On Tue, Feb 18, 2014 at 02:46:00PM +0800, Lu, Baolu wrote: > Hi list, > > Linux kernel (3.12.8) fails to setup EHCI debug port on my Sandy Bridge > server. This seems to be a normal thing as I tried on other machines and got > the same result. Do you have a EHCI debug connector to attach to it? That is required in order to be able to enable this, it's a separate device you must plug into the machine. 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