From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Breuer Subject: Re: [PATCH] sky2: receive dma mapping error handling Date: Sun, 31 Jan 2010 18:58:39 -0500 Message-ID: <4B66192F.9040103@majjas.com> References: <20100128090835.0d93e53a@nehalam> <4B61DB79.4080703@majjas.com> <20100128223447.GC3109@del.dom.local> <4B621316.8070308@majjas.com> <20100128225621.GD3109@del.dom.local> <4B6216B9.1010802@majjas.com> <20100128153643.0fca3c51@nehalam> <4B645EF4.4050701@majjas.com> <20100131003449.GA11935@del.dom.local> <4B650465.7010503@majjas.com> <20100131222504.GB3317@del.dom.local> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7BIT Cc: Stephen Hemminger , David Miller , akpm@linux-foundation.org, flyboy@gmail.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, Michael Chan , Don Fry , Francois Romieu , Matt Carlson To: Jarek Poplawski Return-path: In-reply-to: <20100131222504.GB3317@del.dom.local> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On 1/31/2010 5:25 PM, Jarek Poplawski wrote: > 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. > Well... There's only one possible source... and if there were it would have been a Win7 bug :) Regardless, sky2 shouldn't be sensitive to rogue external network stuff.