I think this bug is caused by the graphic chipset driver used. But I don't find any installation procedure up to date for the amd manufacturer driver on debian official documentation.
- Bug#1087030: kwin-wayland: Random screen freezes clement
- Bug#1087030: graphic chipset driver problem clementjeanandre . robert
- Bug#1087030: bug resolved caused by swap si... clementjeanandre . robert
