nepomukservicestub crashed with SIGSEGV in librdf_hash_get_one()

[Mauricio]

Binary package hint: kdebase-runtime

I'm activate a desactivate wifi rtl 8187b via Plasmoid Network Manager and this crash, using Kubuntu, 9.04 alpha 5 live cd not installing in the machine.

ProblemType: Crash
Architecture: amd64
DistroRelease: Ubuntu 9.04
ExecutablePath: /usr/bin/nepomukservicestub
Package: kdebase-runtime 4:4.2.0-0ubuntu1
ProcCmdline: /usr/bin/nepomukservicestub nepomukstorage
ProcEnviron:
 LANG=es_ES.UTF-8
 SHELL=/bin/bash
 LANGUAGE=
Signal: 11
SourcePackage: kdebase-runtime
StacktraceTop:
 librdf_hash_get_one () from /usr/lib/librdf.so.0
 librdf_new_uri () from /usr/lib/librdf.so.0
 raptor_namespaces_init ()
 raptor_new_namespaces ()
 rasqal_new_query () from /usr/lib/librasqal.so.1
Title: nepomukservicestub crashed with SIGSEGV in librdf_hash_get_one()
Uname: Linux 2.6.28-8-generic x86_64
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare