mythfilldatabase crashed with SIGSEGV in MythDB::ClearSettingsCache()

[Nielstest]

Binary package hint: mythtv

just turned on the laptop and after a minute or so the error occurred without me doing anything.

ProblemType: Crash
DistroRelease: Ubuntu 10.04
Package: mythtv-backend 0.23.0+fixes24158-0ubuntu2
ProcVersionSignature: Ubuntu 2.6.32-25.45-generic 2.6.32.21+drm33.7
Uname: Linux 2.6.32-25-generic i686
NonfreeKernelModules: nvidia wl
Architecture: i386
Date: Tue Oct 26 02:27:39 2010
ExecutablePath: /usr/bin/mythfilldatabase
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
Installed_mythplugins-dbg: 0.0
Installed_mythtv-dbg: 0.0
ProcCmdline: /usr/bin/mythfilldatabase
ProcEnviron: PATH=(custom, no user)
SegvAnalysis:
 Segfault happened at: 0x290569 <_ZN6MythDB18ClearSettingsCacheERK7QString+21>: mov (%eax),%eax
 PC (0x00290569) ok
 source "(%eax)" (0x8940c083) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: mythtv
StacktraceTop:
 MythDB::ClearSettingsCache(QString const&) ()
 MythContext::ClearSettingsCache(QString const&) ()
 MythContext::readyRead(MythSocket*) ()
 MythSocketThread::ReadyToBeRead(MythSocket*) ()
 MythSocketThread::run() () from /usr/lib/libmythdb-0.23.so.0
Title: mythfilldatabase crashed with SIGSEGV in MythDB::ClearSettingsCache()
UserGroups: audio cdrom dialout video

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make Ubuntu better. This particular crash has already been reported and is a duplicate of bug #658849, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.