From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: 82571EB: Detected Hardware Unit Hang Date: Mon, 09 Jul 2012 11:21:17 +0200 Message-ID: <1341825677.3265.2330.camel@edumazet-glaptop> References: <4FFA9B96.6040901@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: e1000-devel@lists.sf.net, "netdev@vger.kernel.org" , "linux-kernel@vger.kernel.org" To: Joe Jin Return-path: In-Reply-To: <4FFA9B96.6040901@oracle.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Mon, 2012-07-09 at 16:51 +0800, Joe Jin wrote: > Hi list, > > I'm seeing a Unit Hang even with the latest e1000e driver 2.0.0 when doing > scp test. this issue is easy do reproduced on SUN FIRE X2270 M2, just copy > a big file (>500M) from another server will hit it at once. > > Would you please help on this? > Its a known problem. But apparently Intel guys are not very responsive, as they have another patch than the following : http://permalink.gmane.org/gmane.linux.network/232669 We only have to wait they push their alternative patch, eventually. In the mean time, you can use Hiroaki SHIMODA patch, it works.