James Stone wrote:
> I am struggling to get usable realtime performance <512 latency on my
> Ubuntu Studio "low latency" kernels 3.8... The 3.5 kernel in contrast works
> fine. I put a bugreport in with Ubuntu, but it seems like no-one else is
> reporting the same problem. Makes me wonder if I am doing something wrong.
> Is there anything additional I should be trying, or is this a known problem
> that is being worked on by the kernel devs?

You have to wait for the next stable kernel:
<http://git.kernel.org/linus/e194401783>