Re: USB 3.0 Hub Downgrading to 2.0 Speeds Automatically

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On Fri, Feb 11, 2011 at 02:36:17PM -0800, Sarah Sharp wrote:
> On Wed, Feb 02, 2011 at 03:26:14PM -0800, Greg KH wrote:
> > On Wed, Feb 02, 2011 at 03:16:44PM -0800, Joshua Scoggins wrote:
> > > >> You did?  From where?  What specific model is this?  I didn't think that
> > > >> USB 3.0 hubs were on the market just yet (yes, I have one I found in
> > > >> Japan, but it doesn't really work all that well...)
> > > 
> > > Oh didn't see this part. This is where I got it. It runs a VIA chipset it seems
> > > 
> > > http://www.monoprice.com/products/product.asp?c_id=103&cp_id=10307&cs_id=1030702&p_id=6976&seq=1&format=2
> > 
> > Interesting, I hadn't seen this one before.
> > 
> > Let us know how 2.6.38-rc3 works for you, there have been a number of
> > xhci patches in that release that should help with hubs.
> 
> Greg, the USB 3.0 hub patches didn't make it into 2.6.38.  The hub
> enumeration process should just fail because the USB core doesn't know
> to ask for the new USB 3.0 hub descriptor.  I'm still working out the
> architecture of the USB 3.0 hub/split roothub patches with Alan Stern
> (although I haven't had time recently to do a rev of the patches based
> on his last suggestions).

Ah, sorry about that, for some reason I thought I had accepted them, oh
well.

thanks for letting us know.

greg k-h
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