On Fri, Jul 13, 2012 at 7:08 AM, Dave Camarillo
<dave.camari...@gmail.com> wrote:
> Hello, I was wondering what kinds testing has been done on Mac's with USB 3.0?
>
> I happened to get a hold of a new mac with USB 3.0 and tried out our
> software on it, which has been working well on many other machines of
> a few years, and I end up getting LIBUSB_ERROR_OTHER errors when
> trying to do control transfers to our device(s).
>
> I was wondering what testing or experiences people have had with this?
> Is it expected to work? known to break?
>

This is an old thread but today I saw an Apple USB Mailing list post
which points to bugs in Apple's USB 3.0 stack.

http://lists.apple.com/archives/usb/2012/Sep/msg00009.html
MBP USB 3.0 controller rejects vendor control request
with an error of kIOReturnInternalError.

-- 
Xiaofan

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