Thanks for the detailed bug report. That jagged black tearing is the result of unsynchronized nonlinear buffers being used on screen.
Can you please try these in order?
1. Run 'lscpu' and send us the output.
2. Run: sudo apt install vainfo
3. Run 'vainfo' and send us the output.
4. Try this as a workaround: sudo apt remove gstreamer1.0-vaapi
Thanks for the detailed bug report. That jagged black tearing is the result of unsynchronized nonlinear buffers being used on screen.
Can you please try these in order?
1. Run 'lscpu' and send us the output.
2. Run: sudo apt install vainfo
3. Run 'vainfo' and send us the output.
4. Try this as a workaround:
sudo apt remove gstreamer1.0-vaapi