From: kuznet@ms2.inr.ac.ru
To: rmk@arm.linux.ORG.UK (Russell King)
Cc: linux-kernel@vger.kernel.org
Subject: Re: rsync over ssh on 2.4.2 to 2.2.18
Date: Tue, 27 Feb 2001 23:35:12 +0300 (MSK) [thread overview]
Message-ID: <200102272035.XAA21341@ms2.inr.ac.ru> (raw)
In-Reply-To: <200102271002.f1RA2B408058@brick.arm.linux.org.uk> from "Russell King" at Feb 27, 1 01:15:01 pm
Hello!
> netstat on isdn-gw shows the following:
>
> Proto Recv-Q Send-Q Local Address Foreign Address State
> tcp 72868 0 isdn-gw.piltdown.a:1023 pilt-gw.piltdown.at:ssh ESTABLISHED
plus
> select(4, [3], [3], NULL, NULL) = 2 (in [3], out [3])
> Maybe there is a race condition or missing wakeup in the TCP code?
Moreover, even not _one_ wakeup is missing. At least two, because
wakeups in read and write are separate and you have stuck in both directions.
8)8)
Well, if it was one I would start to dig ground inside tcp instantly.
But as soon as two of them are missing, I have to suspect wake_up itself.
At least, we had such bugs there until 2.4.0.
Alexey
next prev parent reply other threads:[~2001-02-27 20:35 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-02-27 10:02 Russell King
2001-02-27 10:18 ` Rasmus Andersen
2001-02-27 10:58 ` bert hubert
2001-02-27 10:49 ` David S. Miller
2001-02-27 19:46 ` Russell King
2001-02-27 13:18 ` Anton Blanchard
2001-02-27 16:48 ` Russell King
2001-02-27 20:35 ` kuznet [this message]
2001-02-27 20:43 ` Russell King
2001-02-28 20:27 ` kuznet
2001-02-27 23:01 ` Eugene Crosser
2001-02-28 20:20 ` kuznet
2001-03-19 7:37 ` Russell King
2001-03-19 18:56 ` kuznet
2001-03-21 21:54 ` Rusty Russell
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