Can somebody explain what this means? what is causing that?


11:42:19:769   ad8   GPU0 t=81C fan=100%, GPU1 t=76C fan=43%, GPU2 t=76C fan=85%, GPU3 t=80C fan=70%, GPU4 t=56C fan=25%, GPU5 t=77C fan=47%, GPU6 t=81C fan=33%
11:42:19:769   ad8   em hbt: 0, fm hbt: 31,
11:42:19:769   ad8   watchdog - thread 0, hb time 90812
11:42:19:785   ad8   WATCHDOG: GPU 0 hangs in OpenCL call, exit
11:42:19:785   ad8   watchdog - thread 1, hb time 90953
11:42:19:785   ad8   WATCHDOG: GPU 0 hangs in OpenCL call, exit
11:42:19:800   ad8   watchdog - thread 2, hb time 91078
11:42:19:800   ad8   WATCHDOG: GPU 0 hangs in OpenCL call, exit
11:42:19:800   ad8   watchdog - thread 3, hb time 90672
11:42:19:816   ad8   WATCHDOG: GPU 0 hangs in OpenCL call, exit
11:42:19:816   ad8   watchdog - thread 4, hb time 109
11:42:19:816   ad8   watchdog - thread 5, hb time -16
11:42:19:832   ad8   watchdog - thread 6, hb time 375
11:42:19:832   ad8   watchdog - thread 7, hb time 250
11:42:19:832   ad8   watchdog - thread 8, hb time 219
11:42:19:847   ad8   watchdog - thread 9, hb time 0
11:42:19:847   ad8   watchdog - thread 10, hb time 78
11:42:19:847   ad8   watchdog - thread 11, hb time 156
11:42:19:847   ad8   watchdog - thread 12, hb time 31
11:42:19:863   ad8   watchdog - thread 13, hb time -47
11:42:19:863   ad8   watchdog - thread 14, hb time 109
11:42:19:863   ad8   watchdog - thread 15, hb time 187
11:42:19:879   ad8   watchdog - thread 16, hb time 78
11:42:19:879   ad8   watchdog - thread 17, hb time -94
11:42:19:879   ad8   watchdog - thread 18, hb time 234
11:42:19:894   ad8   watchdog - thread 19, hb time 390
11:42:19:894   ad8   watchdog - thread 20, hb time 469
11:42:19:894   ad8   watchdog - thread 21, hb time 328
11:42:19:910   ad8   watchdog - thread 22, hb time 15
11:42:19:910   ad8   watchdog - thread 23, hb time 156
11:42:19:910   ad8   watchdog - thread 24, hb time 484
11:42:19:925   ad8   watchdog - thread 25, hb time 328
11:42:19:925   ad8   watchdog - thread 26, hb time 156
11:42:19:925   ad8   watchdog - thread 27, hb time 0
11:42:19:972   ad8   OC v5, Reset control for GPU 0, close miner right now if you want to use default control from Catalyst
11:42:19:988   ad8   OC v5, Reset control for GPU 6, close miner right now if you want to use default control from Catalyst
11:42:19:988   ad8   OC v5, Reset control for GPU 12, close miner right now if you want to use default control from Catalyst
11:42:20:004   ad8   OC v5, Reset control for GPU 18, close miner right now if you want to use default control from Catalyst
11:42:20:004   ad8   OC v5, Reset control for GPU 24, close miner right now if you want to use default control from Catalyst
11:42:20:019   ad8   OC v5, Reset control for GPU 30, close miner right now if you want to use default control from Catalyst
11:42:20:019   ad8   OC v5, Reset control for GPU 36, close miner right now if you want to use default control from Catalyst
11:42:21:566   ad8   Restarting OK, exit...