[Pkg-kde-extras] Bug#979441: Debugging information

[R. Lemos]

After installing digikam-private-libs-dbgsym and digikam-dbgsym....

$ gdb digikam
(gdb) break _ZN2cv3dnn14dnn4_v202009083NetC1Ev
(gdb) run

Then after clicking "Scan collection for faces", gdb halted... then:

(gdb) bt
Thread 52 "Thread (pooled)" hit Breakpoint 1, 0x00007ffff6bfc0d0 in
cv::dnn::dnn4_v20200908::Net::Net()@plt () from
/usr/lib/digikam/libdigikamcore.so.7.1.0
(gdb) bt
#0  0x00007ffff6bfc0d0 in cv::dnn::dnn4_v20200908::Net::Net()@plt ()
at /usr/lib/digikam/libdigikamcore.so.7.1.0
#1  0x00007ffff724a15d in
Digikam::DNNFaceDetectorSSD::DNNFaceDetectorSSD()
(this=0x7fff70008810)
    at ./core/libs/facesengine/detection/opencv-dnn/dnnfacedetectorssd.cpp:42
#2  0x00007ffff7247c45 in
Digikam::OpenCVDNNFaceDetector::OpenCVDNNFaceDetector(Digikam::DetectorNNModel)
(this=0x7fff7000f4a0, model=<optimized out>)
    at ./core/libs/facesengine/detection/opencv-dnn/opencvdnnfacedetector.cpp:54
#3  0x00007ffff72384c4 in Digikam::FaceDetector::Private::backend()
(this=0x55555d2f1a30) at
./core/libs/facesengine/detection/facedetector.cpp:85
#4  Digikam::FaceDetector::Private::applyParameters()
(this=0x55555d2f1a30) at
./core/libs/facesengine/detection/facedetector.cpp:123
#5  Digikam::FaceDetector::setParameters(QMap<QString, QVariant>
const&) (this=this at entry=0x55555d27adf8, parameters=...)
    at ./core/libs/facesengine/detection/facedetector.cpp:381
#6  0x00007ffff7d32517 in
Digikam::DetectionWorker::setAccuracy(double) (this=0x55555d27ade0,
accuracy=<optimized out>)
    at ./core/utilities/facemanagement/workers/detectionworker.cpp:83
#7  0x00007ffff5889f51 in QObject::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007ffff631e15f in QApplicationPrivate::notify_helper(QObject*,
QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#9  0x00007ffff585df2a in QCoreApplication::notifyInternal2(QObject*,
QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007ffff5860961 in
QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007ffff58b5df3 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007fffe991ad3b in g_main_context_dispatch () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007fffe991afe8 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007fffe991b09f in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#15 0x00007ffff58b547f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007ffff585c8eb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007ffff6e856fa in Digikam::WorkerObjectRunnable::run()
(this=0x55555d431f70) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qflags.h:121
#18 0x00007ffff567fe72 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007ffff567cb81 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007ffff3a29ea7 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#21 0x00007ffff52ffd8f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95


Hope it helps.