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

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Date:	Mon, 09 Apr 2012 14:37:10 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	marc@...lins.org
Cc:	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)

From: Marc MERLIN <marc@...lins.org>
Date: Mon, 9 Apr 2012 11:36:32 -0700

> On Mon, Apr 09, 2012 at 02:12:41PM -0400, David Miller wrote:
>> From: Marc MERLIN <marc@...lins.org>
>> Date: Mon, 9 Apr 2012 10:20:51 -0700
>> 
>> > Any idea what's going on, what bucket of RAM is an issue for the driver
>> > (total RAM is more than plenty), and where I should go from there?
>> 
>> The wireless layer is allocating high-order pages, so it's
>> not the amount of ram, it's the fragmentation of it leading
>> to a lack of those high-order pages.
> 
> I figured it was something of the sort, thanks for the professional
> confirmation :)
> 
> What's my next step, file a bug with a specific team?

Wait patiently for a wireless developer to look into your bug.
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