linux-kernel - Re: [PATCH] sky2: receive dma mapping error handling

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Message-ID: <20100131222504.GB3317@del.dom.local>
Date:	Sun, 31 Jan 2010 23:25:04 +0100
From:	Jarek Poplawski <jarkao2@...il.com>
To:	Michael Breuer <mbreuer@...jas.com>
Cc:	Stephen Hemminger <shemminger@...ux-foundation.org>,
	David Miller <davem@...emloft.net>, akpm@...ux-foundation.org,
	flyboy@...il.com, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org, Michael Chan <mchan@...adcom.com>,
	Don Fry <pcnet32@...izon.net>,
	Francois Romieu <romieu@...zoreil.com>,
	Matt Carlson <mcarlson@...adcom.com>
Subject: Re: [PATCH] sky2:  receive dma mapping error handling

On Sat, Jan 30, 2010 at 11:17:41PM -0500, Michael Breuer wrote:
> On 01/30/2010 07:34 PM, Jarek Poplawski wrote:
> >On Sat, Jan 30, 2010 at 11:31:48AM -0500, Michael Breuer wrote:
> >>Jan 29 17:13:11 mail kernel: sky2 eth0: rx error, status 0x6230010
> >>length 1518
> >>Jan 29 17:13:11 mail kernel: sky2 eth0: rx error, status 0x7f40010
> >>length 1518
> >These are length errors, but status shows more than 1518, e.g. 2036
> >here, unless I miss something. Please, don't use jumbo frames in your
> >network until we fully debug it for regular frames (Stephen admitted
> >sky2 jumbo might be broken).
> MTU was 1500 - not using jumbo frames as they don't work.

Do you mean no NIC in your network could have sent such frames?

Jarek P.
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