nepomukservicestub crashed with SIGSEGV in QIODevice::write()

Binary package hint: kdebase-runtime

Happened right at start up, and since I hadn't really done much of anything yet I'm not sure what caused it.

ProblemType: Crash
Architecture: i386
Date: Sun Feb 28 12:53:31 2010
DistroRelease: Ubuntu 10.04
ExecutablePath: /usr/bin/nepomukservicestub
InstallationMedia: Error: [Errno 13] Permission denied: '/var/log/installer/media-info'
Package: kdebase-runtime 4:4.4.0-0ubuntu3
ProcCmdline: /usr/bin/nepomukservicestub nepomukremovablestorageservice
ProcEnviron:
 LANG=en_CA.UTF-8
 SHELL=/bin/bash
 LANGUAGE=
ProcVersionSignature: Ubuntu 2.6.32-14.20-generic
SegvAnalysis:
 Segfault happened at: 0x5e6323 <_ZN9QIODevice5writeEPKcx+35>: mov 0x4(%edi),%esi
 PC (0x005e6323) ok
 source "0x4(%edi)" (0x00000004) not located in a known VMA region (needed readable region)!
 destination "%esi" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: kdebase-runtime
StacktraceTop:
 QIODevice::write(char const*, long long) ()
 Soprano::DataStream::writeUnsignedInt16(unsigned short) ()
 Soprano::Client::ClientConnection::iteratorClose(int) ()
 Soprano::Client::ClientModel::closeIterator(int) const ()
 Soprano::Client::ClientQueryResultIteratorBackend::close()
Title: nepomukservicestub crashed with SIGSEGV in QIODevice::write()
Uname: Linux 2.6.32-14-generic i686
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
XsessionErrors: (process:3941): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed