anyone mine ppc?  I am trying to mined ppc get alot of errors

speed:5272 noncerate[GH/s]:109.293 (1.138/chip) hashrate[GH/s]:29.563 good:7634 errors:3164 spi-errors:0 miso-errors:34 jobs:57 (record[GH/s]:0.000)
0:   878   17.194   4.947   1201   648   0   7
1:   878   18.898   4.957   1320   521   0   11
2:   877   19.370   5.052   1353   502   0   5
3:   878   17.495   4.883   1222   530   0   5
4:   880   19.127   5.031   1336   476   0   3
5:   881   17.209   4.693   1202   487   0   3

work fined for btc.