1.4.1 SPDY error FIXME: chain too big in spdy filter

Valentin V. Bartenev vbart at nginx.com
Wed May 29 13:26:00 UTC 2013

On Wednesday 29 May 2013 09:03:41 Mike wrote:
> 2013/05/29 00:22:53 [alert] 25981#0: *8781732 FIXME: chain too big in spdy
> filter: 25516336 while sending to client, client: x.x.x.x, server: x.y.z,
> request: "GET /attachments/113914 HTTP/1.1", upstream:
> "fastcgi://", host: "x.y.z", referrer: "a.b.c"
> Some help?

You have configured too big buffers, that currently cannot be handled in
spdy module. So, you should either decrease the amount of buffers involved
in request processing, or disable spdy.

It's hard to tell what buffers you have to tune without knowing of your 
configuration, but from the error message I assume that "fastcgi_buffers".

With the default configuration it works well.

  wbr, Valentin V. Bartenev


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