Nvidia 570 Sleep and Lock Screen Issues

[mchnz]

@ariadnyx

I used to get black screens when going fullscreen or after locking the screen, and it turned out the fix was simply disabling adaptive sync.

Interesting.

I re-dup’ed from the 550 to the 570 driver and edited /etc/X11/Xorg.conf and set AllowGSYNCCompatible=off for my only gsync compatible monitor.

With just AllowGSYNCCompatible=off kwin fell over, so I also turned off , ForceCompositionPipeline, and ForceFullCompositionPipeline for both of my monitors (restarted/relogged in after each alteration). So the relevant Xorg.conf line is now:

Option         "metamodes" "DP-4: nvidia-auto-select +0+0 {ForceCompositionPipeline=Off, ForceFullCompositionPipeline=Off, AllowGSYNCCompatible=Off}, DP-0: nvidia-auto-select +3839+0 {ForceCompositionPipeline=Off, ForceFullCompositionPipeline=Off}"

So far, things seem OK. The fault was always a bit intermittent, occurring about 80-90% of the time, and varying in the degree to which things were broken. I’ll see how this goes for a couple of days.