Hi Maxime, On 17/12/20 at 15:15 +0100, Maxime Ripard wrote: > Just so you know, I reproduced it today with a 5.10 kernel plugged into > a 4k60 monitor. It doesn't look like it occur often, but I'll try to > find what's going on. Great. Someone else also reported see it in https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=968181#28 Lucas