empathy crashed with SIGSEGV in g_slice_free1()

Binary package hint: empathy

I clicked onto ICQ user with right click and select audio call, then crashed
Some of contacts was renamed into numbers instead theirs nicks

ProblemType: Crash
DistroRelease: Ubuntu 10.10
Package: empathy 2.32.0.1-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.35-23.37-generic 2.6.35.7
Uname: Linux 2.6.35-23-generic x86_64
Architecture: amd64
CrashCounter: 1
Date: Thu Nov 11 09:56:06 2010
ExecutablePath: /usr/bin/empathy
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
ProcCmdline: empathy
ProcEnviron:
 SHELL=/bin/bash
 LANG=cs_CZ.utf8
SegvAnalysis:
 Segfault happened at: 0x7f067fe116b9: mov (%rsi),%rdi
 PC (0x7f067fe116b9) ok
 source "(%rsi)" (0xffffffff) not located in a known VMA region (needed readable region)!
 destination "%rdi" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: empathy
StacktraceTop:
 ?? () from /lib/libglib-2.0.so.0
 g_slice_free1 () from /lib/libglib-2.0.so.0
 g_type_free_instance () from /usr/lib/libgobject-2.0.so.0
 ?? () from /usr/lib/libtelepathy-glib.so.0
 g_main_context_dispatch () from /lib/libglib-2.0.so.0
Title: empathy crashed with SIGSEGV in g_slice_free1()
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
XsessionErrors:
 (polkit-gnome-authentication-agent-1:1522): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
 (nautilus:1533): GConf-CRITICAL **: gconf_value_free: assertion `value != NULL' failed
 (nm-applet:1527): Gdk-CRITICAL **: IA__gdk_window_thaw_toplevel_updates_libgtk_only: assertion `private->update_and_descendants_freeze_count > 0' failed