4 cards, AMD drivers from april 3 19 something

My miners hangs and restart computer after yous a cuople of minutesm mining. Down is the last lanes of the log cant figure it out? can somebody give me hand please...



16:16:25:101   118c   ETH - Total Speed: 114.579 Mh/s, Total Shares: 9, Rejected: 0, Time: 00:03
16:16:25:101   118c   ETH: GPU0 28.889 Mh/s, GPU1 27.704 Mh/s, GPU2 31.089 Mh/s, GPU3 26.898 Mh/s
16:16:25:882   6d4   GPU 0 temp = 74, old fan speed = 34, new fan speed = 80

16:16:25:886   6d4   GPU 1 temp = 80, old fan speed = 46, new fan speed = 80

16:16:25:890   6d4   GPU 2 temp = 73, old fan speed = 40, new fan speed = 80

16:16:25:895   6d4   GPU 3 temp = 80, old fan speed = 44, new fan speed = 80

16:16:26:466   118c   buf: {"id":0,"jsonrpc":"2.0","result":["0x988ee19e667cd52b28e719a17f7581e616e509a29e9dc3617382628e9a0634a0","0x5cbbbaf16186360dfe0f34a286869b77ec51862864f266bc88e6150a00a57cb2","0x0000000112e0be826d694b2e62d01511f12a6061fbaec8bc02357593e70e52ba","0x737e50"]}

16:16:26:467   118c   ETH: 04/14/19-16:16:26 - New job from us1.ethermine.org:5555
16:16:26:468   118c   target: 0x0000000112e0be82 (diff: 4000MH), epoch 252(2.97GB)
16:16:26:469   118c   ETH - Total Speed: 114.604 Mh/s, Total Shares: 9, Rejected: 0, Time: 00:03
16:16:26:470   118c   ETH: GPU0 28.911 Mh/s, GPU1 27.708 Mh/s, GPU2 31.074 Mh/s, GPU3 26.911 Mh/s
16:16:26:509   118c   buf: {"id":0,"jsonrpc":"2.0","result":["0xf1645ac530886a05e24866ab35494e2ad1a1cc5a6d95e071960b8f534e3b3831","0x5cbbbaf16186360dfe0f34a286869b77ec51862864f266bc88e6150a00a57cb2","0x0000000112e0be826d694b2e62d01511f12a6061fbaec8bc02357593e70e52ba","0x737e50"]}

16:16:26:509   118c   ETH: 04/14/19-16:16:26 - New job from us1.ethermine.org:5555
16:16:26:510   118c   target: 0x0000000112e0be82 (diff: 4000MH), epoch 252(2.97GB)
16:16:26:511   118c   ETH - Total Speed: 114.604 Mh/s, Total Shares: 9, Rejected: 0, Time: 00:03
16:16:26:512   118c   ETH: GPU0 28.911 Mh/s, GPU1 27.708 Mh/s, GPU2 31.074 Mh/s, GPU3 26.911 Mh/s
16:16:28:899   6d4   GPU 0 temp = 75, old fan speed = 33, new fan speed = 80

16:16:28:904   6d4   GPU 1 temp = 80, old fan speed = 47, new fan speed = 80

16:16:28:908   6d4   GPU 2 temp = 73, old fan speed = 40, new fan speed = 80

16:16:28:912   6d4   GPU 3 temp = 80, old fan speed = 45, new fan speed = 80

16:16:30:492   118c   buf: {"id":0,"jsonrpc":"2.0","result":["0xbe5c60b0beba91936d202873f7366547f25b22f8bc929f720e8e253441409f74","0x5cbbbaf16186360dfe0f34a286869b77ec51862864f266bc88e6150a00a57cb2","0x0000000112e0be826d694b2e62d01511f12a6061fbaec8bc02357593e70e52ba","0x737e50"]}

16:16:30:493   118c   ETH: 04/14/19-16:16:30 - New job from us1.ethermine.org:5555
16:16:30:494   118c   target: 0x0000000112e0be82 (diff: 4000MH), epoch 252(2.97GB)
16:16:30:495   118c   ETH - Total Speed: 114.594 Mh/s, Total Shares: 9, Rejected: 0, Time: 00:03
16:16:30:496   118c   ETH: GPU0 28.905 Mh/s, GPU1 27.690 Mh/s, GPU2 31.095 Mh/s, GPU3 26.903 Mh/s
16:16:31:917   6d4   GPU 0 temp = 75, old fan speed = 33, new fan speed = 80

16:16:31:921   6d4   GPU 1 temp = 81, old fan speed = 48, new fan speed = 80

16:16:31:925   6d4   GPU 2 temp = 73, old fan speed = 40, new fan speed = 80

16:16:31:929   6d4   GPU 3 temp = 80, old fan speed = 45, new fan speed = 80