linux-kernel - Re: TCP connection issues against Amazon S3

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Message-ID: <1420740936.5947.70.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Thu, 08 Jan 2015 10:15:36 -0800
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Erik Grinaker <erik@...gler.no>
Cc:	Yuchung Cheng <ycheng@...gle.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	netdev <netdev@...r.kernel.org>
Subject: Re: TCP connection issues against Amazon S3

On Thu, 2015-01-08 at 17:47 +0000, Erik Grinaker wrote:

> FWIW, I've done a bisection, and it’s triggered by this change:
> 
> https://github.com/torvalds/linux/commit/4e4f1fc226816905c937f9b29dabe351075dfe0f


This totally makes sense, thanks for doing the bisection !

> 
> > We are not going to stick TCP stack to 20th century and buggy peers or
> > middleboxes, sorry.
> 
> That’s fair enough.

Strange thing is that sender does not misbehave at the beginning when
receiver window is still small. Only after a while.

It would be nice to know more details about sender OS/version.

Thanks.


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