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Date:      Sun, 1 Jul 2012 07:02:03 +0700
From:      Erich Dollansky <erichfreebsdlist@ovitrap.com>
To:        Hans Petter Selasky <hselasky@c2i.net>
Cc:        freebsd-usb@freebsd.org
Subject:   Re: Device working on USB 2 but not on USB 3, best way to isolate the problem
Message-ID:  <201207010702.04213.erichfreebsdlist@ovitrap.com>
In-Reply-To: <201206301702.21156.hselasky@c2i.net>
References:  <201206301646.10922.erichfreebsdlist@ovitrap.com> <201206301702.21156.hselasky@c2i.net>

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Hi,

On Saturday, June 30, 2012 10:02:21 PM Hans Petter Selasky wrote:
> On Saturday 30 June 2012 11:46:10 Erich Dollansky wrote:
> 
> You can try to look at the Linux XHCI driver, and the port switching support 
> they have. It appears that because many old OS'es does not support USB 3.0 out 
> of the box, mainboards come with EHCI + XHCI and this requires some magic bit 
> fidling, which is not in the FreeBSD XHCI driver.

I think that this is plain device dependent. I got meanwhile one device working. I used the quirks. I wonder why they are needed for 3 but not for 2 to make the device working.

If I find the time, I will do some tests with the other devices.

Erich



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