I have noticed one of my mining rig stop or restart every so often and I was wondering if anyone could help me find a solution to this problem.
setx GPU_FORCE_64BIT_PTR 0
setx GPU_MAX_HEAP_SIZE 100
setx GPU_USE_SYNC_OBJECTS 1
setx GPU_MAX_ALLOC_PERCENT 100
setx GPU_SINGLE_ALLOC_PERCENT 100
EthDcrMiner64.exe -epool us-east.ethash-hub.miningpoolhub.com:20535 -ewal arkalab.eth01 -eworker arkalab.eth01 -epsw x -esm 2 -mode 1 -platform 2 -cclock -200,-200,-200,-200,-200,-200 -mclock +650,+650,+650,+600,+600,+600 -powlim -30,-30,-30,-30,-30,-30 -tt -70,-70,-70,-70,-80,-85
pause
05:32:29:039 3d8 ETH: 05/13/18-05:32:29 - New job from us-east.ethash-hub.miningpoolhub.com:20535
05:32:29:041 3d8 target: 0x00000000ffb34c02 (diff: 4300MH), epoch 186(2.45GB)
05:32:29:043 3d8 ETH - Total Speed: 214.160 Mh/s, Total Shares: 6, Rejected: 0, Time: 00:02
05:32:29:045 3d8 ETH: GPU0 32.990 Mh/s, GPU1 33.097 Mh/s, GPU2 33.111 Mh/s, GPU3 31.570 Mh/s, GPU4 51.967 Mh/s, GPU5 31.426 Mh/s
05:32:29:473 212c checked ETH share on CPU, spent 5ms
05:32:29:475 212c sent: {"id": 12, "method": "mining.submit", "params": ["arkalab.eth01","e00e","0x855cbfac0099e783","0x8aa4b6811007cfcbcc6f3dce84fc9d2b67defc1c42c7a265a2be7f69ccc39de8","0x8ed1fe8e7a45e7cc250afd976c2b9ecb246f627904589cd8b1fd46920f7099ac"]}
05:32:29:477 212c ETH: put share nonce 855cbfac0099e783
05:32:29:481 3d8 ETH: 05/13/18-05:32:29 - SHARE FOUND - (GPU 2)
05:32:29:721 3d8 buf: {"id":12,"result":true,"error":null}
05:32:29:722 3d8 ETH: Share accepted (250 ms)!
05:32:42:908 e7c GPU 5, GpuMiner cu_k1 failed 4, unspecified launch failure
05:32:42:913 e7c GPU 5, GpuMiner kx failed 1
05:32:42:915 e7c Set global fail flag, failed GPU5
05:32:42:917 e7c GPU 5 failed
05:32:42:919 252c GPU 5, GpuMiner cu_k1 failed 4, unspecified launch failure
05:32:42:925 252c GPU 5, GpuMiner kx failed 1
05:32:42:928 19c0 GPU 0, GpuMiner cu_k1 failed 4, unspecified launch failure
05:32:42:930 212c GPU 2, GpuMiner cu_k1 failed 4, unspecified launch failure
05:32:42:927 252c Set global fail flag, failed GPU5
05:32:42:937 252c GPU 5 failed
05:32:42:941 212c GPU 2, GpuMiner kx failed 1
05:32:42:948 19c0 GPU 0, GpuMiner kx failed 1
05:32:42:947 212c Set global fail flag, failed GPU2
05:32:42:954 e8c GPU 1, GpuMiner cu_k1 failed 4, unspecified launch failure
05:32:42:952 19c0 Set global fail flag, failed GPU0
05:32:42:958 212c GPU 2 failed
05:32:42:964 1b9c GPU 2, GpuMiner cu_k1 failed 4, unspecified launch failure
05:32:42:967 e8c GPU 1, GpuMiner kx failed 1
05:32:42:970 19c0 GPU 0 failed
05:32:42:972 1f44 GPU 0, GpuMiner cu_k1 failed 4, unspecified launch failure
05:32:42:974 1b9c GPU 2, GpuMiner kx failed 1
05:32:42:976 2790 GPU 4, GpuMiner cu_k1 failed 4, unspecified launch failure
05:32:42:980 2790 GPU 4, GpuMiner kx failed 1
05:32:42:985 2790 Set global fail flag, failed GPU4
05:32:42:988 2790 GPU 4 failed
05:32:42:976 1b9c Set global fail flag, failed GPU2
05:32:42:979 3d8 sent: {"id":6,"worker":"arkalab.eth01","jsonrpc":"2.0","method":"eth_submitHashrate","params":["0x6f5f8bc", "0x0000000000000000000000000000000000000000000000000000000016477d18"]}
05:32:42:970 e8c Set global fail flag, failed GPU1
05:32:42:995 e8c GPU 1 failed
05:32:42:999 2494 GPU 3, GpuMiner cu_k1 failed 4, unspecified launch failure
05:32:43:002 2328 GPU 4, GpuMiner cu_k1 failed 4, unspecified launch failure
05:32:43:008 1b9c GPU 2 failed
05:32:43:014 1f44 GPU 0, GpuMiner kx failed 1
05:32:43:020 1f44 Set global fail flag, failed GPU0
05:32:43:029 1f44 GPU 0 failed
05:32:43:032 2328 GPU 4, GpuMiner kx failed 1
05:32:43:039 2b4 GPU 1, GpuMiner cu_k1 failed 4, unspecified launch failure
05:32:43:041 2494 GPU 3, GpuMiner kx failed 1
05:32:43:038 2328 Set global fail flag, failed GPU4
05:32:43:047 2328 GPU 4 failed
05:32:43:044 2494 Set global fail flag, failed GPU3
05:32:43:054 2b4 GPU 1, GpuMiner kx failed 1
05:32:43:063 2494 GPU 3 failed
05:32:43:070 2588 GPU 3, GpuMiner cu_k1 failed 4, unspecified launch failure
05:32:43:062 2b4 Set global fail flag, failed GPU1
05:32:43:079 2588 GPU 3, GpuMiner kx failed 1
05:32:43:085 2b4 GPU 1 failed
05:32:43:085 2588 Set global fail flag, failed GPU3
05:32:43:089 2588 GPU 3 failed
05:32:43:221 3d8 buf: {"id":6,"result":true,"error":null}
05:32:43:934 bb0 em hbt: 0, fm hbt: 78,
05:32:43:935 bb0 watchdog - thread 0 (gpu0), hb time 1188
05:32:43:936 bb0 watchdog - thread 1 (gpu0), hb time 1063
05:32:43:938 bb0 watchdog - thread 2 (gpu1), hb time 1110
05:32:43:939 bb0 watchdog - thread 3 (gpu1), hb time 1235
05:32:43:940 bb0 watchdog - thread 4 (gpu2), hb time 1172
05:32:43:942 bb0 watchdog - thread 5 (gpu2), hb time 1047
05:32:43:943 bb0 watchdog - thread 6 (gpu3), hb time 1063
05:32:43:945 bb0 watchdog - thread 7 (gpu3), hb time 1188
05:32:43:946 bb0 watchdog - thread 8 (gpu4), hb time 1188
05:32:43:947 bb0 watchdog - thread 9 (gpu4), hb time 1047
05:32:43:949 bb0 watchdog - thread 10 (gpu5), hb time 1406
05:32:43:950 bb0 watchdog - thread 11 (gpu5), hb time 1953
05:32:43:951 bb0 WATCHDOG: GPU error, you need to restart miner :(
05:32:45:414 bb0 Restarting OK, exit...
function.The default value is 2, but i dont know what the effect if i increase or decrease the value through this -eres command line
I cherish the hope that in next releases it could be fixed. 
