kded4 crashed with SIGSEGV in QString::replace()

[SoftExpert]

Just after logging in ...

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: kdelibs-bin 4:4.7.1-0ubuntu3
Uname: Linux 3.1.0-0301rc8-generic x86_64
NonfreeKernelModules: wl fglrx
ApportVersion: 1.23-0ubuntu2
Architecture: amd64
Date: Wed Oct 5 20:09:40 2011
ExecutablePath: /usr/bin/kded4
InstallationMedia: Kubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20110303)
ProcCmdline: /usr/bin/kded4 --nocrashhandler
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f0f21123ee8 <_ZN7QString7replaceE5QCharS0_N2Qt15CaseSensitivityE+8>: mov (%rdi),%r9
 PC (0x7f0f21123ee8) ok
 source "(%rdi)" (0x7fffee1d4230) not located in a known VMA region (needed readable region)!
 destination "%r9" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: kde4libs
StacktraceTop:
 QString::replace(QChar, QChar, Qt::CaseSensitivity) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
 ?? () from /usr/lib/kde4/kded_kmixd.so
 ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.0.so
 pa_pdispatch_run () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.0.so
Title: kded4 crashed with SIGSEGV in QString::replace()
UpgradeStatus: Upgraded to oneiric on 2011-09-02 (33 days ago)
UserGroups: adm admin cdrom dialout fuse lpadmin netdev plugdev sambashare saned vboxusers www-data

[Apport retracing service (apport)]

StacktraceTop:
 QString::replace (this=0x7fffee1d4230, before=..., after=..., cs=Qt::CaseSensitive) at tools/qstring.cpp:2016
 sink_cb (c=<optimized out>, i=0x7fffed1d4310, eol=<optimized out>) at ../../kmix/backends/mixer_pulse.cpp:194
 ?? ()
 ?? ()
 ?? ()

[Apport retracing service (apport)]

Thank you for your report!

However, processing it in order to get sufficient information for the
developers failed (it does not generate an useful symbolic stack trace). This
might be caused by some outdated packages which were installed on your system
at the time of the report:

outdated debug symbol package for libtiff4: package version 3.9.5-1ubuntu1 dbgsym version 3.9.4-5ubuntu6
outdated debug symbol package for libnih1: package version 1.0.3-4ubuntu2 dbgsym version 1.0.3-1ubuntu1
outdated debug symbol package for libk5crypto3: package version 1.9.1+dfsg-1ubuntu1 dbgsym version 1.8.3+dfsg-5ubuntu2.1
outdated debug symbol package for passwd: package version 1:4.1.4.2+svn3283-3ubuntu2 dbgsym version 1:4.1.4.2+svn3283-3ubuntu1
outdated debug symbol package for libkrb5-3: package version 1.9.1+dfsg-1ubuntu1 dbgsym version 1.8.3+dfsg-5ubuntu2.1
outdated debug symbol package for libiodbc2: package version 3.52.7-2 dbgsym version 3.52.6-4ubuntu1
outdated debug symbol package for libslang2: package version 2.2.4-2ubuntu1 dbgsym version 2.2.2-4ubuntu2
libpciaccess0 version 0.12.1-2~xup1 required, but 0.12.1-1 is available
outdated debug symbol package for librdf0: package version 1.0.13-3 dbgsym version 1.0.12-1
outdated debug symbol package for libgssapi-krb5-2: package version 1.9.1+dfsg-1ubuntu1 dbgsym version 1.8.3+dfsg-5ubuntu2.1
outdated debug symbol package for libxslt1.1: package version 1.1.26-7 dbgsym version 1.1.26-6build1
outdated debug symbol package for procps: package version 1:3.2.8-10ubuntu5 dbgsym version 1:3.2.8-10ubuntu3
outdated debug symbol package for libkrb5support0: package version 1.9.1+dfsg-1ubuntu1 dbgsym version 1.8.3+dfsg-5ubuntu2.1
outdated debug symbol package for libnih-dbus1: package version 1.0.3-4ubuntu2 dbgsym version 1.0.3-1ubuntu1
outdated debug symbol package for module-init-tools: package version 3.16-1ubuntu1 dbgsym version 3.12-1ubuntu6
outdated debug symbol package for kde-style-qtcurve: package version 1.8.7-1 dbgsym version 1.8.4-1
outdated debug symbol package for libgstreamer-plugins-base0.10-0: package version 0.10.35-1 dbgsym version 0.10.32-1ubuntu5

Please upgrade your system to the latest package versions. If you still
encounter the crash, please file a new report.

Thank you for your understanding, and sorry for the inconvenience!