https://bugs.freedesktop.org/show_bug.cgi?id=107066
--- Comment #4 from Lyude Paul <ly...@redhat.com> ---
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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