Bug 304521

Application: nepomukservicestub (0.2)
KDE Platform Version: 4.7.2 (4.7.2) "release 5"
Qt Version: 4.7.4
Operating System: Linux 3.1.10-1.16-desktop i686
Distribution: "openSUSE 12.1 (i586)"

-- Information about the crash:
- Unusual behavior I notic
I just speak spanish, I will to try explain in english, I have installed Suse 12.1 since last monday, every day I have almost two crash, and restarting the OS back to work for a few hours.
In two times, I can not start correctly, when the OS request me my User and Pass, I check my pass many times, but just restarting again recover the stability for a few hours. Thanks and excuse my bad english.
I haved installed my Suse, from a downloaded Image DVD from opensuse, and yesterday I was updating alot of time my OS

The crash can be reproduced some of the time.

-- Backtrace:
Application: Matriz de servicio Nepomuk (nepomukservicestub), signal: Segmentation fault
[KCrash Handler]
#6  0xb7528eda in QHashData::previousNode (node=0x82583b8) at tools/qhash.cpp:326
#7  0xb3b53e37 in operator-- (this=<synthetic pointer>) at /usr/include/QtCore/qhash.h:432
#8  operator-- (this=<synthetic pointer>) at /usr/include/QtCore/qset.h:152
#9  unite (other=..., this=0xbfc7c330) at /usr/include/QtCore/qset.h:244
#10 operator+= (other=..., this=0xbfc7c330) at /usr/include/QtCore/qset.h:202
#11 CrappyInferencer2::Private::buildSuperClassesHash (this=0x81f6ee8, type=..., visitedTypes=..., rdfsSubClassRelations=...) at /usr/src/debug/kde-runtime-4.7.2/nepomuk/services/storage/crappyinferencer2.cpp:226
#12 0xb3b54c7f in CrappyInferencer2::updateInferenceIndex (this=0x81bfd80) at /usr/src/debug/kde-runtime-4.7.2/nepomuk/services/storage/crappyinferencer2.cpp:479
#13 0xb3b55123 in CrappyInferencer2::CrappyInferencer2 (this=0x81bfd80, tree=0x81be8f8, parent=0x81e6390) at /usr/src/debug/kde-runtime-4.7.2/nepomuk/services/storage/crappyinferencer2.cpp:245
#14 0xb3b44bd6 in Nepomuk::Repository::open (this=0x8188188) at /usr/src/debug/kde-runtime-4.7.2/nepomuk/services/storage/repository.cpp:213
#15 0xb3b46b94 in Nepomuk::Repository::qt_metacall (this=0x8188188, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x8183ef0) at /usr/src/debug/kde-runtime-4.7.2/build/nepomuk/services/storage/repository.moc:85
#16 0xb760b7ed in metacall (argv=0x8183ef0, idx=13, cl=QMetaObject::InvokeMetaMethod, object=0x8188188) at kernel/qmetaobject.cpp:237
#17 QMetaObject::metacall (object=0x8188188, cl=QMetaObject::InvokeMetaMethod, idx=13, argv=0x8183ef0) at kernel/qmetaobject.cpp:232
#18 0xb7616315 in QMetaCallEvent::placeMetaCall (this=0x81855f0, object=0x8188188) at kernel/qobject.cpp:535
#19 0xb761d83f in QObject::event (this=0x8188188, e=0x81855f0) at kernel/qobject.cpp:1226
#20 0xb62a5f24 in notify_helper (e=0x81855f0, receiver=0x8188188, this=0x806baa0) at kernel/qapplication.cpp:4481
#21 QApplicationPrivate::notify_helper (this=0x806baa0, receiver=0x8188188, e=0x81855f0) at kernel/qapplication.cpp:4453
#22 0xb62ab2b2 in QApplication::notify (this=0x81855f0, receiver=0x8188188, e=0x81855f0) at kernel/qapplication.cpp:4228
#23 0xb6ee3681 in KApplication::notify (this=0xbfc7d0c4, receiver=0x8188188, event=0x81855f0) at /usr/src/debug/kdelibs-4.7.2/kdeui/kernel/kapplication.cpp:311
#24 0xb760543e in QCoreApplication::notifyInternal (this=0xbfc7d0c4, receiver=0x8188188, event=0x81855f0) at kernel/qcoreapplication.cpp:787
#25 0xb7608c04 in sendEvent (event=<optimized out>, receiver=<optimized out>) at kernel/qcoreapplication.h:215
#26 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x80541b8) at kernel/qcoreapplication.cpp:1428
#27 0xb7608d4c in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1321
#28 0xb7633414 in sendPostedEvents () at kernel/qcoreapplication.h:220
#29 postEventSourceDispatch (s=0x806e8b8) at kernel/qeventdispatcher_glib.cpp:277
#30 0xb5e23e4f in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#31 0xb5e24580 in ?? () from /usr/lib/libglib-2.0.so.0
#32 0xb5e2481a in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#33 0xb7633847 in QEventDispatcherGlib::processEvents (this=0x8053f38, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#34 0xb6359b1a in QGuiEventDispatcherGlib::processEvents (this=0x8053f38, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#35 0xb760445d in QEventLoop::processEvents (this=0xbfc7cf34, flags=...) at kernel/qeventloop.cpp:149
#36 0xb76046a1 in QEventLoop::exec (this=0xbfc7cf34, flags=...) at kernel/qeventloop.cpp:201
#37 0xb7608dfa in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#38 0xb62a3da4 in QApplication::exec () at kernel/qapplication.cpp:3755
#39 0x0804b1eb in main (argc=0, argv=0x8258370) at /usr/src/debug/kde-runtime-4.7.2/nepomuk/servicestub/main.cpp:170

Reported using DrKonqi