nepomukservicestub crashed with SIGSEGV in QMutex::lock().. Upgrade of intrepid to jaunty. No sound

[happytig3r]

No sound at all on system after upgrade from intrepid to jaunty

ProblemType: Crash
Architecture: amd64
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=en_DK.UTF-8
 SHELL=/bin/bash
 LANGUAGE=
Signal: 11
SourcePackage: kdebase-runtime
StacktraceTop:
 QMutex::lock () from /usr/lib/libQtCore.so.4
 QThread::isRunning () from /usr/lib/libQtCore.so.4
 ?? () from /usr/lib/kde4/nepomukstrigiservice.so
 ?? () from /usr/lib/kde4/nepomukstrigiservice.so
 QObjectPrivate::deleteChildren ()
Title: nepomukservicestub crashed with SIGSEGV in QMutex::lock()
Uname: Linux 2.6.28-9-generic x86_64
UserGroups: adm admin cdrom dialout fuse lpadmin plugdev pulse pulse-access pulse-rt sambashare vboxusers