You just getting a white page or are you getting lots of warning and errors
Eg. Lines of text all over the page because that is what im looking for
If you are getting lots of errors on the page then screenshot the page please
Downgrading asuming you are using Deb Wheezy
http://blog.wpkg.org/2013/06/20/down...an-wheezy-7-0/
Be careful..