On Tue, Dec 16, 2014 at 10:12:18AM +0100, Stephan Alz wrote: > Hello > > I have a new Thinkpad T440p running debian with custom kernel 3.14.19. When I connect an external 2TB USB3 hdd, after 50-60Gb data written > XHCI drops the usb device (just like I would pull the plug on it) then it comes back: Any chance you can use a newer kernel like 3.18? Lots of xhci changes have happened since 3.14 was released, especially for the UAS driver which you probably are using for this disk. 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