nepomukservicestub crashed with SIGSEGV in QIODevice::write()

[Martin]

Binary package hint: kdebase-runtime

It happend just when I logged in, and I don't know what nepomukservicestub is.

ProblemType: Crash
DistroRelease: Ubuntu 10.04
Package: kdebase-runtime 4:4.4.1-0ubuntu3
ProcVersionSignature: Ubuntu 2.6.32-17.26-generic 2.6.32.10+drm33.1
Uname: Linux 2.6.32-17-generic i686
Architecture: i386
Date: Sun Mar 28 12:33:44 2010
ExecutablePath: /usr/bin/nepomukservicestub
InstallationMedia: Kubuntu 10.04 "Lucid Lynx" - Beta i386 (20100318)
ProcCmdline: /usr/bin/nepomukservicestub nepomukstrigiservice
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
 LANGUAGE=
SegvAnalysis:
 Segfault happened at: 0x2e53b3 <_ZN9QIODevice5writeEPKcx+35>: mov 0x4(%edi),%esi
 PC (0x002e53b3) 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) ()
 ?? () from /usr/lib/libsopranoclient.so.1
 ?? () from /usr/lib/libsopranoclient.so.1
 ?? () from /usr/lib/libsopranoclient.so.1
 ?? () from /usr/lib/libnepomuk.so.4
Title: nepomukservicestub crashed with SIGSEGV in QIODevice::write()
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
XsessionErrors: (process:3033): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed

[Apport retracing service (apport)]

StacktraceTop:
 QIODevice::ungetChar (this=0x0, c=28 '\034')
 Soprano::DataStream::writeUnsignedInt16 (this=0xb5f3ae78,
 Soprano::Client::ClientConnection::iteratorClose (
 ~ClientModel (this=0x98a3a28)
 init (this=0x98a2200, forced=<value optimized out>)