[quote=113105]It is a driver issue with the retrousb adapters, I have the same issue.  A change was made to the kernel that messed up the drivers a while back.  I have mostly solved it by rolling back the kernel to a previous version that worked with the adapters.
sudo rpi-update 4e2845e0cbe7e701f0431e66a26f730de264e7a6
enter the above through putty or terminal and it will take care of the problem for the most part.  If I ssh into my pi and then return to playing games it will still scroll sometimes but a full power off corrects it.  Only work around I have found.  The problem does not happen with the iBuffalo controllers.
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Thanks, I’ll check it out.  If I can’t get it working right I’ll just invest in a ControlBlock.