I am getting
UNCONFIRMED SHARES
50308
shares with no blocks found
as well, I guess its because of beta?
Is this what you are seeing on the miner or the website?
Also I use BAMT for mining GPU mining rig's. I have 7970's and get about 2Mh each - I use 1051Mhz/1500Mhz and found that to be best for these cards, granted I'm sure you could tweak it more...
I'm not seeing any issues or rejects -
GPU 0: 2.1 / 1.8 Mh/s | A:1488 R:2 HW:0 U:0.95/m I:13 xI:0 rI:0
73.0 C F: 84% (3242 RPM) E: 1051 MHz M: 1500 Mhz V: 1.175V A: 99% P: 0%
Last initialised: [2014-06-26 14:51:21]
Thread 0: 1.0 Mh/s Enabled ALIVE
Thread 1: 1.0 Mh/s Enabled ALIVE
GPU 1: 2.1 / 1.8 Mh/s | A:1447 R:4 HW:0 U:0.93/m I:13 xI:0 rI:0
73.0 C F: 68% (2654 RPM) E: 1051 MHz M: 1500 Mhz V: 1.175V A: 99% P: 0%
Last initialised: [2014-06-26 14:51:21]
Thread 2: 1.0 Mh/s Enabled ALIVE
Thread 3: 1.0 Mh/s Enabled ALIVE
GPU 2: 2.1 / 1.8 Mh/s | A:1518 R:1 HW:0 U:0.97/m I:13 xI:0 rI:0
73.0 C F: 77% (2907 RPM) E: 1051 MHz M: 1500 Mhz V: 1.175V A: 99% P: 0%
Last initialised: [2014-06-26 14:51:21]
Thread 4: 1.0 Mh/s Enabled ALIVE
Thread 5: 1.0 Mh/s Enabled ALIVE
GPU 3: 2.1 / 1.8 Mh/s | A:1445 R:3 HW:0 U:0.93/m I:13 xI:0 rI:0
67.0 C F: 50% (2026 RPM) E: 1051 MHz M: 1500 Mhz V: 1.175V A: 99% P: 0%
Last initialised: [2014-06-26 14:51:21]
Thread 6: 1.0 Mh/s Enabled ALIVE
Thread 7: 1.0 Mh/s Enabled ALIVE