nepomukservicestub crashed with SIGSEGV in QUrl::isEmpty()

[Mr. Vero]

Binary package hint: kdebase-runtime

Setting up Deluge I'm having a crash that repeats until the program is shutdown for restart

KDE 4.4.2
2.6.32-19-generic
Kubuntu 10.04

ProblemType: Crash
DistroRelease: Ubuntu 10.04
Package: kdebase-runtime 4:4.4.2-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.32-19.28-generic 2.6.32.10+drm33.1
Uname: Linux 2.6.32-19-generic x86_64
Architecture: amd64
Date: Fri Apr 2 20:55:52 2010
ExecutablePath: /usr/bin/nepomukservicestub
InstallationMedia:

ProcCmdline: /usr/bin/nepomukservicestub nepomukfilewatch
ProcEnviron:
 LANG=da_DK.UTF-8
 SHELL=/bin/bash
 LANGUAGE=
SegvAnalysis:
 Segfault happened at: 0x7f58f0febd5f <_ZNK4QUrl7isEmptyEv+31>: mov 0x8(%rax),%eax
 PC (0x7f58f0febd5f) ok
 source "0x8(%rax)" (0x00000269) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: kdebase-runtime
StacktraceTop:
 QUrl::isEmpty() const ()
 ?? () from /usr/lib/libnepomuk.so.4
 ?? () from /usr/lib/libnepomuk.so.4
 ?? () from /usr/lib/libnepomuk.so.4
 ?? () from /usr/lib/kde4/nepomukfilewatch.so
Title: nepomukservicestub crashed with SIGSEGV in QUrl::isEmpty()
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:
 QUrl::isEmpty (this=0x1019598) at io/qurl.cpp:4165
 Nepomuk::ResourceData::resetAll (this=0x1019590,
 ~ResourceData (this=0x1019598)
 Nepomuk::ResourceManagerPrivate::cleanupCache (
 ?? () from /usr/lib/kde4/nepomukfilewatch.so