Device working on USB 2 but not on USB 3, best way to isolate the problem

[Hans Petter Selasky]

On Sunday 01 July 2012 02:02:03 Erich Dollansky wrote:
> 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

Do you want me to commit that quirk you made, or do you have more quirks?

--HPS