My miner 0.5.1 does not want to work. Has anyone encountered such a problem?

20180728 11:45:34 WARN: New difficulty: 12 (0.04688)
20180728 11:45:51 WARN: Cuda error unspecified launch failure, device_id=0
20180728 11:45:51 WARN: Cuda error unspecified launch failure, device_id=4
20180728 11:45:51 WARN: Cuda error unspecified launch failure, device_id=1
20180728 11:45:54 WARN: Graceful shutdown...
20180728 11:45:51 WARN: Cuda error unspecified launch failure, device_id=5
20180728 11:45:51 WARN: Cuda error unspecified launch failure, device_id=2
20180728 11:45:52 WARN: Graceful shutdown...
20180728 11:45:54 WARN: Graceful shutdown...
20180728 11:45:51 WARN: Cuda error unspecified launch failure, device_id=3
20180728 11:45:54 ApiServer: stopped listening on 0.0.0.0:4067
20180728 11:45:54 ApiServer: stopped listening on 0.0.0.0:4068