Comment # 8 on bug 110630 from Eugene Uzix

Same issue on

Radeon RX 580
Linux 5.2.0-2-amd64 #1 SMP Debian 5.2.9-1 (2019-08-18)
Actual Debian Sid
X.Org X Server 1.20.4, amdgpu 19.0.1
Openbox + compton

Killing compton does not help.