nepomukservicestub crashed with SIGSEGV

[Hyde]

Binary package hint: kdebase-runtime

Jaunty Alpha 4, updated until08-03-2008.

Everytime I reboot the system, nepomukservicestub crashes.
I have had this problem before, but it stopped crashing after a few days, but now it does this for over 3 weeks.

ProblemType: Crash
Architecture: amd64
CrashCounter: 1
Disassembly: 0x7fc85935acfe:
DistroRelease: Ubuntu 9.04
ExecutablePath: /usr/bin/nepomukservicestub
NonfreeKernelModules: nvidia
Package: kdebase-runtime 4:4.2.1-0ubuntu1 [modified: usr/lib/kde4/libexec/kdesu]
ProcCmdline: /usr/bin/nepomukservicestub nepomukstrigiservice
ProcEnviron:
 LANG=nl_NL.UTF-8
 SHELL=/bin/bash
 LANGUAGE=
Signal: 11
SourcePackage: kdebase-runtime
Stacktrace: #0 0x00007fc85935acfe in ?? ()
StacktraceTop: ?? ()
ThreadStacktrace:

Title: nepomukservicestub crashed with SIGSEGV
Uname: Linux 2.6.28-8-generic x86_64
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

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StacktraceTop:?? ()