Comment 5 for bug 1296066

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RĂ©mi D (bout-de-rim) wrote :

I also have this bug.

Same laptop (Lenovo thinkpad X1 carbon gen2).
Ubuntu 14.04, fresh install (today).

This blog post talk about the same bug : http://www.adventuresinoss.com/?p=3698 .
It identifies the origin as "xhci_hcd".

One solution is to deactivate the USB3 in the BIOS.