netdev - Re: 3.2.8/amd64 full interrupt hangs and deadlocks under big network copies (page allocation failure)

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Message-ID: <20120411052733.GA17352@merlins.org>
Date:	Tue, 10 Apr 2012 22:27:33 -0700
From:	Marc MERLIN <marc@...lins.org>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	David Miller <davem@...emloft.net>, Larry.Finger@...inger.net,
	bhutchings@...arflare.com, linux-wireless@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: 3.2.8/amd64 full interrupt hangs and deadlocks under big network copies (page allocation failure)

On Tue, Apr 10, 2012 at 08:11:03AM +0200, Eric Dumazet wrote:
> Please try following patch, as it solved the problem for me (no more
> order-1 allocations in tx path)

I applied our patch to 3.3.1 and cannot reproduce the problem anymore.

I'll leave a big wireless copy running overnight just in case, but I think
you fixed it.

Thanks much,
Marc
-- 
"A mouse is a device used to point at the xterm you want to type in" - A.S.R.
Microsoft is to operating systems ....
                                      .... what McDonalds is to gourmet cooking
Home page: http://marc.merlins.org/  
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