On Wed, 2 Jan 2013, Udo van den Heuvel wrote: > > In the end, this comes down to two possibilities. Either the OHCI > > controller is malfunctioning > > Seen on two mainboards. This one is quite new. > > > or else some other piece of > > hardware/software is. > > Can it be the webcam? > I can interchange it with another one of same type. If it's a USB webcam then it can't created unwanted IRQs. But you certainly should try removing it to see if that makes any difference. > > I suppose you could try unplugging all your low-speed and full-speed > > devices from the OHCI controller. (Get a high-speed hub and plug them > > into it instead.) Then the controller hardware should be totally > > quiescent. If the unwanted IRQs still occur then it seems likely that > > the controller is not the cause -- although this isn't an airtight > > proof. > > I'll see if I can find a hub. Or else leave those devices unplugged entirely -- use a network login instead of the USB keyboard and mouse. Alan Stern -- 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
