InfoPath Dev

If I create a brand new topsite and configure a brand new forms library then yes it works. But if I even just try to create another subsite under the current topsite I get the same symptoms. I also tried rebuilding the form from scratch again, leaving the form very basic and just a single view (the original has 6 views), but again Sharepoint ...

Recently Sharepoint was upgraded from 2007 to 2010. All of my forms worked flawlessly before the upgrade, but now when I try to update one of the forms or create a new form the values are being created in the xml dataset, but the values are not showing up in the sharepoint columns. The columns that have the property promotion are Time, Date, ...