<div dir="ltr"><div>Hello, <br></div><div><br></div><div>I have been using 8.5 appimage and decided to try the weekly appimage. I'm using the debug image (digiKam-8.6.0-20250205T150105-Qt6-x86-64-debug.appimage)<span style="font-family:monospace"><br></span></div><div><br></div><div>It showed a dialog saying that the Face Recognition database was out of date and results wouldn't be accurate until it was upgraded. I said yes to the upgrade and then allowed the next dialog to download the 4 new image recognition libraries. <br></div><div><br></div><div>A few moments later Digikam segfaulted.</div><div><br></div><div>When I start it again the database-upgrade notice doesn't return, but I don't know that it completed successfully. <br></div><div><br></div><div>Q1 - Do I need to trigger something so that the face database upgrade is complete? <br></div><div><br></div><div>After the segfault Digikam prompted to download the libraries again, but this time those downloaded successfully.</div><div><br></div><div>Now when I try to run facial recognition I get a segfault every time. I set the dialog to "Recognize faces only" and then click "Scan collection for faces". </div><div><br></div><div>Q2 - Is this a known / expected segfault, or should I collect some more info? <br></div><div><br></div><div>The last lines of output in the terminal look like this. <br></div><br>Digikam::DImg::load: "/shared/big/no_backup/ro_photos/photos/2022/02/18/YFEZ0700.HEIC" : "HEIF" file identified<br>Digikam::DMetadata::load: Loading metadata with "Exiv2" backend from "/shared/big/no_backup/ro_photos/photos/2022/02/18/YFEZ0700.HEIC"<br>unknown: HEIF color profile found with size: 548<br>unknown: HEIF image size: ( 3024 x 4032 )<br>unknown: Decoded HEIF image properties: size( 4032 x 3024 ), Alpha: false , Color depth : 8<br>unknown: HEIF data container: 0x7f75e5d1d010<br>unknown: HEIC bytes per line: 12096<br>unknown: Color bytes depth: 8<br>unknown: Color multiplier: 1<br>Digikam::StackedView::setViewMode: Stacked View Mode :  1<br>Digikam::FocusPointGroup::load: FocusPointsGroup: no Point to load<br>Digikam::PreviewLoadingTask::execute: Try to get preview from "/shared/big/no_backup/ro_photos/photos/2008/09/04/yellowstone blog - 07.jpg"<br>Digikam::PreviewLoadingTask::execute: Preview quality:  0<br>Digikam::DMetadata::load: Loading metadata with "Exiv2" backend from "/shared/big/no_backup/ro_photos/photos/2008/09/04/yellowstone blog - 07.jpg"<br>Digikam::PreviewLoadingTask::loadImagePreview: Try to load DImg preview from: "/shared/big/no_backup/ro_photos/photos/2008/09/04/yellowstone blog - 07.jpg"<br>Digikam::DImg::load: "/shared/big/no_backup/ro_photos/photos/2008/09/04/yellowstone blog - 07.jpg" : "JPEG" file identified<br>Digikam::DMetadata::load: Loading metadata with "Exiv2" backend from "/shared/big/no_backup/ro_photos/photos/2008/09/04/yellowstone blog - 07.jpg"<br>Digikam::FaceDb::setting: FaceDB SelectFaceSetting val ret = 0<br>Digikam::FaceDb::setting: FaceDB SelectFaceSetting val ret = 0<br>Digikam::FacesEngine::slotStart: Total is 28029<br>Digikam::DNNFaceDetectorYuNet::DNNFaceDetectorYuNet: Creating new instance of DNNFaceDetectorYuNet<br>Digikam::DNNFaceDetectorYuNet::loadModels: Face detection model: "YuNet" ready<br>Digikam::MLPipelineFoundation::checkMoreWorkers: MLPipelineFoundation::checkMoreWorkers: Sending signal to more workers<br>Digikam::MLPipelineFoundation::checkMoreWorkers: MLPipelineFoundation::checkMoreWorkers: Sending signal to more workers<br>Digikam::MLPipelineFoundation::checkMoreWorkers: MLPipelineFoundation::checkMoreWorkers: Sending signal to more workers<br>[ WARN:0@80.706] global ocl4dnn_conv_spatial.cpp:1931 loadTunedConfig OpenCV(ocl4dnn): consider to specify kernel configuration cache directory through OPENCV_OCL4DNN_CONFIG_PATH p<br>arameter.<br>OpenCL program build log: dnn/dummy<br>Status -11: CL_BUILD_PROGRAM_FAILURE<br>-cl-no-subgroup-ifp<br>Error in processing command line: Don't understand command line argument "-cl-no-subgroup-ifp"!<br>Digikam::DNNSFaceExtractor::getFaceEmbedding: Finish aligning face in  98  ms<br>Digikam::DNNSFaceExtractor::getFaceEmbedding: Start neural network<br>Digikam::DNNSFaceExtractor::getFaceEmbedding: No face landmarks found<br>Digikam::DNNSFaceExtractor::getFaceEmbedding: Finish computing face embedding in  106  ms<br>Digikam::DNNSFaceExtractor::getFaceEmbedding: No face landmarks found<br>Digikam::DNNSFaceExtractor::getFaceEmbedding: Finish computing face embedding in  122  ms<br>Digikam::DNNSFaceExtractor::getFaceEmbedding: No face landmarks found<br>Digikam::DNNSFaceExtractor::getFaceEmbedding: Finish computing face embedding in  142  ms<br>Digikam::DNNSFaceExtractor::getFaceEmbedding: No face landmarks found<br>Digikam::DNNSFaceExtractor::getFaceEmbedding: Finish computing face embedding in  161  ms<br>Digikam::DNNSFaceExtractor::getFaceEmbedding: No face landmarks found<br>Digikam::DNNSFaceExtractor::getFaceEmbedding: Finish computing face embedding in  104  ms<br>Digikam::DNNSFaceExtractor::getFaceEmbedding: No face landmarks found<br>Digikam::DNNSFaceExtractor::getFaceEmbedding: Finish computing face embedding in  115  ms<br>Digikam::DNNSFaceExtractor::getFaceEmbedding: No face landmarks found<br>Digikam::DNNSFaceExtractor::getFaceEmbedding: Finish computing face embedding in  72  ms<br>Digikam::DNNSFaceExtractor::getFaceEmbedding: No face landmarks found<br>Digikam::DNNSFaceExtractor::getFaceEmbedding: Finish computing face embedding in  49  ms<br>Digikam::DNNSFaceExtractor::getFaceEmbedding: No face landmarks found<br>Digikam::DNNSFaceExtractor::getFaceEmbedding: Finish computing face embedding in  56  ms<br>Digikam::DNNSFaceExtractor::getFaceEmbedding: No face landmarks found<br>Digikam::DNNSFaceExtractor::getFaceEmbedding: Finish computing face embedding in  13  ms<br>Digikam::DNNSFaceExtractor::getFaceEmbedding: Finish computing face embedding in  325  ms<br>Digikam::FaceClassifier::predictFullSearch: FaceClassifier::predictFullSearch: classifier prediction is:  159  completed in  0<br>Digikam::DNNSFaceExtractor::getFaceEmbedding: Finish aligning face in  426  ms<br>Digikam::DNNSFaceExtractor::getFaceEmbedding: Start neural network<br>Digikam::DNNSFaceExtractor::getFaceEmbedding: No face landmarks found<br>Digikam::DNNSFaceExtractor::getFaceEmbedding: Finish computing face embedding in  68  ms<br>Digikam::DNNSFaceExtractor::getFaceEmbedding: Finish computing face embedding in  105  ms<br>Digikam::FaceClassifier::predictFullSearch: FaceClassifier::predictFullSearch: classifier prediction is:  -1  completed in  0<br>Digikam::DNNSFaceExtractor::getFaceEmbedding: Finish aligning face in  532  ms<br>Digikam::DNNSFaceExtractor::getFaceEmbedding: Start neural network<br><div>/tmp/user/1001/.mount_digiKaO6gtZg/AppRun: line 261: 149464 Segmentation fault      (core dumped) digikam $@</div><div><br></div><div>It says core dumped, but I don't see the dump file. <br></div><div><br></div><div>Thanks,</div><div>Michael<br></div></div>