On Wed, Jun 15, 2016 at 11:45:36AM +0530, shishir tiwari wrote: > Hi Greg, > > What kernel version is this? > >>>kernel - 3..4.14 ported on ARM custom board. Ouch that is old and obsolete, can you please try 4.6 and see if the same error happens there? Lots and lots of xhci and other kernel changes have happened in the many years since 3.4 was released. Not much we can do about such an old kernel here, sorry. 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