My hashrate drop to 0

I am using linux ethos for mining with 3 x 280x … eveything is going stable for some minutes and then all cards start to drop to 0hash 1 by 1 … can anyone help me … ( sorry for bad spelling i am french ) thx !

help anyone ?! …

I don’t know ethos, I use Ubuntu and Linux Mint. In my opinion it’s just impossible to give you any advice, because there’s too less information. Do you habe any error messages or something else? If not, you should check where you can find the log files of your system and check them for errors.