I spent the last 24hrs mining at
http://chn.mnlan.net/and
http://chn.ub3rl33t.com/I am showing 0 coins and 2 coins respectively while having 2.2 Mhash/s rate. Never had so much trouble with any other pool. If the owners are lurking please review my account - dirtriderdan
I am not wasting any more time mining at either of the above until they get this fixed.
Tried both of those as well, and had a similar kind of unexpectedly low earnings. I had the owner of MNLan look at his database, and he claimed a ~75% logged stale rate (where CGMiner had reported much less, around 15%, but the earnings were more akin to his figure.)
So I'm basically playing around with stale rate reduction atm - currently trying to lower expiry to half/quarter of the default 120, should allegedly reduce stales..
since e opened the pool and besides the downtimes it's been great. I'm at 10M/H and earned 1,000 over last night.