.
Thread 2 (process 5728):
#0  0xb8087430 in __kernel_vsyscall ()
#1  0xb6c13208 in writev () from /lib/tls/i686/cmov/libc.so.6
#2  0xb63e99e6 in ?? () from /lib/libdbus-1.so.3
#3  0xb63e9a57 in ?? () from /lib/libdbus-1.so.3
#4  0xb63e0b85 in ?? () from /lib/libdbus-1.so.3
#5  0xb63e0de1 in ?? () from /lib/libdbus-1.so.3
#6  0xb63deebf in ?? () from /lib/libdbus-1.so.3
#7  0xb63c992e in ?? () from /lib/libdbus-1.so.3
#8  0xb63c9a18 in ?? () from /lib/libdbus-1.so.3
#9  0xb63c9a8e in ?? () from /lib/libdbus-1.so.3
#10 0xb63cacb3 in dbus_connection_send_with_reply () from /lib/libdbus-1.so.3
#11 0xb63cae83 in dbus_connection_send_with_reply_and_block ()
   from /lib/libdbus-1.so.3
#12 0xb74fb7a9 in ?? () from /usr/lib/libQtDBus.so.4
#13 0xb74e5a31 in QDBusConnection::call () from /usr/lib/libQtDBus.so.4
#14 0xb7504dab in QDBusAbstractInterface::callWithArgumentList ()
   from /usr/lib/libQtDBus.so.4
#15 0xb750535e in QDBusAbstractInterface::internalConstCall ()
   from /usr/lib/libQtDBus.so.4
#16 0xb74e99a1 in QDBusConnectionInterface::isServiceRegistered ()
   from /usr/lib/libQtDBus.so.4
#17 0xb717f441 in ?? () from /usr/lib/libkdeui.so.5
#18 0xb717fc47 in ?? () from /usr/lib/libkdeui.so.5
#19 0xb717ba43 in KNotification::sendEvent () from /usr/lib/libkdeui.so.5
#20 0xb717cc0b in KNotification::qt_metacall () from /usr/lib/libkdeui.so.5
#21 0xb7fa3c10 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#22 0xb7fa4992 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#23 0xb7fa9f67 in ?? () from /usr/lib/libQtCore.so.4
#24 0xb7faa08c in ?? () from /usr/lib/libQtCore.so.4
#25 0xb7f9e6ef in QObject::event () from /usr/lib/libQtCore.so.4
#26 0xb767f87c in QApplicationPrivate::notify_helper ()
   from /usr/lib/libQtGui.so.4
#27 0xb76876fe in QApplication::notify () from /usr/lib/libQtGui.so.4
#28 0xb7f8eff1 in QCoreApplication::notifyInternal ()
   from /usr/lib/libQtCore.so.4
#29 0xb7fbcf31 in ?? () from /usr/lib/libQtCore.so.4
#30 0xb7fb96d0 in ?? () from /usr/lib/libQtCore.so.4
#31 0xb6a92bf8 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#32 0xb6a962a3 in ?? () from /usr/lib/libglib-2.0.so.0
#33 0xb6a96461 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#34 0xb7fb9628 in QEventDispatcherGlib::processEvents ()
   from /usr/lib/libQtCore.so.4
#35 0xb7719ee5 in ?? () from /usr/lib/libQtGui.so.4
#36 0xb7f8d6ba in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#37 0xb7f8d87a in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#38 0xb7f8ff35 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#39 0xb767f6f7 in QApplication::exec () from /usr/lib/libQtGui.so.4
#40 0x0804ae06 in _start ()
.
Thread 1 (process 5771):
#0  0xb609d8bd in librdf_hash_get_one () from /usr/lib/librdf.so.0
#1  0xb609836b in librdf_new_uri () from /usr/lib/librdf.so.0
#2  0xb60add94 in ?? () from /usr/lib/librdf.so.0
#3  0xb600be7a in raptor_namespaces_init () from /usr/lib/libraptor.so.1
#4  0xb600c004 in raptor_new_namespaces () from /usr/lib/libraptor.so.1
#5  0xb606657a in rasqal_new_query () from /usr/lib/librasqal.so.1
#6  0xb60b2db1 in ?? () from /usr/lib/librdf.so.0
#7  0xb60b0471 in librdf_new_query_from_factory () from /usr/lib/librdf.so.0
#8  0xb60b0718 in librdf_new_query () from /usr/lib/librdf.so.0
#9  0xb60dac33 in ?? () from /usr/lib/soprano/libsoprano_redlandbackend.so
#10 0xb6e5a68d in Soprano::FilterModel::executeQuery ()
   from /usr/lib/libsoprano.so.4
#11 0xb62067d2 in Soprano::Index::IndexFilterModel::rebuildIndex ()
   from /usr/lib/libsopranoindex.so.1
#12 0xb624eac0 in ?? () from /usr/lib/kde4/nepomukstorage.so
#13 0xb7e9e74e in ?? () from /usr/lib/libQtCore.so.4
#14 0xb6a464ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#15 0xb6c1b3fe in clone () from /lib/tls/i686/cmov/libc.so.6