.
Thread 3 (Thread 0x7fc4ca848700 (LWP 1848)):
#0  0x00007fc4d54f3ae3 in select () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007fc4d735888f in qt_safe_select(int, fd_set*, fd_set*, fd_set*, timeval const*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#2  0x00007fc4d3ccd170 in ?? () from /usr/lib/x86_64-linux-gnu/libQtNetwork.so.4
No symbol table info available.
#3  0x00007fc4d3ccb1b8 in ?? () from /usr/lib/x86_64-linux-gnu/libQtNetwork.so.4
No symbol table info available.
#4  0x00007fc4d3cc2cd5 in QAbstractSocket::waitForReadyRead(int) () from /usr/lib/x86_64-linux-gnu/libQtNetwork.so.4
No symbol table info available.
#5  0x00007fc4d308d4d9 in ?? () from /usr/lib/libsopranoclient.so.1
No symbol table info available.
#6  0x00007fc4d3091886 in ?? () from /usr/lib/libsopranoclient.so.1
No symbol table info available.
#7  0x00007fc4d3091285 in ?? () from /usr/lib/libsopranoclient.so.1
No symbol table info available.
#8  0x00007fc4d3309f67 in Soprano::QueryResultIterator::binding(QString const&) const () from /usr/lib/libsoprano.so.4
No symbol table info available.
#9  0x00007fc4d330a0f9 in Soprano::QueryResultIterator::operator[](QString) const () from /usr/lib/libsoprano.so.4
No symbol table info available.
#10 0x00007fc4cb09b112 in ?? () from /usr/lib/kde4/nepomukfileindexer.so
No symbol table info available.
#11 0x00007fc4cb09c7cb in ?? () from /usr/lib/kde4/nepomukfileindexer.so
No symbol table info available.
#12 0x00007fc4cb09d81b in ?? () from /usr/lib/kde4/nepomukfileindexer.so
No symbol table info available.
#13 0x00007fc4cb09dbf5 in ?? () from /usr/lib/kde4/nepomukfileindexer.so
No symbol table info available.
#14 0x00007fc4d7340801 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#15 0x00007fc4d7349fcf in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#16 0x00007fc4d73456f9 in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#17 0x00007fc4d5c905e4 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
No symbol table info available.
#18 0x00007fc4d5c95463 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
No symbol table info available.
#19 0x00007fc4d732c41c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#20 0x00007fc4d735d722 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#21 0x00007fc4d735b18d in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#22 0x00007fc4d735b1b1 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#23 0x00007fc4d491eb2a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#24 0x00007fc4d491eef0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#25 0x00007fc4d491efb4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#26 0x00007fc4d735b9a6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#27 0x00007fc4d732b202 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#28 0x00007fc4d732b457 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#29 0x00007fc4d722af17 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#30 0x00007fc4d722df3b in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#31 0x00007fc4d51f4e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#32 0x00007fc4d54fa77d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#33 0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 0x7fc4c980b700 (LWP 2024)):
#0  0x00007fc4d54f3ae3 in select () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007fc4d730a611 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#2  0x00007fc4d722df3b in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#3  0x00007fc4d51f4e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#4  0x00007fc4d54fa77d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#5  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7fc4d7873780 (LWP 1842)):
#0  0x0000000000000000 in ?? ()
No symbol table info available.
#1  0x00007fc4d7344c2a in QObject::~QObject() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#2  0x00007fc4d73453e9 in QObject::~QObject() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#3  0x000000000040404a in _start ()
No symbol table info available.