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From: Jens Axboe <jens.axboe@oracle.com>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: James Morris <jmorris@namei.org>,
	"David S. Miller" <davem@davemloft.net>,
	netdev@vger.kernel.org
Subject: Re: TCP stalls in current git, possibly splice related
Date: Mon, 16 Jul 2007 14:02:47 +0200	[thread overview]
Message-ID: <20070716120247.GG5195@kernel.dk> (raw)
In-Reply-To: <1184575545.15112.0.camel@johannes.berg>

On Mon, Jul 16 2007, Johannes Berg wrote:
> On Fri, 2007-07-13 at 13:05 +0200, Jens Axboe wrote:
> > On Fri, Jul 13 2007, Johannes Berg wrote:
> > > On Thu, 2007-07-12 at 16:12 -0400, James Morris wrote:
> > > > I'm seeing TCP connection stalls with current git, and a bisect found the 
> > > > following as a possible cause:
> > > 
> > > I'm also seeing stalls with synergy.
> > 
> > Please try the below.
> 
> I usually see stalls sending data from machine A to machine B. I just
> upgraded machine B to commit 8d9107e8c50e1c4ff43c91c8841805833f3ecfb9
> (Fri Jul 13 16:53:18 2007 -0700) and the tree includes this patch. This
> did not, however, fix the problem so I guess the problem is on the
> sender side. Due to wireless-dev lagging behind I there still have
> 2.6.22-something where this patch doesn't apply. I hope John will merge
> again soon and then I'll report back whether I still see the stalling
> behaviour with a current tree that includes this patch.

Yep, it's a sender thing, so upgrading the receiver will not change
anything.

-- 
Jens Axboe


  reply	other threads:[~2007-07-16 12:03 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-07-12 20:12 TCP stalls in current git, possibly splice related James Morris
2007-07-12 20:52 ` David Miller
2007-07-13  2:26   ` James Morris
2007-07-13  5:36     ` Jens Axboe
2007-07-13  6:26       ` Jens Axboe
2007-07-13  9:25         ` Jens Axboe
2007-07-13 10:02 ` Johannes Berg
2007-07-13 11:05   ` Jens Axboe
2007-07-13 12:23     ` James Morris
2007-07-13 21:55     ` Johannes Berg
2007-07-16  8:45     ` Johannes Berg
2007-07-16 12:02       ` Jens Axboe [this message]
2007-07-17 22:36         ` Johannes Berg
2007-07-18 10:49           ` Jens Axboe
2007-07-18 10:58             ` Johannes Berg
2007-07-18 21:24               ` Johannes Berg

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