Comment # 4
on bug 107066
from Lyude Paul
Still looking into this and have made a tiny bit of progress. A couple of things to note: - I've reproduced this with two monitors, but it's far more likely to occur with three. So, just use three - Whenever the problem happens, it seems that the atomic commit actually fails (specifically, at drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c:4651 . I thought this might be another userspace issue like one I fixed with X recently, but I wouldn't expect that to be triggerable through legacy modesetting...) which causes the DC streams to not be created which causes the warning message you saw in the earlier log don't know much more then that yet, but I'll keep you updated
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