Every time there's a release of CRIMSON I look forward to upgrading ... haven't been able to move beyond 16.4.2 . Every other release after this causes my computer to take ages to wake up from sleep ... like a minute or more, whereas it was instant with 16.4.2. I now have 16.12.2 ... same problem, however at least this version enables my computer to restart without hanging.
I found this on a very early thread:
"I have solved this problem by disabling AMD power save feature.
In regedit find "EnableUlps" key and change value from "1" to "0"."
I've made the change and fingers crossed it looks like it's fixed my issue.