Dolphin crashes "out of nothing"

[sputnik]

Binary package hint: dolphin

              KDE Version (KDE 4.1.96 (KDE 4.1.96 (KDE 4.2 RC1)), Kubuntu packages)
 Application File manager
 Operating System Linux (i686) release 2.6.27-11-generic
 Compiler cc
              Installiert: 4:4.1.96-0ubuntu1~intrepid1~ppa1

Dolphin suddently crashed. This crash happend shortly after this bug: https://bugs.launchpad.net/ubuntu/+source/dolphin/+bug/321351 - but without any copy and paste action.

Here is the traceback:

Eine korrekte Rückverfolgung ist nicht möglich.
Wahrscheinlich sind die Dateien Ihres Systems in einer Weise erstellt worden, die eine solche Rückverfolgung (Backtrace) nicht erlaubt. Oder der so genannte „Stack Frame“ für das Programm wurde durch den Absturz unbrauchbar gemacht.

[Thread debugging using libthread_db enabled]
[New Thread 0xb5f0d6c0 (LWP 24531)]
[New Thread 0xb427fb90 (LWP 24534)]
0xb80e0430 in __kernel_vsyscall ()
[Current thread is 0 (LWP 24531)]

Thread 2 (Thread 0xb427fb90 (LWP 24534)):
#0 0xb80e0430 in __kernel_vsyscall ()
#1 0xb66abde6 in nanosleep () from /lib/tls/i686/cmov/libc.so.6
#2 0xb66abbfe in sleep () from /lib/tls/i686/cmov/libc.so.6
#3 0xb78eebd2 in KCrash::startDrKonqi (argv=0xb427e854, argc=15) at /build/buildd/kde4libs-4.1.96/kdeui/util/kcrash.cpp:412
#4 0xb78ef5d4 in KCrash::defaultCrashHandler (sig=11) at /build/buildd/kde4libs-4.1.96/kdeui/util/kcrash.cpp:337
#5 <signal handler called>
#6 0xb68e131d in QMutex::lock () from /usr/lib/libQtCore.so.4
#7 0xb7af04a0 in ?? () from /usr/lib/libQtNetwork.so.4
#8 0xb7afd6d7 in QAbstractSocket::setSocketDescriptor () from /usr/lib/libQtNetwork.so.4
#9 0xb7b0aa39 in ?? () from /usr/lib/libQtNetwork.so.4
#10 0xb7b0b466 in QLocalSocket::connectToServer () from /usr/lib/libQtNetwork.so.4
#11 0xb633cdce in Soprano::Client::LocalSocketClientConnection::newConnection (this=0x930a348) at /build/buildd/soprano-2.1.64+dfsg.1/server/localsocketclient.cpp:68
#12 0xb633e0d3 in Soprano::Client::ClientConnection::socket (this=0x930a348) at /build/buildd/soprano-2.1.64+dfsg.1/server/clientconnection.cpp:77
#13 0xb633e242 in Soprano::Client::ClientConnection::iteratorClose (this=0x930a348, id=1966820947) at /build/buildd/soprano-2.1.64+dfsg.1/server/clientconnection.cpp:638
#14 0xb63413b9 in Soprano::Client::ClientModel::closeIterator (this=0x9323718, id=1966820947) at /build/buildd/soprano-2.1.64+dfsg.1/server/clientmodel.cpp:220
#15 0xb6342006 in Soprano::Client::ClientStatementIteratorBackend::close (this=0x9519ca0) at /build/buildd/soprano-2.1.64+dfsg.1/server/clientstatementiteratorbackend.cpp:73
#16 0xb7bfede3 in Soprano::Iterator<Soprano::Statement>::next (this=0x9518128) at /build/buildd/soprano-2.1.64+dfsg.1/soprano/iterator.h:245
#17 0xb7c5e82b in Soprano::Util::MutexStatementIteratorBackend::next (this=0x9518118) at /build/buildd/soprano-2.1.64+dfsg.1/soprano/util/mutexstatementiteratorbackend.cpp:44
#18 0xb7cc9bb5 in Soprano::Iterator<Soprano::Statement>::next (this=0xb427f19c) at /usr/include/soprano/iterator.h:242
#19 0xb7cc3bc8 in Nepomuk::ResourceData::load (this=0x94b2ae0) at /build/buildd/kde4libs-4.1.96/nepomuk/core/resourcedata.cpp:381
#20 0xb7cc4418 in Nepomuk::ResourceData::property (this=0x94b2ae0, uri=@0xb427f2c8) at /build/buildd/kde4libs-4.1.96/nepomuk/core/resourcedata.cpp:246
#21 0xb7cdf9c7 in Nepomuk::Resource::property (this=0xb427f34c, uri=@0xb427f2c8) at /build/buildd/kde4libs-4.1.96/nepomuk/core/resource.cpp:235
#22 0xb7ce0ce1 in Nepomuk::Resource::rating (this=0xb427f34c) at /build/buildd/kde4libs-4.1.96/nepomuk/core/resource.cpp:707
#23 0x08087e9d in MetaDataWidget::Private::LoadFilesThread::run (this=0x937de20) at /build/buildd/kdebase-4.1.96/apps/dolphin/src/metadatawidget.cpp:144
#24 0xb68e66ae in ?? () from /usr/lib/libQtCore.so.4
#25 0xb631150f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#26 0xb66f07ee in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb5f0d6c0 (LWP 24531)):
#0 0xb80e0430 in __kernel_vsyscall ()
#1 0xb66e8c01 in select () from /lib/tls/i686/cmov/libc.so.6
#2 0xb7b072f6 in ?? () from /usr/lib/libQtNetwork.so.4
#3 0xb7af1fc0 in ?? () from /usr/lib/libQtNetwork.so.4
#4 0xb7b01102 in QAbstractSocket::waitForReadyRead () from /usr/lib/libQtNetwork.so.4
#5 0xb7b090cd in QLocalSocket::waitForReadyRead () from /usr/lib/libQtNetwork.so.4
#6 0xb633e288 in Soprano::Client::ClientConnection::iteratorClose (this=0x930a348, id=1966820947) at /build/buildd/soprano-2.1.64+dfsg.1/server/clientconnection.cpp:643
#7 0xb6340df3 in ~ClientModel (this=0x9323718) at /build/buildd/soprano-2.1.64+dfsg.1/server/clientmodel.cpp:46
#8 0xb7ccd2a2 in ~QGlobalStaticDeleter (this=0xb7d056a8) at /build/buildd/kde4libs-4.1.96/nepomuk/core/nepomukmainmodel.cpp:77
#9 0xb663dd69 in exit () from /lib/tls/i686/cmov/libc.so.6
#10 0xb662568d in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
#11 0x08062471 in _start ()
#0 0xb80e0430 in __kernel_vsyscall ()