A fix has been released for 14.04 5 days ago as per the following post:
https://bugs.launchpad.net/ubuntu/+source/usbredir/+bug/1126513/comments/15
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https://bugs.launchpad.net/bugs/1126390
Just to add to this, I installed without issue last night on an
NP530U3C-A04UK in the following manner:
* Booted first time into Windows, found that Fastboot was already disabled (new
Ultrabook in sealed box) and disabled Intel Smart Response (the SSD caching).
* Updated the BIOS immediately to P
Well, for the time being I've switched from Unity to Unity 2D (metacity)
and I'm no longer having the issue at all. Whenever I've seen the
problem compiz has been the only process hitting 100% when the screen is
off. When the machine is left in this state for some time I sometimes
end up finding
