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

Binary package hint: indicator-appmenu

Mouse to and away from the unity panel. Crash report at that point. No other applications running.

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: indicator-appmenu 0.1.95-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-5.32-generic 2.6.38-rc6
Uname: Linux 2.6.38-5-generic i686
Architecture: i386
Date: Sat Mar 5 18:35:02 2011
ExecutablePath: /usr/lib/unity/unity-panel-service
InstallationMedia: Ubuntu-Netbook 10.04 "Lucid Lynx" - Release i386 (20100429.4)
ProcCmdline: /usr/lib/unity/unity-panel-service
ProcEnviron:
 SHELL=/bin/bash
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
SegvAnalysis:
 Segfault happened at: 0x62d4df6 <dbusmenu_menuitem_send_about_to_show+38>: mov (%esi),%edi
 PC (0x062d4df6) ok
 source "(%esi)" (0x00000100) not located in a known VMA region (needed readable region)!
 destination "%edi" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: indicator-appmenu
StacktraceTop:
 dbusmenu_menuitem_send_about_to_show () from /usr/lib/libdbusmenu-glib.so.3
 window_menus_entry_activate () from /usr/lib/indicators/5/libappmenu.so
 ?? () from /usr/lib/indicators/5/libappmenu.so
 indicator_object_entry_activate () from /usr/lib/libindicator.so.3
 panel_service_show_entry ()
Title: unity-panel-service crashed with SIGSEGV in dbusmenu_menuitem_send_about_to_show()
UpgradeStatus: Upgraded to natty on 2011-03-02 (3 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
XsessionErrors:
 (nautilus:1444): GConf-CRITICAL **: gconf_value_free: assertion `value != NULL' failed
 (<unknown>:1437): dee-WARNING **: Transaction from com.canonical.Unity.ApplicationsPlace.SectionsModel is in the past. Ignoring transaction.