bamfdaemon crashed with SIGSEGV in XInternAtom()

[MaxNegro]

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ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: bamfdaemon 0.2.78-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-5.32-generic 2.6.38-rc6
Uname: Linux 2.6.38-5-generic i686
NonfreeKernelModules: wl
Architecture: i386
Date: Mon Feb 28 08:59:48 2011
EcryptfsInUse: Yes
ExecutablePath: /usr/lib/bamf/bamfdaemon
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110130)
ProcCmdline: /usr/lib/bamf/bamfdaemon
ProcEnviron:
 SHELL=/bin/bash
 LANGUAGE=it_IT:it:en_GB:en
 LANG=it_IT.UTF-8
SegvAnalysis:
 Segfault happened at: 0x157b15 <XInternAtom+37>: mov 0x4d0(%esi),%eax
 PC (0x00157b15) ok
 source "0x4d0(%esi)" (0x000004d0) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: bamf
StacktraceTop:
 XInternAtom () from /usr/lib/libX11.so.6
 ?? ()
 ?? ()
 ?? ()
 g_cclosure_marshal_VOID__OBJECT () from /usr/lib/libgobject-2.0.so.0
Title: bamfdaemon crashed with SIGSEGV in XInternAtom()
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
XsessionErrors: (nautilus:1774): GConf-CRITICAL **: gconf_value_free: assertion `value != NULL' failed

[Apport retracing service (apport)]

StacktraceTop:
 XInternAtom (dpy=0x0, name=0x805d48b "_NET_WM_DESKTOP_FILE", onlyIfExists=0) at ../../src/IntAtom.c:174
 get_window_hint (self=<value optimized out>, window=0x8fa48f0, atom_name=0x805d48b "_NET_WM_DESKTOP_FILE") at bamf-matcher.c:783
 ensure_window_hint_set (self=0x8f28c40, window=0x8fa48f0) at bamf-matcher.c:1129
 handle_raw_window (self=0x8f28c40, window=0x8fa48f0) at bamf-matcher.c:1190
 g_cclosure_marshal_VOID__OBJECT (closure=0x8fa9788, return_value=0x0, n_param_values=2, param_values=0x8fa4828, invocation_hint=0xbfc77060, marshal_data=0x0) at /build/buildd/glib2.0-2.28.1/./gobject/gmarshal.c:638