Application: nepomukservicestub (0.2)
KDE Platform Version: 4.7.4 (4.7.4) (Compiled from sources)
Qt Version: 4.7.4
Operating System: Linux 3.2.1-gentoo-r2 x86_64
Distribution (Platform): Gentoo Packages

-- Information about the crash:
I just used Alt+F2 to call Krunner and typed "Teoría de la" and waited for a few secods for Nepomuk to perform the search

-- Backtrace:
Application: Matriz de servicio Nepomuk (nepomukservicestub), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f2d817f4760 (LWP 20525))]

Thread 3 (Thread 0x7f2d71d07700 (LWP 18269)):
#0  0x00007f2d7ec7ae3e in __lll_lock_wait_private () from /lib64/libc.so.6
#1  0x00007f2d7ec10952 in _L_lock_6669 () from /lib64/libc.so.6
#2  0x00007f2d7ec0ed21 in free () from /lib64/libc.so.6
#3  0x00007f2d81245bec in QString::free(QString::Data*) () from /usr/lib64/qt4/libQtCore.so.4
#4  0x00007f2d81246152 in QString::operator=(QString const&) () from /usr/lib64/qt4/libQtCore.so.4
#5  0x00007f2d812a6fa8 in QUrlPrivate::canonicalHost() const () from /usr/lib64/qt4/libQtCore.so.4
#6  0x00007f2d812a72f7 in QUrlPrivate::authority(QFlags<QUrl::FormattingOption>) const () from /usr/lib64/qt4/libQtCore.so.4
#7  0x00007f2d812a92bb in QUrlPrivate::toEncoded(QFlags<QUrl::FormattingOption>) const () from /usr/lib64/qt4/libQtCore.so.4
#8  0x00007f2d812a9a1d in QUrl::toEncoded(QFlags<QUrl::FormattingOption>) const () from /usr/lib64/qt4/libQtCore.so.4
#9  0x00007f2d7b675719 in Soprano::Node::resourceToN3(QUrl const&) () from /usr/lib64/libsoprano.so.4
#10 0x00007f2d72560683 in Nepomuk::Query::LiteralTermPrivate::toSparqlGraphPattern(QString const&, Nepomuk::Query::TermPrivate const*, Nepomuk::Query::QueryBuilderData*) const () from /usr/lib64/libnepomukquery.so.4
#11 0x00007f2d725651bb in Nepomuk::Query::Query::toSparqlQuery(QFlags<Nepomuk::Query::Query::SparqlFlag>) const () from /usr/lib64/libnepomukquery.so.4
#12 0x00007f2d72794edb in Nepomuk::Query::Folder::sparqlQuery() const () from /usr/lib64/kde4/nepomukqueryservice.so
#13 0x00007f2d7279846e in Nepomuk::Query::SearchRunnable::run() () from /usr/lib64/kde4/nepomukqueryservice.so
#14 0x00007f2d811f6028 in QThreadPoolThread::run() () from /usr/lib64/qt4/libQtCore.so.4
#15 0x00007f2d81200f95 in QThreadPrivate::start(void*) () from /usr/lib64/qt4/libQtCore.so.4
#16 0x00007f2d80f71c5c in start_thread () from /lib64/libpthread.so.0
#17 0x00007f2d7ec6dfcd in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f2d71506700 (LWP 18277)):
[KCrash Handler]
#6  0x00007f2d7ec0b229 in _int_free () from /lib64/libc.so.6
#7  0x00007f2d7ec0ed2c in free () from /lib64/libc.so.6
#8  0x00007f2d81202d52 in QByteArray::operator=(QByteArray const&) () from /usr/lib64/qt4/libQtCore.so.4
#9  0x00007f2d8129ea50 in QUrlPrivate::parse(QUrlPrivate::ParseOptions) const () from /usr/lib64/qt4/libQtCore.so.4
#10 0x00007f2d812a91fe in QUrlPrivate::toEncoded(QFlags<QUrl::FormattingOption>) const () from /usr/lib64/qt4/libQtCore.so.4
#11 0x00007f2d812a9a1d in QUrl::toEncoded(QFlags<QUrl::FormattingOption>) const () from /usr/lib64/qt4/libQtCore.so.4
#12 0x00007f2d7b675719 in Soprano::Node::resourceToN3(QUrl const&) () from /usr/lib64/libsoprano.so.4
#13 0x00007f2d72560683 in Nepomuk::Query::LiteralTermPrivate::toSparqlGraphPattern(QString const&, Nepomuk::Query::TermPrivate const*, Nepomuk::Query::QueryBuilderData*) const () from /usr/lib64/libnepomukquery.so.4
#14 0x00007f2d725651bb in Nepomuk::Query::Query::toSparqlQuery(QFlags<Nepomuk::Query::Query::SparqlFlag>) const () from /usr/lib64/libnepomukquery.so.4
#15 0x00007f2d72794edb in Nepomuk::Query::Folder::sparqlQuery() const () from /usr/lib64/kde4/nepomukqueryservice.so
#16 0x00007f2d7279846e in Nepomuk::Query::SearchRunnable::run() () from /usr/lib64/kde4/nepomukqueryservice.so
#17 0x00007f2d811f6028 in QThreadPoolThread::run() () from /usr/lib64/qt4/libQtCore.so.4
#18 0x00007f2d81200f95 in QThreadPrivate::start(void*) () from /usr/lib64/qt4/libQtCore.so.4
#19 0x00007f2d80f71c5c in start_thread () from /lib64/libpthread.so.0
#20 0x00007f2d7ec6dfcd in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f2d817f4760 (LWP 20525)):
#0  0x00007f2d7ec7ae3e in __lll_lock_wait_private () from /lib64/libc.so.6
#1  0x00007f2d7ec10952 in _L_lock_6669 () from /lib64/libc.so.6
#2  0x00007f2d7ec0ed21 in free () from /lib64/libc.so.6
#3  0x00007f2d81313a87 in socketNotifierSourceCheck(_GSource*) () from /usr/lib64/qt4/libQtCore.so.4
#4  0x00007f2d7e4a8d3b in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#5  0x00007f2d7e4a95a2 in g_main_context_iterate.clone.6 () from /usr/lib64/libglib-2.0.so.0
#6  0x00007f2d7e4a9a41 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#7  0x00007f2d8131401f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtCore.so.4
#8  0x00007f2d7f49618e in QGuiEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtGui.so.4
#9  0x00007f2d812e8462 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtCore.so.4
#10 0x00007f2d812e86a4 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtCore.so.4
#11 0x00007f2d812ecb2b in QCoreApplication::exec() () from /usr/lib64/qt4/libQtCore.so.4
#12 0x00000000004043e9 in main ()

Possible duplicates by query: bug 284382.

Reported using DrKonqi