netdev - Re: TCP stalls in current git, possibly splice related

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Message-Id: <1184793857.8125.23.camel@johannes.berg>
Date:	Wed, 18 Jul 2007 23:24:17 +0200
From:	Johannes Berg <johannes@...solutions.net>
To:	Jens Axboe <jens.axboe@...cle.com>
Cc:	James Morris <jmorris@...ei.org>,
	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: TCP stalls in current git, possibly splice related

On Wed, 2007-07-18 at 12:58 +0200, Johannes Berg wrote:

> Yeah, I only need to try to remember when I last *didn't* see the
> problem, and hope that my analysis about it being on the receiver side
> is correct :)

Hm. I went back to 2.6.20 on the receiver side and still saw it. Maybe I
need to go back further?

With strace (the synergyc process) and tcpdump (on the interface) I
continually see packets coming in but the read sometimes pauses for 8
seconds... Not sure why. Very weird, but right now I don't have enough
time for investigating.

johannes

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