On 2024/03/08 22:35, Mark Kettenis wrote: > > Date: Fri, 8 Mar 2024 20:29:35 +0000 > > From: Stuart Henderson <s...@spacehopper.org> > > > > On 2024/03/08 14:34, Kenneth Westerback wrote: > > > I see the same/similar behaviour on my M1 MacMini. i.e. when sceen blanks > > > it won't come back until I reboot. > > > > > > Monitor is connected via HDMI. Happy to provide more details/info/tests if > > > same deemed useful. > > > > Just tried xset s off, which I think _may_ be helping. > > I haven't done a ton of testing myself. Mostly just having machines > sit idle in xenodm. There were some reports that quickly changing the > display brightness causes similar firmware hangs. So I wonder if > doing something more complicated in X would trigger the issue. > > I think tobhe@ has spent a bit more time on his m2 macbook air. But > maybe he doesn't have the automatic screen blanking enabled.
I added 'xset s off' on top of the existing 'xset -dpms' 2 hours ago and the display is still on, so I think that's a winner. It didn't _always_ stay off after blanking, but did most of the time.