. Thread 2 (process 10660): #0 0xb80bbdf2 in ?? () from /lib/ld-linux.so.2 #1 0xb80c19b0 in ?? () from /lib/ld-linux.so.2 #2 0xb7b45d42 in QTcpSocket::qt_metacall () from /usr/lib/libQtNetwork.so.4 #3 0xb69007b9 in QMetaMethod::invoke () from /usr/lib/libQtCore.so.4 #4 0xb6900f3f in QMetaObject::invokeMethod () from /usr/lib/libQtCore.so.4 #5 0xb7b174bf in QAbstractSocket::disconnectFromHost () from /usr/lib/libQtNetwork.so.4 #6 0xb7b18d37 in QAbstractSocket::close () from /usr/lib/libQtNetwork.so.4 #7 0xb7b25475 in QLocalSocket::close () from /usr/lib/libQtNetwork.so.4 #8 0xb7b21830 in QLocalSocket::~QLocalSocket () from /usr/lib/libQtNetwork.so.4 #9 0xb624de7f in ?? () from /usr/lib/libsopranoclient.so.1 #10 0xb624a390 in ?? () from /usr/lib/libsopranoclient.so.1 #11 0xb6249c1b in Soprano::Client::LocalSocketClient::disconnect () from /usr/lib/libsopranoclient.so.1 #12 0xb6249e06 in Soprano::Client::LocalSocketClient::~LocalSocketClient () from /usr/lib/libsopranoclient.so.1 #13 0xb7cd8acc in ~QGlobalStaticDeleter (this=0xb7d0e6a0) at /build/buildd/kde4libs-4.2.1a/nepomuk/core/nepomukmainmodel.cpp:79 No locals. #14 0xb6554bb9 in exit () from /lib/tls/i686/cmov/libc.so.6 #15 0xb653c77d in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6 #16 0x08062391 in _start () . Thread 1 (process 10706): #0 0xb624ecf5 in ?? () from /usr/lib/libsopranoclient.so.1 #1 0xb624f916 in ?? () from /usr/lib/libsopranoclient.so.1 #2 0xb7c0be03 in ?? () from /usr/lib/libsoprano.so.4 #3 0xb7c6af3b in ?? () from /usr/lib/libsoprano.so.4 #4 0xb7cd54b5 in Soprano::Iterator::next ( this=0xb422215c) at /usr/include/soprano/iterator.h:242 hasNext = cd = ( const Soprano::Iterator::Private *) 0xbe66110 #5 0xb7ccf878 in Nepomuk::ResourceData::load (this=0xbdf5358) at /build/buildd/kde4libs-4.2.1a/nepomuk/core/resourcedata.cpp:379 model = (struct Soprano::Model *) 0x9c8d9a0 it = #6 0xb7cd00c8 in Nepomuk::ResourceData::property (this=0xbdf5358, uri=@0xb4222288) at /build/buildd/kde4libs-4.2.1a/nepomuk/core/resourcedata.cpp:246 No locals. #7 0xb7ceab37 in Nepomuk::Resource::property (this=0xb422230c, uri=@0xb4222288) at /build/buildd/kde4libs-4.2.1a/nepomuk/core/resource.cpp:238 No locals. #8 0xb7cebe91 in Nepomuk::Resource::rating (this=0xb422230c) at /build/buildd/kde4libs-4.2.1a/nepomuk/core/resource.cpp:710 No locals. #9 0x080865f6 in _start ()