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

[grizzo94]

Binary package hint: unity

System Version:
Description: Ubuntu Natty (development branch)
Release: 11.04

Software Version:
3.6.0-0ubuntu2 (unity)

Compiz crashed and then after its restart, was appeared a windows that informs me that "unity-panel-service" is crashed.

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: unity 3.6.0-0ubuntu2
ProcVersionSignature: Ubuntu 2.6.38-5.32-generic-pae 2.6.38-rc6
Uname: Linux 2.6.38-5-generic-pae i686
NonfreeKernelModules: nvidia
Architecture: i386
Date: Thu Mar 3 17:24:58 2011
ExecutablePath: /usr/lib/unity/unity-panel-service
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
InstallationMedia_: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
ProcCmdline: /usr/lib/unity/unity-panel-service
ProcEnviron:
 SHELL=/bin/bash
 LANGUAGE=it_IT:en
 LANG=it_IT.UTF-8
ProcVersionSignature_: Ubuntu 2.6.38-5.32-generic-pae 2.6.38-rc6
SegvAnalysis:
 Segfault happened at: 0xb074b341 <bamf_factory_view_for_path+177>: cmp %edx,(%eax)
 PC (0xb074b341) ok
 source "%edx" ok
 destination "(%eax)" (0x00000007) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
 bamf_factory_view_for_path () from /usr/lib/libbamf.so.0
 ?? () from /usr/lib/libbamf.so.0
 bamf_marshal_VOID__STRING_STRING () from /usr/lib/libbamf.so.0
 ?? () from /usr/lib/libdbus-glib-1.so.2
 g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
Title: unity-panel-service crashed with SIGSEGV in bamf_factory_view_for_path()
UpgradeStatus: Upgraded to natty on 2011-03-01 (2 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:
 bamf_factory_view_for_path (factory=0x89f2d80, path=0x8c2d3c8 "/org/ayatana/bamf/window31457281") at bamf-factory.c:178
 bamf_matcher_on_view_opened (proxy=0x895c438, path=0x8c2d3c8 "/org/ayatana/bamf/window31457281", type=0x8c50480 "window", matcher=0x89f2c80) at bamf-matcher.c:128
 bamf_marshal_VOID__STRING_STRING (closure=0x89fe0f8, return_value=0x0, n_param_values=3, param_values=0x8c2d278, invocation_hint=0xbfb8a080, marshal_data=0x0) at bamf-marshal.c:84
 marshal_dbus_message_to_g_marshaller (closure=0x89fe0f8, return_value=0x0, n_param_values=3, param_values=0x8e636c0, invocation_hint=0xbfb8a080, marshal_data=0x0) at dbus-gproxy.c:1681
 g_closure_invoke (closure=0x89fe0f8, return_value=0x0, n_param_values=3, param_values=0x8e636c0, invocation_hint=0xbfb8a080) at /build/buildd/glib2.0-2.28.1/./gobject/gclosure.c:767