On Wed, 2014-09-10 at 07:04 +0000, Kasberger Andreas wrote: > So I am back with more tests on this problem. > Intel itself told us it is a problem on the driver for the XHCI host controller. I will put some stuff here now what I goo from Intel: > > Let me explain why I came back to you with this problem. > We have already tried the same thing with an "echo device" from Ellisys to see if the problem came from our board. > And we got also with this very simple device (just echoing) the same problem. > XHCI host controller do not respond anymore > > So it has nothing to do with our board and it is a bug exisiting on the current Linux kernel > > Here some short mail traiffic between Intel and our company. I removed the helpless parts Your trace hasn't made it through the list. Anyway, have you tried following Sarah's suggestion and tried without LPM? Regards Oliver -- 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