Looks similar to Bug #54273, in that bug rmmod ehci_hcd seems to fix the issues or at least work around it. Linux USB FAQ lists some of the reasons why you are seeing this issue.
http://www.linux-usb.org/FAQ.html#ts6
Looks similar to Bug #54273, in that bug rmmod ehci_hcd seems to fix the issues or at least work around it. Linux USB FAQ lists some of the reasons why you are seeing this issue.
http:// www.linux- usb.org/ FAQ.html# ts6