Edit: Ok, did not see the previous message (not my day..) sorry for that.
I'm also having this issue. If I check the developer toolbar I can see there' ajax calls with a json response on it:
It also seems to be a GeoIP related issue because I can't see any region under the location tab.
I'm using the GeoIP (PECL) provider.
I'm also having this issue. If I check the developer toolbar I can see there' ajax calls with a json response on it:

It also seems to be a GeoIP related issue because I can't see any region under the location tab.
I'm using the GeoIP (PECL) provider.