netdev - Re: e1000e failed to check map error

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Message-ID: <20130312185101.GA13662@redhat.com>
Date:	Tue, 12 Mar 2013 14:51:01 -0400
From:	Dave Jones <davej@...hat.com>
To:	"Allan, Bruce W" <bruce.w.allan@...el.com>
Cc:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: e1000e failed to check map error

On Fri, Mar 01, 2013 at 05:13:29PM +0000, Allan, Bruce W wrote:
 > > -----Original Message-----
 > > From: netdev-owner@...r.kernel.org [mailto:netdev-
 > > owner@...r.kernel.org] On Behalf Of Dave Jones
 > > Sent: Thursday, February 28, 2013 9:30 PM
 > > To: netdev@...r.kernel.org
 > > Subject: e1000e failed to check map error
 > > 
 > > Linus' current tree shows this shortly after boot for me..
 > > 
 > > WARNING: at lib/dma-debug.c:933 check_unmap+0x407/0x8a0()
 > 
 > Thanks for the report Dave.  I'll look into it.
 > 
 > Bruce.

fwiw, I see this also on 3.8.x, albeit with a different size..

 e1000e 0000:05:00.0: DMA-API: device driver failed to check map error[device address=0x0000000007130000] [size=24 bytes] [mapped as page]

Same backtrace though.

	Dave
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