netdev - Re: [Bugme-new] [Bug 9940] New: e1000e driver with 82566DM-2 controller doesn't strip crc from frames

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Message-Id: <20080212021234.a3ad5d93.akpm@linux-foundation.org>
Date:	Tue, 12 Feb 2008 02:12:34 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Auke Kok <auke-jan.h.kok@...el.com>
Cc:	bugme-daemon@...zilla.kernel.org, netdev@...r.kernel.org,
	johan.andersson@...nsmode.se
Subject: Re: [Bugme-new] [Bug 9940] New: e1000e driver with 82566DM-2
 controller doesn't strip crc from frames

On Tue, 12 Feb 2008 01:50:49 -0800 (PST) bugme-daemon@...zilla.kernel.org wrote:

> http://bugzilla.kernel.org/show_bug.cgi?id=9940
> 
>            Summary: e1000e driver with 82566DM-2 controller doesn't strip
>                     crc from frames
>            Product: Drivers
>            Version: 2.5
>      KernelVersion: 2.6.24
>           Platform: All
>         OS/Version: Linux
>               Tree: Mainline
>             Status: NEW
>           Severity: normal
>           Priority: P1
>          Component: Network
>         AssignedTo: jgarzik@...ox.com
>         ReportedBy: johan.andersson@...nsmode.se
> 
> 
> Latest working kernel version: n/a
> Earliest failing kernel version: 2.6.24
> Distribution: Gentoo 2007.0
> Hardware Environment: HP Compaq dc7800p
> Software Environment: n/a
> Problem Description:
> The e1000e driver doesn't strip the ethernet frame crc is used with the
> 82566DM-2 chip.
> This will result, among other things, that bridging doesn't work together with
> this chip.
> Reverting commit 140a74802894e9db57e5cd77ccff77e590ece5f3 fixes this issue but
> has performance implications.
> 
> Steps to reproduce:
> Send a ping and monitor the responce with tcpdump.
> 

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