Controlling Arithabort In Ef4

We are having some performance issues with our EF4 MVC solution. We've been able to track it down to ArithAbort getting set to off before all connections to the database, and now w

Solution 1:

EF provides the ability to insert a Wrapping Provider between Entity Connection and SQL.Data.Client - see http://code.msdn.microsoft.com/EFProviderWrappers and http://blogs.msdn.com/b/jkowalski/archive/2009/06/11/tracing-and-caching-in-entity-framework-available-on-msdn-code-gallery.aspx

Now I admit this is more of a clue than an answer - but perhaps you can insert the relevant set at this point ?