On Wed, Jun 27, 2012 at 7:09 AM, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > > Aha! Yes, that whole stamp thing was removed in the 3.1 kernel by > commit 004c19682884d4f4 (USB: EHCI: go back to using the system clock > for QH unlinks). > > You could upgrade your kernel or back-port that commit to the kernel > you're using. It should fix the problem. Hi Alan, Thanks for your help. I have verified that back-porting that commit or switching to a 3.2 kernel fixes the problem. Austin Schuh -- 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