netdev - Re: [PATCH 0/4] sctp: fix association hangs due to reassembly/ordering logic

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Message-ID: <20130227123530.GA17205@neilslaptop.think-freely.org>
Date:	Wed, 27 Feb 2013 07:35:30 -0500
From:	Neil Horman <nhorman@...driver.com>
To:	David Miller <davem@...emloft.net>
Cc:	lee.roberts@...com, netdev@...r.kernel.org, vyasevich@...il.com,
	sri@...ibm.com
Subject: Re: [PATCH 0/4] sctp: fix association hangs due to
 reassembly/ordering logic

On Tue, Feb 26, 2013 at 05:37:58PM -0500, David Miller wrote:
> From: "Lee A. Roberts" <lee.roberts@...com>
> Date: Tue, 26 Feb 2013 07:36:12 -0700
> 
> > This series of patches resolves several SCTP association hangs observed during
> > SCTP stress testing.  Observable symptoms include communications hangs with
> > data being held in the association reassembly and/or lobby (ordering) queues.
> > Close examination of reassembly/ordering queues may show either duplicated
> > or missing packets.
> > 
> > Lee A. Roberts (4):
> >   sctp: fix association hangs due to off-by-one errors in
> >     sctp_tsnmap_grow()
> >   sctp: fix association hangs due to reneging packets below the
> >     cumulative TSN ACK point
> >   sctp: fix association hangs due to errors when reneging events from
> >     the ordering queue
> >   sctp: fix association hangs due to partial delivery errors
> 
> Vlad, Sridhar, and Neil, please review.
> 
IIRC, Vlad already/still has some outstanding comments & questions regarding
this series.
Neil

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