On May 10, 2011, at 7:57 AM, Jean-Yves Moulin wrote: > Hi everybody, > > I'm trying to use an uaudio(4) device on a sheevaplug. My problem is about > full-speed device connected to high-speed hub: > > ehci0: error opening low/full speed isoc endpoint. > ehci0: a low/full speed device is attached to a USB2 hub, and transaction > translations are not yet supported. > ehci0: reattach the device to the root hub instead. > > And my computer doesn't have an ohci or uhci hub (for usb-1.1)... It has only > a ehci (usb-2) hub. > > Do you know a solution for this ? > > Or is there somebody working on transaction translator for ehci ? (this is in > a TODO list in /usr/src/sys/dev/usb/ehci.c) > > If not, I will try by myself but it seems a bit complicated :-)
Does the SheevaPlug EHCI support the embedded transaction translator function (ETTF)? If so, setting the ETTF flag might help.
