zeitgeist-datahub crashed with SIGSEGV in g_str_hash()

no further information

ProblemType: Crash
DistroRelease: Ubuntu 13.04
Package: zeitgeist-datahub 0.9.5-1ubuntu1
ProcVersionSignature: Ubuntu 3.8.0-17.27-generic 3.8.6
Uname: Linux 3.8.0-17-generic x86_64
ApportVersion: 2.9.2-0ubuntu5
Architecture: amd64
CrashCounter: 1
Date: Thu Apr 11 16:48:13 2013
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/zeitgeist-datahub
InstallationDate: Installed on 2013-02-28 (42 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20130228)
MarkForUpload: True
ProcCmdline: zeitgeist-datahub
ProcEnviron:
 SHELL=/usr/bin/zsh
 XDG_RUNTIME_DIR=<set>
 PATH=(custom, user)
 LANGUAGE=de_DE:en
 LANG=de_DE.UTF-8
SegvAnalysis:
 Segfault happened at: 0x7f89b8c71fb0 <g_str_hash>: movsbl (%rdi),%edx
 PC (0x7f89b8c71fb0) ok
 source "(%rdi)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%edx" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: zeitgeist-datahub
StacktraceTop:
 g_str_hash () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_hash_table_lookup () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 zeitgeist_interpretation_for_mimetype () from /usr/lib/libzeitgeist-1.0.so.1
 ?? ()
 ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
Title: zeitgeist-datahub crashed with SIGSEGV in g_str_hash()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dialout dip lpadmin plugdev sambashare sudo