netdev - RE: e1000e 0000:00:19.0: DMA-API: device driver tries to free DMA memory it has not allocated [device address=0x0000000052ff084a] [size=90 bytes]

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Message-ID: <F169D4F5E1F1974DBFAFABF47F60C10A1E8795AC@orsmsx507.amr.corp.intel.com>
Date:	Wed, 18 Mar 2009 09:43:02 -0700
From:	"Brandeburg, Jesse" <jesse.brandeburg@...el.com>
To:	Ingo Molnar <mingo@...e.hu>, Lubomir Rintel <lkundrak@...sk>
CC:	Joerg Roedel <joerg.roedel@....com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"Kirsher, Jeffrey T" <jeffrey.t.kirsher@...el.com>,
	"Allan, Bruce W" <bruce.w.allan@...el.com>,
	"Waskiewicz Jr, Peter P" <peter.p.waskiewicz.jr@...el.com>,
	"Ronciak, John" <john.ronciak@...el.com>,
	"e1000-devel@...ts.sourceforge.net" 
	<e1000-devel@...ts.sourceforge.net>,
	Ingo Molnar <mingo@...hat.com>,
	"iommu@...ts.linux-foundation.org" <iommu@...ts.linux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: e1000e 0000:00:19.0: DMA-API: device driver tries to free DMA
	memory it has not allocated [device address=0x0000000052ff084a]	[size=90
 bytes]

Ingo Molnar wrote:
> * Lubomir Rintel <lkundrak@...sk> wrote:
> 
>> On Wed, March 18, 2009 8:04 am, Ingo Molnar wrote:
>>> 
>>> ( e1000e Cc:s added. A new debug feature, CONFIG_DMA_API_DEBUG=y,
>>>   has triggered the warning below in e1000_put_txbuf(). )
>> 
>> http://lkml.org/lkml/2009/3/2/318

We are still looking for more testing from the general community of 
this patch, in particular if any tx hangs are reported.  Thanks in 
advance for any reports.--
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