pidgin crashed with SIGSEGV in __GI___pthread_mutex_lock()

Crash when starting Pidgin, restart was successful. As I can't access the back-trace information I can't guess whether or not this is a duplicate of another bug.

ProblemType: Crash
DistroRelease: Ubuntu 13.04
Package: pidgin 1:2.10.7-0ubuntu3
ProcVersionSignature: Ubuntu 3.8.0-14.24-generic 3.8.4
Uname: Linux 3.8.0-14-generic x86_64
ApportVersion: 2.9.2-0ubuntu4
Architecture: amd64
Date: Wed Mar 27 16:49:06 2013
ExecutablePath: /usr/bin/pidgin
InstallationDate: Installed on 2012-11-27 (120 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
MarkForUpload: True
ProcCmdline: pidgin
SegvAnalysis:
 Segfault happened at: 0x7f42d107ef94 <__GI___pthread_mutex_lock+4>: mov 0x10(%rdi),%esi
 PC (0x7f42d107ef94) ok
 source "0x10(%rdi)" (0x00000081) not located in a known VMA region (needed readable region)!
 destination "%esi" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: pidgin
StacktraceTop:
 __GI___pthread_mutex_lock (mutex=0x7fff9e725410) at pthread_mutex_lock.c:50
 XrmQGetResource () from /usr/lib/x86_64-linux-gnu/libX11.so.6
 XGetDefault () from /usr/lib/x86_64-linux-gnu/libX11.so.6
 ?? () from /usr/lib/x86_64-linux-gnu/libcairo.so.2
 ?? () from /usr/lib/x86_64-linux-gnu/libcairo.so.2
Title: pidgin crashed with SIGSEGV in __GI___pthread_mutex_lock()
UpgradeStatus: Upgraded to raring on 2013-03-27 (0 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
XsessionErrors:
 (polkit-gnome-authentication-agent-1:2176): GLib-WARNING **: GChildWatchSource: Exit status of a child process was requested but ECHILD was received by waitpid(). Most likely the process is ignoring SIGCHLD, or some other thread is invoking waitpid() with a nonpositive first argument; either behavior can break applications that use g_child_watch_add()/g_spawn_sync() either directly or indirectly.
 (process:10786): GLib-CRITICAL **: g_slice_set_config: assertion `sys_page_size == 0' failed