On Thu, Jan 20, 2011 at 11:10:21PM +0000, Bernd Porr wrote: > Hi guys, > > I'm the maintainer of the USBDUX data acquisition device. The driver > has been more or less unchanged for the last 2 years. Is this the one in the drivers/staging/comedi/ directory? Or somewhere else? > However, with > the recent kernel versions the bulk transfers have become erratic on > one of my computers. However, other users report much stranger > behaviour such as HID keyboard/mouse stops working when plugged in > and other stuff, see below. > > Now my question is: what has changed in recent kernel versions which > might cause this quite severe problem. In earlier versions > everything worked fine. In fact for over 5 years. I don't know, we need more detailed information. > /Bernd > P.S.: the driver selects alternate setting 3 which is a certain > enpoint configuration on the FX2 cypress. This won't succeed. Seems > so that in general bulk transfers won't go through. > ------------------------------------------------------------------- > > usb 2-2: selecting invalid altsetting 3 > usbdux 2-2:1.0: comedi_: usbdux0: could not set alternate setting 3 in high > speed. Odd. Did that work before? Are you sure you have a altsetting 3 to change to? Can you post more detailed log files showing the failure? thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
