nepomukservicestub crashed with SIGSEGV in librdf_hash_get_one()

[Shyam]

Binary package hint: kdebase-runtime

This crash appears during kde4 login
Stack trace

Stacktrace:
 #0 0xb5f0a8bd in librdf_hash_get_one () from /usr/lib/librdf.so.0
 #1 0xb5f0536b in librdf_new_uri () from /usr/lib/librdf.so.0
 #2 0xb5f1ad94 in ?? () from /usr/lib/librdf.so.0
 #3 0xb5e78e7a in raptor_namespaces_init () from /usr/lib/libraptor.so.1
 #4 0xb5e79004 in raptor_new_namespaces () from /usr/lib/libraptor.so.1
 #5 0xb5ed357a in rasqal_new_query () from /usr/lib/librasqal.so.1
 #6 0xb5f1fdb1 in ?? () from /usr/lib/librdf.so.0
 #7 0xb5f1d471 in librdf_new_query_from_factory () from /usr/lib/librdf.so.0
 #8 0xb5f1d718 in librdf_new_query () from /usr/lib/librdf.so.0
 #9 0xb5f4ae63 in Soprano::Redland::RedlandModel::executeQuery ()
    from /usr/lib/soprano/libsoprano_redlandbackend.so
 #10 0xb6d56e5d in Soprano::FilterModel::executeQuery ()
    from /usr/lib/libsoprano.so.4
 #11 0xb6077082 in Soprano::Index::IndexFilterModel::rebuildIndex ()
    from /usr/lib/libsopranoindex.so.1
 #12 0xb60c5ac0 in ?? () from /usr/lib/kde4/nepomukstorage.so
 #13 0xb7dc574e in ?? () from /usr/lib/libQtCore.so.4
 #14 0xb69364ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
 #15 0xb6b0b31e in clone () from /lib/tls/i686/cmov/libc.so.6

ProblemType: Crash
Architecture: i386
DistroRelease: Ubuntu 9.04
ExecutablePath: /usr/bin/nepomukservicestub
Package: kdebase-runtime 4:4.1.96-0ubuntu2
ProcCmdline: /usr/bin/nepomukservicestub nepomukstorage
ProcEnviron:
 LANG=en_US.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
 ?? () from /usr/lib/librdf.so.0
 raptor_namespaces_init () from /usr/lib/libraptor.so.1
 raptor_new_namespaces () from /usr/lib/libraptor.so.1
Title: nepomukservicestub crashed with SIGSEGV in librdf_hash_get_one()
Uname: Linux 2.6.28-4-generic i686
UserGroups: adm admin cdrom dialout fuse lpadmin netdev plugdev sambashare

[Jonathan Thomas (echidnaman)]

It crashes in the redland backend.