So,
Seeing that this problem is not specific to me, I will post quotes from various users with same problems so @Claymore can identify that indeed a problem exists.
@Claymore, thank you for your last response:
Try to set original ROM, remove overclock and see if it helps, this way you can check that the reason is in your settings.
If your rig freezes, it must be something related to overclock, like wrong voltage for some power states, or something similar. It is not miner issue.
My answer to that was:
I didn't get the chance to set original ROM but I did remove overclock. Not only it didn't help but it got worse! In fact, while I was trying different OC settings I noticed that the lower I was setting my clocks, the more unstable my rig became.
My rig usually freezes after a GPU hangs or after a share gets rejected. The clocks I am using and the ROM I am using have been stable for months now with previous drivers and miner version
One more thing I have noticed is that after a rig restart (following a freeze) the miner starts, the clocks and voltages are being set normally but I get~ 3.5% less performance than usual. Once I restart the miner it gets back at 100%. Does anyone else have the same issue?
What I believe all of us with the same problem would love to hear from you is that you are aware of the problem and checking it out. Don't let us abandon hope!
I am at the point of 5+ miner restarts per day...
If I'm reading and following this right, Claymore asked you to perform 2 things, you managed to do only 1, and now you r going back to him saying that it didn't help. That's really outstanding.
On a side note I had similar problems and managed to fix this by tuning the core voltages for each GPU separately. Now everything is stable and for the last few days I checked only twice the miners. For all people with similar issues, just by following simple logic -> if the miner works stable lets say for 10 other people, do you think it's the miner to be blamed?