varnish 2.0.4 backend errors

Lazy lazy404 at
Thu Jul 16 14:01:11 CEST 2009

2009/7/16 Lazy <lazy404 at>:
> 2009/7/16 Ken Brownfield <kb+varnish at>:
>> Yeah, this one might be one for the Varnish devs.  Only last thing I can
>> think of is that Apache is returning a response that's larger than
>> Content-Length: and Varnish is just closing the connection...
> apache didn't set Content-Length on thiese requests
> Yesterday i switched the machine to squid, and errors came back as
> httpAppendBody: Request not yet fully sent "POST in squid cache log
> Finally I realized that there are many tcp checksum errors in the dump,
> I turned off tx and rx checksum offloading and now the checksums are ok,
> there was so far no error in 25 minutes (before it was happening in about
> 15 minute intervals). Maybe the fact that local backend is bound to eth0's ip
> address made a difference. I will investigate later. Maybe it will be
> worth mentioning
> in the wiki if it's proven.
> After all it wasn't a varnish error at all.
> Thank You all for your time and expertise.

Arghh said too soon, traffic went up and there are still thiese
errors, but no so many

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