For the past few weeks, T-Rex has been shutting down multiple times during the day. Causing me to have to restart the whole miner. 4x1080T1 on Unbuntu.
No errors are entered in the T-Rex logs. The program just stops and crashes..

I have the cards running at default voltages and no overclock at all.

I'm also mining on Ravencoin

I'm seeing other users who are having similar issues.