> Everything is working fine, except that OpenUpload is supposed to
> display progress information during upload of a file using APC.
> It does not on my config :-(

Does the upload progress module have anything to do with it?
http://wiki.nginx.org/NginxHttpUploadProgressModule

> According to Alessandro Briosi, OpenUpload developer, the problem might
> come from nginx not passing some information to php.

It does so through FastCGI, have you checked your parameters?

HTH,
Nuno Magalhães

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