Rockbox on a USB device causes kernel panic on 7.0

[Bartosz Fabianowski]

> I think that this is related to some changes on the rsync end, 
> specifically their "New USB stack with limited capability".

The new USB stack is not enabled by default. Rockbox still reboots the 
iPod into emergency disk mode when USB is plugged in, just like it 
always did.

That said, Apple's disk mode has always been very good at panicking my 
6-STABLE machines.

- Bartosz