writev function not implemented

[Rangel, Raul]

Hello,
I have compiled nginx on ubuntu 12.04 but I'm seeing a really strange error when I try and POST a file through nginx. I get a line in my logs that says:

2013/08/02 17:01:11 [crit] 26#0: *7 writev() "/var/lib/nginx/client_body_temp/0000000001" failed (38: Function not implemented), client: 172.16.42.1, server: , request: "POST /tenants/cwstest/stunts/51fbe5d696bb27002d000001/uploads/51fbe5d796bb27002d000002/encrypt HTTP/1.1", host: "localhost:49172"

I then get a 500 error.

I have put together a gist with all the relevant information: https://gist.github.com/ismell/6156617

If anyone could provide some assistance that would be great.

Thanks,
Raul
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