Getting truncated responses for big attachments in Redmine, served by Nginx + Passenger.
Error log says like following:
[ pid=11234 thr=3070954384 file=ext/nginx/HelperAgent.cpp:568 time=2010-11-23 16:05:29.414 ]: Couldn't forward the HTTP response back to the HTTP client: It seems the user clicked on the 'Stop' button in his browser.