Re-installing the drivers seems the solved the problem for me.
Thanks for the info
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https://bugs.launchpad.net/bugs/1268257
Title:
nvidia-331-updates 331.38-0ubuntu3: nvidia-331-updates
Public bug reported:
Happens during boot
ProblemType: Package
DistroRelease: Ubuntu 14.10
Package: nvidia-331-updates-uvm 331.113-0ubuntu0.1
ProcVersionSignature: Ubuntu 3.16.0-29.39-generic 3.16.7-ckt2
Uname: Linux 3.16.0-29-generic i686
NonfreeKernelModules: nvidia
ApportVersion: 2.14.7-0ubuntu