netdev - RE: [Lksctp-developers] Fw: Intermittent SCTP multihoming breakage

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Message-ID: <E096369D937D3A4DB271B382850C5C5F44E22D@pysmail.eicon.com>
Date:	Mon, 5 Feb 2007 09:13:09 -0500
From:	"Steve Hill" <steve.hill@...logic.com>
To:	"Vlad Yasevich" <vladislav.yasevich@...com>
Cc:	"Sridhar Samudrala" <sri@...ibm.com>, <netdev@...r.kernel.org>,
	<lksctp-developers@...ts.sourceforge.net>
Subject: RE: [Lksctp-developers] Fw: Intermittent SCTP multihoming breakage

Vlad Yasevich wrote on 25 January 2007 16:33:

> Can you try the attached patch and let me know if the problem is
> fixed.  You can try reducing rto_max or path_max_retrans to get the
> failover to happen a little faster. 

Sorry for the delay - I've been on vacation for the past week.

I've tried applying the patch.  However, the failure still seems to
happen in the original test system with a patched kernel.  A look at the
network traffic shows that the receiving side is still returning a
gap-ack, the chunks in the gap are never resent and I don't see a
FORWARD TSN for them.

 - Steve Hill
   Software Engineer
   Dialogic
   Fordingbridge, Hampshire, UK
   +44-1425-651392
   steve.hill@...logic.com
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