Created attachment 154881 [details] gdb output SUMMARY *** NOTE: If you are reporting a crash, please try to attach a backtrace with debug symbols. See https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports *** STEPS TO REPRODUCE 1. Download video at https://mixkit.co/free-stock-video/young-teacher-teaching-complicated-equations-4623/ ,Full HD 2. Open kdenlive with a brand new project 3. Drag the file mentioned above into the kdenlive application OBSERVED RESULT It crashed. gdb results below EXPECTED RESULT Load the clip SOFTWARE/OS VERSIONS Linux/KDE Plasma: Ubuntu 20.04 Qt Version: 5.12.8 ADDITIONAL INFORMATION I ran gdb and the output is attached.
When I turned off GPU acceleration, then everything is fine.
Thanks for reporting, it is a known issue and we are tracking it elsewhere.