Mining doesn't work even after unlocking wallet, no cpu usage not with ui or even setting setgenerate true 4 does nothing
If you are using Linux
make sure you have gen=1 in your NoirShares.conf file. It defaults to gen=0 (mining off)
I'm having problems syncing again though. I see plenty of this in my debug.log
InvalidChainFound: invalid block=00af670a27e730bd4e91 height=1075 trust=40886 date=09/21/14 05:54:46
InvalidChainFound: current best=00a216b4c994cc0d50b8 height=81 trust=411 date=09/18/14 16:05:30
ERROR: SetBestChain() : Reorganize failed
ERROR: AcceptBlock() : AddToBlockIndex failed
ERROR: ProcessBlock() : AcceptBlock FAILED
This basically means the Linux client is broken. It can't follow the longest chain. The alpha code isn't working properly.