What USB hubs are you using with the Raspberry Pi to plug so many USB block erupters or any other ASIC miner?
I tried the Anker 3.0 USB - 10 port what looks awesome, fits perfect & are good quality but nobody ever got them running with the Raspberry and Minepeon - the internet & this board is full of it. This hubs are working pretty on Ubuntu but not with minepeon -> it crashes with errors after booting and restart.
The only working hub I have is the D-Lin 7 Port (stacking the hubs plus add a 120mm fan) but as this has 2 permanent USB ports for loading so it`s again not perfect as only 5 could be used for the USB block erupters or any other bigger farm on USB.
actually it's not minepeon, but the RPi that can't handle USB 3.0 hubs, but please correct me if I'm wrong and this information is outdated.
I also use the D-Link DUB-H7 Hubs with 3A power supplies, they can handle 6 USB miners but the PSU get really hot then. I would not run them with more than 5 on 1. The bottom two ports of the DUB-H7 are standard USB Ports, not just power ports. When you switch off the computer the hub is connected to, the hub itself will increase the power on those two ports to 1.2 Ampere for faster charging of your phone. But while the hub is connected, it's a standard 5V 0.5A USB port that works fine with the USB Miner.