As mentioned here: https://www.ghielectronics.com/community/forum/topic?id=20470
I managed to get a stack trace of a thread that had hung calling the WiFiRS9110 constructor.
The constructor calls [em]UpdateInternalMacAddress [/em]which in turn calls [em]WaitOn[/em], which in turn waits on an auto reset event.
This may mean something to the GHI engineering team.
Korp.