I just threw a spare R9 270X in to mine a little solo. So I installed the Windows wallet, created the config file according to available information, forwarded the port in my router to my machine. What cgminer mostly says is:
new block detected on network before long poll
Mining using a pool is no problem at all, less than 2% stale and rejects in total so I assume it's some kind of communication issue of my local wallet with the rest of the network. My config file looks like this:
rpcuser=user*
rpcpassword=pass*
rpcallowip=localhost
rpcport=3136
daemon=1
server=1
listen=1
addnode=206.72.206.148
addnode=88.191.185.113
*data changed for obvious reasons
Thanks in advance for any hint to solve this... And, yes, this is just for fun solo-mining - I would really like to solve it and not use a pool.