Did you ever solve this?

Do you have an Intel CPU? Is it overclocked? I remember microcode updates related to Spectre caused some issues with sleep. I fixed a similar sleep issue at the time by replacing the intel microcode...

Just tried the latest drivers (365.19) and the issue is still present. Videos in web browsers seem to trigger it. Closing all instances of the web browser seems to temporarily fix it. Will probably...

I'm still getting the problem with the latest nVidia display driver (365.19). Is it just the GTX560/Ti which is affected in this way? Can anyone confirm the last good driver which definitely does not...

Any indication of what is triggering this? I have a 5 series 560, and the same post Tomb Raider drivers are causing the high System and compressed memory cpu, blocking one core of the processor and...

It's the same dxgmm2.sys thread which is maxing out a core on one of my processors too. I think the problem is NVidia display driver related. It's probably worth trying older drivers (pre the Tomb...

I have a GTX560 1GB card. Have you tried disabling and reenabling the display driver in Device Manager? For me this fixes it, at least until the next sleep/suspend.

Also, using Process Explorer,...