At work we have a Silverlight application which is served from one subdomain, and pulled into another subdomain where it’s expected to load into the clients browser and work from there. Once upon a time it worked flawlessly. Then we changed a stack of things all at once, and it ceased working across our subdomains.
After several hours of tweaking and changing and trying to force some sort of debug output, and wondering why it was completely failing to even throw any exceptions at the dread white screen of death, and thinking it was “something cross domain security” related, I stumbled on this post:
My problem, it was solved! Figures, running linux servers, and apache wasn’t configured with the correct mimetype. The nightmare is over.