LinuxQuestions.org - [SOLVED] problem with kdeinit5 in plasma5 from AlienBOB

since yesterday, I get that message.
-------------------------------------
Application: kdeinit5 (kdeinit5), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f367e61e600 (LWP 20813))]

Thread 3 (Thread 0x7f367900a700 (LWP 20882)):
#0 0x00007f367ea2d1d9 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0
#1 0x00007f367e9e3cb9 in ?? () from /usr/lib64/libglib-2.0.so.0
#2 0x00007f367e9e3e0f in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3 0x00007f3681e0239b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#4 0x00007f3681dad92b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#5 0x00007f3681be7c81 in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#6 0x00007f3682e81456 in ?? () from /usr/lib64/libQt5DBus.so.5
#7 0x00007f3681be8cc3 in ?? () from /usr/lib64/libQt5Core.so.5
#8 0x00007f36814f306b in start_thread () from /lib64/libpthread.so.0
#9 0x00007f368171172f in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f367a9ff700 (LWP 20817)):
#0 0x00007f3681705e9f in poll () from /lib64/libc.so.6
#1 0x00007f3682d11d17 in ?? () from /usr/lib64/libxcb.so.1
#2 0x00007f3682d1380a in xcb_wait_for_event () from /usr/lib64/libxcb.so.1
#3 0x00007f367b58d3c0 in ?? () from /usr/lib64/qt5/plugins/platforms/../../../libQt5XcbQpa.so.5
#4 0x00007f3681be8cc3 in ?? () from /usr/lib64/libQt5Core.so.5
#5 0x00007f36814f306b in start_thread () from /lib64/libpthread.so.0
#6 0x00007f368171172f in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f367e61e600 (LWP 20813)):
[KCrash Handler]
#6 0x00007f3682237df8 in QTextLine::y() const () from /usr/lib64/libQt5Gui.so.5
#7 0x00007f367852e8e0 in KoTextDocumentLayout::positionAnchorTextRanges(int, int, QTextDocument const*) () from /usr/lib64/libkotextlayout.so.16
#8 0x00007f3678512f4a in KoTextLayoutArea::layoutBlock(FrameIterator*) () from /usr/lib64/libkotextlayout.so.16
#9 0x00007f3678515cf8 in KoTextLayoutArea::layout(FrameIterator*) () from /usr/lib64/libkotextlayout.so.16
#10 0x00007f367852c08d in KoTextLayoutRootArea::layoutRoot(FrameIterator*) () from /usr/lib64/libkotextlayout.so.16
#11 0x00007f367852f3c6 in KoTextDocumentLayout::doLayout() () from /usr/lib64/libkotextlayout.so.16
#12 0x00007f367852fa48 in KoTextDocumentLayout::layout() () from /usr/lib64/libkotextlayout.so.16
#13 0x00007f3681dd9192 in QObject::event(QEvent*) () from /usr/lib64/libQt5Core.so.5
#14 0x00007f36827a95f2 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#15 0x00007f36827b26a0 in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#16 0x00007f3681daec62 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib64/libQt5Core.so.5
#17 0x00007f3681db1768 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib64/libQt5Core.so.5
#18 0x00007f3681e02ce3 in ?? () from /usr/lib64/libQt5Core.so.5
#19 0x00007f367e9e3b2d in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#20 0x00007f367e9e3d80 in ?? () from /usr/lib64/libglib-2.0.so.0
#21 0x00007f367e9e3e0f in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#22 0x00007f3681e023fc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#23 0x00007f3681dd87fd in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQt5Core.so.5
#24 0x00007f3681dd87fd in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQt5Core.so.5
#25 0x00007f367911c081 in KoUpdater::sigProgress(int) () from /usr/lib64/libkowidgetutils.so.16
#26 0x00007f36786eb3e6 in KoDocument::openFile() () from /usr/lib64/libkomain.so.16
#27 0x00007f36786f1691 in KoDocument::openUrlInternal(QUrl const&) () from /usr/lib64/libkomain.so.16
#28 0x00007f36786f19ac in KoDocument::openUrl(QUrl const&) () from /usr/lib64/libkomain.so.16
#29 0x00007f3679132895 in ?? () from /usr/lib64/qt5/plugins/calligrathumbnail.so
#30 0x00007f367d989596 in ?? () from /usr/lib64/qt5/plugins/kf5/kio/thumbnail.so
#31 0x00007f367e4fcda6 in KIO::SlaveBase::dispatch(int, QByteArray const&) () from /usr/lib64/libKF5KIOCore.so.5
#32 0x00007f367e4fd41e in KIO::SlaveBase::dispatchLoop() () from /usr/lib64/libKF5KIOCore.so.5
#33 0x00007f367d986dbb in kdemain () from /usr/lib64/qt5/plugins/kf5/kio/thumbnail.so
#34 0x00000000004089e9 in ?? ()
#35 0x0000000000409a62 in ?? ()
#36 0x000000000040a395 in ?? ()
#37 0x000000000040558f in ?? ()
#38 0x00007f368161ee5b in __libc_start_main () from /lib64/libc.so.6
#39 0x00000000004061aa in ?? ()
[Inferior 1 (process 20813) detached]
------------------------------
my system is slackware64-current with plasma from AlienBOB up to date.
There seems to be a problem?