netdev - Re: [PATCH NET-2.6 1/1] netxen: limit skb frags for non tso packet

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Message-Id: <20110411.131732.28815955.davem@davemloft.net>
Date:	Mon, 11 Apr 2011 13:17:32 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	amit.salecha@...gic.com
Cc:	netdev@...r.kernel.org, ameen.rahman@...gic.com,
	anirban.chakraborty@...gic.com, stable@...nel.org
Subject: Re: [PATCH NET-2.6 1/1] netxen: limit skb frags for non tso packet

From: Amit Kumar Salecha <amit.salecha@...gic.com>
Date: Mon, 11 Apr 2011 05:10:22 -0700

> Machines are getting deadlock in four node cluster environment.
> All nodes are accessing (find /gfs2 -depth -print|cpio -ocv > /dev/null)
> 200 GB storage on a GFS2 filesystem.
> This result in memory fragmentation and driver receives 18 frags for
> 1448 byte packets.
> For non tso packet, fw drops the tx request, if it has >14 frags.
> 
> Fixing it by pulling extra frags.
> 
> Cc: stable@...nel.org
> Signed-off-by: Amit Kumar Salecha <amit.salecha@...gic.com>

Applied.
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