Bug 361317

Summary: Digicam crash when using face recognition
Product: [Applications] digikam Reporter: Mike Schneider <mike2.schneider>
Component: Faces-RecognitionAssignee: Digikam Developers <digikam-bugs-null>
Status: RESOLVED FIXED    
Severity: crash CC: caulier.gilles
Priority: NOR Keywords: drkonqi
Version First Reported In: 4.14.0   
Target Milestone: ---   
Platform: openSUSE   
OS: Linux   
Latest Commit: Version Fixed/Implemented In: 5.1.0
Sentry Crash Report:

Description Mike Schneider 2016-04-02 12:55:34 UTC 
Application: digikam (4.14.0)
KDE Platform Version: 4.14.17
Qt Version: 4.8.6
Operating System: Linux 4.5.0-5.gd68d55b-default x86_64
Distribution: "openSUSE Leap 42.1 (x86_64)"

-- Information about the crash:
I used face recognition on a collection, then digicam crashed

-- Backtrace:
Application: digiKam (digikam), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f0733434980 (LWP 8478))]

Thread 12 (Thread 0x7f0716ebb700 (LWP 8479)):
#0  0x00007f072be34bbd in poll () at /lib64/libc.so.6
#1  0x00007f0717a0f888 in  () at /usr/lib64/libusb-1.0.so.0
#2  0x00007f072a6b10a4 in start_thread () at /lib64/libpthread.so.0
#3  0x00007f072be3cfed in clone () at /lib64/libc.so.6

Thread 11 (Thread 0x7f071019b700 (LWP 8480)):
#0  0x00007f072a6b503f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f072c9980a6 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQtCore.so.4
#2  0x00000000005e460e in  ()
#3  0x00007f072c997bbf in  () at /usr/lib64/libQtCore.so.4
#4  0x00007f072a6b10a4 in start_thread () at /lib64/libpthread.so.0
#5  0x00007f072be3cfed in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7f070f99a700 (LWP 8481)):
#0  0x00007f072439acf9 in g_mutex_lock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f0724358a46 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f0724358ed8 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f0724358f7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f072cac5fde in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#5  0x00007f072ca97d4f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#6  0x00007f072ca98045 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#7  0x00007f072c9954df in QThread::exec() () at /usr/lib64/libQtCore.so.4
#8  0x00007f072ca79653 in  () at /usr/lib64/libQtCore.so.4
#9  0x00007f072c997bbf in  () at /usr/lib64/libQtCore.so.4
#10 0x00007f072a6b10a4 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f072be3cfed in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7f070f199700 (LWP 8489)):
#0  0x00007f072a6b503f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f072c9980a6 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQtCore.so.4
#2  0x00007f0731b82c3a in  () at /usr/lib64/libdigikamcore.so.4.14.0
#3  0x00007f072c997bbf in  () at /usr/lib64/libQtCore.so.4
#4  0x00007f072a6b10a4 in start_thread () at /lib64/libpthread.so.0
#5  0x00007f072be3cfed in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7f070cb26700 (LWP 8494)):
#0  0x00007f072439a8c1 in g_private_get () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f072437e400 in g_thread_self () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f0724358f6d in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f072cac5fde in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#4  0x00007f072ca97d4f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#5  0x00007f072ca98045 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#6  0x00007f0731b82303 in  () at /usr/lib64/libdigikamcore.so.4.14.0
#7  0x00007f072c98bace in  () at /usr/lib64/libQtCore.so.4
#8  0x00007f072c997bbf in  () at /usr/lib64/libQtCore.so.4
#9  0x00007f072a6b10a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f072be3cfed in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f06fb6b7700 (LWP 8495)):
#0  0x00007f0727d5d2cb in  () at /usr/lib64/libopencv_objdetect.so.2.4
#1  0x00007f0727d5db66 in cvRunHaarClassifierCascade () at /usr/lib64/libopencv_objdetect.so.2.4
#2  0x00007f0727d5dc96 in cv::HaarDetectObjects_ScaleCascade_Invoker::operator()(cv::Range const&) const () at /usr/lib64/libopencv_objdetect.so.2.4
#3  0x00007f0727d5fcf1 in cvHaarDetectObjectsForROC(void const*, CvHaarClassifierCascade*, CvMemStorage*, std::vector<int, std::allocator<int> >&, std::vector<double, std::allocator<double> >&, double, int, int, CvSize, CvSize, bool) () at /usr/lib64/libopencv_objdetect.so.2.4
#4  0x00007f0727d58b65 in cv::CascadeClassifier::detectMultiScale(cv::Mat const&, std::vector<cv::Rect_<int>, std::allocator<cv::Rect_<int> > >&, std::vector<int, std::allocator<int> >&, std::vector<double, std::allocator<double> >&, double, int, int, cv::Size_<int>, cv::Size_<int>, bool) () at /usr/lib64/libopencv_objdetect.so.2.4
#5  0x00007f0727d45cc0 in cv::CascadeClassifier::detectMultiScale(cv::Mat const&, std::vector<cv::Rect_<int>, std::allocator<cv::Rect_<int> > >&, double, int, int, cv::Size_<int>, cv::Size_<int>) () at /usr/lib64/libopencv_objdetect.so.2.4
#6  0x00007f0730abc9f7 in  () at /usr/lib64/libkface.so.3
#7  0x00007f0730ac014a in  () at /usr/lib64/libkface.so.3
#8  0x00007f0730ac13cc in  () at /usr/lib64/libkface.so.3
#9  0x00007f0730aa8480 in KFaceIface::FaceDetector::detectFaces(QImage const&, QSize const&) () at /usr/lib64/libkface.so.3
#10 0x000000000070fcf5 in  ()
#11 0x000000000070ff9a in  ()
#12 0x00007f072cab149e in QObject::event(QEvent*) () at /usr/lib64/libQtCore.so.4
#13 0x00007f072d4a379c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQtGui.so.4
#14 0x00007f072d4a9cdd in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQtGui.so.4
#15 0x00007f072e1bae1a in KApplication::notify(QObject*, QEvent*) () at /usr/lib64/libkdeui.so.5
#16 0x00007f072ca9918d in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQtCore.so.4
#17 0x00007f072ca9c45d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQtCore.so.4
#18 0x00007f072cac67fe in  () at /usr/lib64/libQtCore.so.4
#19 0x00007f0724358c84 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#20 0x00007f0724358ed8 in  () at /usr/lib64/libglib-2.0.so.0
#21 0x00007f0724358f7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#22 0x00007f072cac5fbe in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#23 0x00007f072ca97d4f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#24 0x00007f072ca98045 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#25 0x00007f0731b82303 in  () at /usr/lib64/libdigikamcore.so.4.14.0
#26 0x00007f072c98bace in  () at /usr/lib64/libQtCore.so.4
#27 0x00007f072c997bbf in  () at /usr/lib64/libQtCore.so.4
#28 0x00007f072a6b10a4 in start_thread () at /lib64/libpthread.so.0
#29 0x00007f072be3cfed in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f06f4cd7700 (LWP 8504)):
[KCrash Handler]
#6  0x00007f0731b5b212 in Digikam::LoadingDescription::cacheKey() const () at /usr/lib64/libdigikamcore.so.4.14.0
#7  0x00007f0731b68428 in  () at /usr/lib64/libdigikamcore.so.4.14.0
#8  0x00007f0731b55c56 in Digikam::LoadSaveThread::run() () at /usr/lib64/libdigikamcore.so.4.14.0
#9  0x00007f0731b84a7e in Digikam::DynamicThread::DynamicThreadPriv::run() () at /usr/lib64/libdigikamcore.so.4.14.0
#10 0x00007f072c98bace in  () at /usr/lib64/libQtCore.so.4
#11 0x00007f072c997bbf in  () at /usr/lib64/libQtCore.so.4
#12 0x00007f072a6b10a4 in start_thread () at /lib64/libpthread.so.0
#13 0x00007f072be3cfed in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f06cd7fa700 (LWP 8510)):
#0  0x00007f072be38f79 in syscall () at /lib64/libc.so.6
#1  0x00007f072c996663 in  () at /usr/lib64/libQtCore.so.4
#2  0x00007f072c992ae5 in QMutex::lockInternal() () at /usr/lib64/libQtCore.so.4
#3  0x00007f0731b6805f in  () at /usr/lib64/libdigikamcore.so.4.14.0
#4  0x00007f0731b55c56 in Digikam::LoadSaveThread::run() () at /usr/lib64/libdigikamcore.so.4.14.0
#5  0x00007f0731b84a7e in Digikam::DynamicThread::DynamicThreadPriv::run() () at /usr/lib64/libdigikamcore.so.4.14.0
#6  0x00007f072c98bace in  () at /usr/lib64/libQtCore.so.4
#7  0x00007f072c997bbf in  () at /usr/lib64/libQtCore.so.4
#8  0x00007f072a6b10a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f072be3cfed in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f06b9ffb700 (LWP 8516)):
#0  0x00007f072be30c8d in read () at /lib64/libc.so.6
#1  0x00007f0724399b60 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f0724358999 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f0724358df8 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f0724358f7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007f072cac5fde in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#6  0x00007f072ca97d4f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#7  0x00007f072ca98045 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#8  0x00007f0731b82303 in  () at /usr/lib64/libdigikamcore.so.4.14.0
#9  0x00007f072c98bace in  () at /usr/lib64/libQtCore.so.4
#10 0x00007f072c997bbf in  () at /usr/lib64/libQtCore.so.4
#11 0x00007f072a6b10a4 in start_thread () at /lib64/libpthread.so.0
#12 0x00007f072be3cfed in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f06b97fa700 (LWP 8517)):
#0  0x00007f0727d5d67e in  () at /usr/lib64/libopencv_objdetect.so.2.4
#1  0x00007f0727d5db66 in cvRunHaarClassifierCascade () at /usr/lib64/libopencv_objdetect.so.2.4
#2  0x00007f0727d5dc96 in cv::HaarDetectObjects_ScaleCascade_Invoker::operator()(cv::Range const&) const () at /usr/lib64/libopencv_objdetect.so.2.4
#3  0x00007f0727d5fcf1 in cvHaarDetectObjectsForROC(void const*, CvHaarClassifierCascade*, CvMemStorage*, std::vector<int, std::allocator<int> >&, std::vector<double, std::allocator<double> >&, double, int, int, CvSize, CvSize, bool) () at /usr/lib64/libopencv_objdetect.so.2.4
#4  0x00007f0727d58b65 in cv::CascadeClassifier::detectMultiScale(cv::Mat const&, std::vector<cv::Rect_<int>, std::allocator<cv::Rect_<int> > >&, std::vector<int, std::allocator<int> >&, std::vector<double, std::allocator<double> >&, double, int, int, cv::Size_<int>, cv::Size_<int>, bool) () at /usr/lib64/libopencv_objdetect.so.2.4
#5  0x00007f0727d45cc0 in cv::CascadeClassifier::detectMultiScale(cv::Mat const&, std::vector<cv::Rect_<int>, std::allocator<cv::Rect_<int> > >&, double, int, int, cv::Size_<int>, cv::Size_<int>) () at /usr/lib64/libopencv_objdetect.so.2.4
#6  0x00007f0730abc9f7 in  () at /usr/lib64/libkface.so.3
#7  0x00007f0730ac014a in  () at /usr/lib64/libkface.so.3
#8  0x00007f0730ac13cc in  () at /usr/lib64/libkface.so.3
#9  0x00007f0730aa8480 in KFaceIface::FaceDetector::detectFaces(QImage const&, QSize const&) () at /usr/lib64/libkface.so.3
#10 0x000000000070fcf5 in  ()
#11 0x000000000070ff9a in  ()
#12 0x00007f072cab149e in QObject::event(QEvent*) () at /usr/lib64/libQtCore.so.4
#13 0x00007f072d4a379c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQtGui.so.4
#14 0x00007f072d4a9cdd in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQtGui.so.4
#15 0x00007f072e1bae1a in KApplication::notify(QObject*, QEvent*) () at /usr/lib64/libkdeui.so.5
#16 0x00007f072ca9918d in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQtCore.so.4
#17 0x00007f072ca9c45d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQtCore.so.4
#18 0x00007f072cac67fe in  () at /usr/lib64/libQtCore.so.4
#19 0x00007f0724358c84 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#20 0x00007f0724358ed8 in  () at /usr/lib64/libglib-2.0.so.0
#21 0x00007f0724358f7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#22 0x00007f072cac5fbe in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#23 0x00007f072ca97d4f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#24 0x00007f072ca98045 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#25 0x00007f0731b82303 in  () at /usr/lib64/libdigikamcore.so.4.14.0
#26 0x00007f072c98bace in  () at /usr/lib64/libQtCore.so.4
#27 0x00007f072c997bbf in  () at /usr/lib64/libQtCore.so.4
#28 0x00007f072a6b10a4 in start_thread () at /lib64/libpthread.so.0
#29 0x00007f072be3cfed in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f06b8ff9700 (LWP 8518)):
#0  0x00007f072439ad14 in g_mutex_unlock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f0724358759 in g_main_context_query () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f0724358dcf in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f0724358f7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f072cac5fde in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#5  0x00007f072ca97d4f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#6  0x00007f072ca98045 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#7  0x00007f0731b82303 in  () at /usr/lib64/libdigikamcore.so.4.14.0
#8  0x00007f072c98bace in  () at /usr/lib64/libQtCore.so.4
#9  0x00007f072c997bbf in  () at /usr/lib64/libQtCore.so.4
#10 0x00007f072a6b10a4 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f072be3cfed in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f0733434980 (LWP 8478)):
#0  0x00007f072be38f79 in syscall () at /lib64/libc.so.6
#1  0x00007f072c996663 in  () at /usr/lib64/libQtCore.so.4
#2  0x00007f072c992ae5 in QMutex::lockInternal() () at /usr/lib64/libQtCore.so.4
#3  0x00007f0731b7650d in Digikam::ThumbnailLoadThread::find(Digikam::ThumbnailIdentifier const&, int, QPixmap*, bool, QRect const&) () at /usr/lib64/libdigikamcore.so.4.14.0
#4  0x00007f0731b76a65 in Digikam::ThumbnailLoadThread::find(Digikam::ThumbnailIdentifier const&, QPixmap&, int) () at /usr/lib64/libdigikamcore.so.4.14.0
#5  0x00007f07320ecaa8 in Digikam::ImageThumbnailModel::data(QModelIndex const&, int) const () at /usr/lib64/libdigikamdatabase.so.4.14.0
#6  0x00007f072da1389d in QSortFilterProxyModel::data(QModelIndex const&, int) const () at /usr/lib64/libQtGui.so.4
#7  0x00007f07320de953 in Digikam::ImageFilterModel::data(QModelIndex const&, int) const () at /usr/lib64/libdigikamdatabase.so.4.14.0
#8  0x00007f072da1389d in QSortFilterProxyModel::data(QModelIndex const&, int) const () at /usr/lib64/libQtGui.so.4
#9  0x000000000061a35c in  ()
#10 0x000000000061a4d9 in  ()
#11 0x000000000061a5b1 in  ()
#12 0x00007f072d9b9f21 in QListView::paintEvent(QPaintEvent*) () at /usr/lib64/libQtGui.so.4
#13 0x00007f0731bbb21b in Digikam::DigikamKCategorizedView::paintEvent(QPaintEvent*) () at /usr/lib64/libdigikamcore.so.4.14.0
#14 0x0000000000616b5c in  ()
#15 0x00007f072d4f2a40 in QWidget::event(QEvent*) () at /usr/lib64/libQtGui.so.4
#16 0x00007f072d88fe0e in QFrame::event(QEvent*) () at /usr/lib64/libQtGui.so.4
#17 0x00007f072d99f633 in QAbstractItemView::viewportEvent(QEvent*) () at /usr/lib64/libQtGui.so.4
#18 0x00007f0731bc3de0 in Digikam::DCategorizedView::viewportEvent(QEvent*) () at /usr/lib64/libdigikamcore.so.4.14.0
#19 0x00007f072ca992f6 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () at /usr/lib64/libQtCore.so.4
#20 0x00007f072d4a377c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQtGui.so.4
#21 0x00007f072d4a9cdd in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQtGui.so.4
#22 0x00007f072e1bae1a in KApplication::notify(QObject*, QEvent*) () at /usr/lib64/libkdeui.so.5
#23 0x00007f072ca9918d in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQtCore.so.4
#24 0x00007f072d4ed161 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /usr/lib64/libQtGui.so.4
#25 0x00007f072d4edb90 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /usr/lib64/libQtGui.so.4
#26 0x00007f072d4ed9ff in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /usr/lib64/libQtGui.so.4
#27 0x00007f072d4ecd1c in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /usr/lib64/libQtGui.so.4
#28 0x00007f072d4edb90 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /usr/lib64/libQtGui.so.4
#29 0x00007f072d4ecd1c in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /usr/lib64/libQtGui.so.4
#30 0x00007f072d4edb90 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /usr/lib64/libQtGui.so.4
#31 0x00007f072d4ecd1c in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /usr/lib64/libQtGui.so.4
#32 0x00007f072d4edb90 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /usr/lib64/libQtGui.so.4
#33 0x00007f072d4ed9ff in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /usr/lib64/libQtGui.so.4
#34 0x00007f072d4ecd1c in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /usr/lib64/libQtGui.so.4
#35 0x00007f072d4edb90 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /usr/lib64/libQtGui.so.4
#36 0x00007f072d4ecd1c in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /usr/lib64/libQtGui.so.4
#37 0x00007f072d4edb90 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /usr/lib64/libQtGui.so.4
#38 0x00007f072d4ecd1c in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /usr/lib64/libQtGui.so.4
#39 0x00007f072d6abe96 in  () at /usr/lib64/libQtGui.so.4
#40 0x00007f072d4e2610 in QWidgetPrivate::syncBackingStore() () at /usr/lib64/libQtGui.so.4
#41 0x00007f072d4f25ba in QWidget::event(QEvent*) () at /usr/lib64/libQtGui.so.4
#42 0x00007f072d8a88d3 in QMainWindow::event(QEvent*) () at /usr/lib64/libQtGui.so.4
#43 0x00007f072e2a68a9 in KXmlGuiWindow::event(QEvent*) () at /usr/lib64/libkdeui.so.5
#44 0x00007f072d4a379c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQtGui.so.4
#45 0x00007f072d4a9cdd in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQtGui.so.4
#46 0x00007f072e1bae1a in KApplication::notify(QObject*, QEvent*) () at /usr/lib64/libkdeui.so.5
#47 0x00007f072ca9918d in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQtCore.so.4
#48 0x00007f072ca9c45d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQtCore.so.4
#49 0x00007f072cac67fe in  () at /usr/lib64/libQtCore.so.4
#50 0x00007f0724358c84 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#51 0x00007f0724358ed8 in  () at /usr/lib64/libglib-2.0.so.0
#52 0x00007f0724358f7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#53 0x00007f072cac5fbe in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#54 0x00007f072d5406a6 in  () at /usr/lib64/libQtGui.so.4
#55 0x00007f072ca97d4f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#56 0x00007f072ca98045 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#57 0x00007f072ca9d499 in QCoreApplication::exec() () at /usr/lib64/libQtCore.so.4
#58 0x00000000004a1486 in  ()
#59 0x00007f072bd79b05 in __libc_start_main () at /lib64/libc.so.6
#60 0x00000000004a3d2f in _start ()

Reported using DrKonqi
Comment 1 caulier.gilles 2016-06-30 13:00:07 UTC 
Problem still reproducible using last digiKam 5.0.0-beta7 ?

Gilles Caulier
Comment 2 caulier.gilles 2016-07-02 18:43:18 UTC 
digiKam  will be released soon.

Please test with this version quickly and give us a fresh feedback.

Gilles Caulier
Comment 3 caulier.gilles 2016-07-07 10:52:29 UTC 
This problem is not reproducible with last 5.0.0
I close this file now. Re-open it if necessary.
Gilles Caulier