https://bugs.kde.org/show_bug.cgi?id=417896
--- Comment #3 from Nigel Aves <nigel.a...@gmail.com> --- Here is the trace-back. I will now run it with "multi-core" turned off, so Yes, I was using it. Interesting though. The first time I ran this with "debug" it worked all the way through 193 photographs. The 2nd time it crashed before processing a single photograph. I have 32 GB of memory / AMD Ryzen 7. Trace back .... Thread 1209 "Thread (pooled)" received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x7fff627fc700 (LWP 30627)] 0x00007ffff779313d in Digikam::WBFilter::adjustWhiteBalance(unsigned char*, int, int, bool) () from /tmp/.mount_digikaMSxxwt/usr/lib/libdigikamcore.so.7.0.0 (gdb) bt #0 0x00007ffff779313d in Digikam::WBFilter::adjustWhiteBalance(unsigned char*, int, int, bool) () from /tmp/.mount_digikaMSxxwt/usr/lib/libdigikamcore.so.7.0.0 #1 0x00007ffff7793878 in Digikam::WBFilter::filterImage() () from /tmp/.mount_digikaMSxxwt/usr/lib/libdigikamcore.so.7.0.0 #2 0x00007ffff772a858 in Digikam::AutoExpoFilter::filterImage() () from /tmp/.mount_digikaMSxxwt/usr/lib/libdigikamcore.so.7.0.0 #3 0x00007ffff76d9968 in Digikam::DImgThreadedFilter::startFilterDirectly() () from /tmp/.mount_digikaMSxxwt/usr/lib/libdigikamcore.so.7.0.0 #4 0x00007ffff6e7c767 in Digikam::BatchTool::applyFilter(Digikam::DImgThreadedFilter*) () from /tmp/.mount_digikaMSxxwt/usr/lib/libdigikamgui.so.7.0.0 #5 0x00007fffc8451038 in ?? () from /tmp/.mount_digikaMSxxwt/usr/plugins/digikam/bqm/Bqm_AutoCorrection_Plugin.so #6 0x00007ffff6e7d8b4 in Digikam::BatchTool::apply() () from /tmp/.mount_digikaMSxxwt/usr/lib/libdigikamgui.so.7.0.0 #7 0x00007ffff6e7a27d in Digikam::Task::run() () from /tmp/.mount_digikaMSxxwt/usr/lib/libdigikamgui.so.7.0.0 #8 0x00007ffff42f2f47 in ?? () from /tmp/.mount_digikaMSxxwt/usr/lib/libQt5Core.so.5 #9 0x00007ffff42ef4f5 in ?? () from /tmp/.mount_digikaMSxxwt/usr/lib/libQt5Core.so.5 #10 0x00007ffff3c8b669 in start_thread (arg=<optimized out>) at pthread_create.c:479 #11 0x00007ffff3bb3323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 -- You are receiving this mail because: You are watching all bug changes.