Application: kactivitymanagerd (1.0)
KDE Platform Version: 4.8.2 (4.8.2)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-24-generic x86_64
Distribution: Ubuntu 12.04 LTS

-- Information about the crash:
- What I was doing when the application crashed:

I run a second X user session and logged out from this session. On switching back to the first session and entering passwd for the locked user session the crash happened.

-- Backtrace:
Application: KDE Activity Manager (kactivitymanagerd), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[KCrash Handler]
#6  QMutex::lock (this=0x23c85b8) at thread/qmutex.cpp:153
#7  0x00007ff7edd2d0fa in lockInline (this=0x23c85b8) at /usr/include/qt4/QtCore/qmutex.h:198
#8  QMutexLocker (m=0x23c85b8, this=<synthetic pointer>) at /usr/include/qt4/QtCore/qmutex.h:109
#9  Soprano::Client::SocketHandler::~SocketHandler (this=0x23ce130, __in_chrg=<optimized out>) at ../../client/clientconnection.cpp:58
#10 0x00007ff7edd2d1c9 in Soprano::Client::SocketHandler::~SocketHandler (this=0x23ce130, __in_chrg=<optimized out>) at ../../client/clientconnection.cpp:61
#11 0x00007ff7f1a2df9d in QThreadStorageData::set (this=0x23cd060, p=0x2204e60) at thread/qthreadstorage.cpp:165
#12 0x00007ff7edd2abef in qThreadStorage_setLocalData<Soprano::Client::SocketHandler> (d=..., t=<optimized out>) at /usr/include/qt4/QtCore/qthreadstorage.h:92
#13 setLocalData (t=0x2204e60, this=<optimized out>) at /usr/include/qt4/QtCore/qthreadstorage.h:155
#14 Soprano::Client::ClientConnection::socketForCurrentThread (this=0x23ccc60) at ../../client/clientconnection.cpp:95
#15 0x00007ff7edd2ac59 in Soprano::Client::ClientConnection::connectInCurrentThread (this=<optimized out>) at ../../client/clientconnection.cpp:800
#16 0x00007ff7edd2a22a in Soprano::Client::LocalSocketClient::connect (this=0x23be238, name=...) at ../../client/localsocketclient.cpp:141
#17 0x00007ff7f2156431 in init (forced=true, this=0x23be210) at ../../nepomuk/core/nepomukmainmodel.cpp:102
#18 Nepomuk::MainModel::init (this=0x23b8610) at ../../nepomuk/core/nepomukmainmodel.cpp:176
#19 0x00007ff7f214e281 in Nepomuk::ResourceManager::init (this=0x22f9790) at ../../nepomuk/core/resourcemanager.cpp:326
#20 0x00007ff7f2151a55 in Nepomuk::ResourceManagerPrivate::_k_storageServiceInitialized (this=0x23b9550, success=<optimized out>) at ../../nepomuk/core/resourcemanager.cpp:225
#21 0x00007ff7f2151bcb in Nepomuk::ResourceManager::qt_metacall (this=0x22f9790, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff85cbd040) at ./resourcemanager.moc:112
#22 0x00007ff7f1ea937b in QDBusConnectionPrivate::deliverCall (this=0x21ff0f0, object=0x22f9790, msg=..., metaTypes=..., slotIdx=10) at qdbusintegrator.cpp:947
#23 0x00007ff7f1b48446 in QObject::event (this=0x22f9790, e=<optimized out>) at kernel/qobject.cpp:1195
#24 0x00007ff7f0eb1894 in notify_helper (e=0x23ce630, receiver=0x22f9790, this=0x22147c0) at kernel/qapplication.cpp:4559
#25 QApplicationPrivate::notify_helper (this=0x22147c0, receiver=0x22f9790, e=0x23ce630) at kernel/qapplication.cpp:4531
#26 0x00007ff7f0eb6713 in QApplication::notify (this=0x7fff85cbda40, receiver=0x22f9790, e=0x23ce630) at kernel/qapplication.cpp:4420
#27 0x00007ff7f2613b46 in KApplication::notify (this=0x7fff85cbda40, receiver=0x22f9790, event=0x23ce630) at ../../kdeui/kernel/kapplication.cpp:311
#28 0x00007ff7f1b2ee9c in QCoreApplication::notifyInternal (this=0x7fff85cbda40, receiver=0x22f9790, event=0x23ce630) at kernel/qcoreapplication.cpp:876
#29 0x00007ff7f1b32c6a in sendEvent (event=0x23ce630, receiver=0x22f9790) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#30 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x21dc2c0) at kernel/qcoreapplication.cpp:1500
#31 0x00007ff7f1b5df93 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#32 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:279
#33 0x00007ff7ed203c9a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007ff7ed204060 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007ff7ed204124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007ff7f1b5e3bf in QEventDispatcherGlib::processEvents (this=0x21dd780, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#37 0x00007ff7f0f59d5e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#38 0x00007ff7f1b2dc82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#39 0x00007ff7f1b2ded7 in QEventLoop::exec (this=0x7fff85cbd9d0, flags=...) at kernel/qeventloop.cpp:204
#40 0x00007ff7f1b32f67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#41 0x0000000000405b14 in main (argc=1, argv=0x7fff85cbdc38) at ../../service/main.cpp:37

Possible duplicates by query: bug 300828, bug 299938, bug 299325, bug 297279, bug 295755.

Reported using DrKonqi