelModules: wl
Architecture: i386
Date: Fri Apr 15 09:08:29 2011
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta i386 (20110330)
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x56c2cab <_ZN23PlacesResultsController5ClearEv+43>: mov (%eax),%edx
 PC (0x056c2cab) ok
 source "(%eax)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%edx" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
 PlacesResultsController::Clear() () from /usr/lib/compiz/libunityshell.so
 PlacesView::SetActiveEntry(PlaceEntry*, unsigned int, char const*, bool) () from /usr/lib/compiz/libunityshell.so
 PlacesController::OnViewShowHideFrame(PlacesController*) () from /usr/lib/compiz/libunityshell.so
 ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
 g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
Title: compiz crashed with SIGSEGV in PlacesResultsController::Clear()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare