I think this bug might be a duplicate of bug 980298, which is about nvidia 295.40 causing compiz to crash (i.e. no Unity).
And performance issues with nvidia 295.40 are being tracked in bug 982710.
I think this bug might be a duplicate of bug 980298, which is about nvidia 295.40 causing compiz to crash (i.e. no Unity).
And performance issues with nvidia 295.40 are being tracked in bug 982710.