Facebook app runs in all browsers except Chromodo (please, see the tracing...)

Hi
I have developped a facebook canvas app (runs inside facebook iframe) and it runs ain all browsers excpetion in chromod, that i ike very much…
When tracing/debuging the app call i see that in chrome at some time the file:

https://s-static.ak.facebook.com/platform/page_proxy/hv09mZVdEP8.js is loaded and the return code is 200:

Remote Address:95.100.122.127:443
Request URL:https://s-static.ak.facebook.com/platform/page_proxy/hv09mZVdEP8.js
Request Method:GET
Status Code:200 OK (from cache)

and then the app index is called and loaded…

In chromodo, the get to the
https://s-static.ak.facebook.com/platform/page_proxy/hv09mZVdEP8.js file returns:

Request URL:https://s-static.ak.facebook.com/platform/page_proxy/hv09mZVdEP8.js
Request Method:GET
Status Code:307 Internal Redirect

and then the app index.php is never called and the canvas remain blank…

Why?

Alex