Trying to find the best miner; getting errors when using cgminer instead of bfg

[Sharky444]

Hey,

I'm fairly new to bitcoin mining and try to find the best mining software (Windows) for my Radeon 7970.

I've tried bfgminer for some days, and it works fine, but I get only about 560KH at 1100 MHz.

Now I want to try cgminer. Installed it, took an example config from the web (which is quite similar to bfgminer, it looks like both are forks from the same source) and started mining.

I received a lof of messages like this:

 [2013-04-14 03:12:02] Rejected 996a5b88 Diff 315/64 GPU 0 pool 0 (Share is above target)
 [2013-04-14 03:12:05] Rejected 8f4f190a Diff 190/64 GPU 0 pool 0 (Share is above target)

Would please anyone help me fixing that.

I can set the difficult of my worker from 1 to 256.

If I set it to 256 (instead of 64) I do still receive rejected messages with Diff above 256,
and additionally a lof of stratum restart request messages.

Thanks for ANY help in advance!

[mjc]

Are you solo mining or Pool mining?

[Sharky444]

pool minin on https://mining.bitcoin.cz/

[loopdaddy]

i get this too when poolmining at Hashcow