Bharat Rajagopalan wrote: > I have an old Novation X-Station 25 ... > It just refuses to work in duplex mode. This is a known bug in the EHCI driver. If your chipset also has OHCI ("Open") or UHCI ("Universal") controllers, try connecting the device directly to the PC without a hub. There's a recent patch that works around the most common instances of this bug; it's likely to help you: http://marc.info/?l=linux-usb&m=131973404328622 Regards, Clemens ------------------------------------------------------------------------------ RSA® Conference 2012 Save $700 by Nov 18 Register now http://p.sf.net/sfu/rsa-sfdev2dev1 _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user