Possible issue with current and 12-STABLE locking up when DRM started

[Niclas Zeising]

On 2020-04-23 01:08, Kevin Oberman wrote:
> I have seen multiple reports of systems locking up with a blank screen when
> starting X or when booting. I may have found a clue... or maybe it's not
> related.
> 
> Back on April 2, Hans committed r359727 which was MFCed to 12-STABLE on
> April 15 as r359957. This modified locking on the linux KPI. With that
> update, I can no longer get DRM to run. Since I use startx to run X, I see
> this as a blank screen when the console is transitioned from vga to fb.
> 
> I opened 245837 as a kernel issue, but it is also possible that it exposed
> some race issue in the DRM code. It contains what few details I have
> available.

Just for the benefit of the mailing list:
This issue has been resolved, see the bugzilla bug for details.
Regards
-- 
Niclas