The QtMobility Map element freezes the UI after multiple map tile requests

When the QtMobility Map element is stressed with multiple map tile requests, the UI of the application freezes. This happens with Nokia 700 and Nokia 701 devices. On C7 (Anna or Belle), there is no problem.

Problem can be reproduced with the attached test software. Pan the map as fast as you can and after 10-20 sequential pans, the Ui begins to freeze. It may be take 1-20+ seconds until the UI is responsive again. The rotating rectangle helps to indicate the freezing. There will be following debug lines on the Qt Creator Application output window when the bug occurs:

-PIPS- BACKEND [OPENCADDRESSLOG] Family: AF_INET