Anyone with an idea? Have been running the setgenerate true since yesterday evening 10 pm. Until now there was no block mined, is this normal?

"blocks": 6391,
  "currentblocksize": 1000,
  "currentblocktx": 0,
  "difficulty": 10.94054192232373,
  "errors": "This is a pre-release test build - use at your own risk - do not use for staking or merchant applications!",
  "genproclimit": 8,
  "networkhashps": 764870765,
  "pooledtx": 3,
  "testnet": false,
  "chain": "main",
  "generate": true,
  "hashespersec": 1349818
}