From mboxrd@z Thu Jan 1 00:00:00 1970 From: stephen mulcahy Subject: Re: forcedeth driver hangs under heavy load Date: Wed, 14 Apr 2010 15:30:41 +0100 Message-ID: <4BC5D191.9030905@gmail.com> References: <1271160298.2098.0.camel@achroite.uk.solarflarecom.com> <4BC47F38.5040509@gmail.com> <1271169741.16881.437.camel@edumazet-laptop> <20100413.144340.138717714.davem@davemloft.net> <1271195179.16881.575.camel@edumazet-laptop> <4BC5539B.6050908@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Eric Dumazet , David Miller , "bhutchings@solarflare.com" , "netdev@vger.kernel.org" , "ben@decadent.org.uk" , "572201@bugs.debian.org" <572201@bugs.debian.org> To: Ayaz Abdulla Return-path: Received: from viefep17-int.chello.at ([62.179.121.37]:37893 "EHLO viefep17-int.chello.at" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755464Ab0DNOax (ORCPT ); Wed, 14 Apr 2010 10:30:53 -0400 In-Reply-To: <4BC5539B.6050908@nvidia.com> Sender: netdev-owner@vger.kernel.org List-ID: Ayaz Abdulla wrote: > Attached fix has been submitted to netdev. I've run my reproducer with this patch applied to be Debian 2.6.32 kernel and so far the problem with nodes becoming unresponsive hasn't occurred. NIC settings were left the default so this looks positive root@node23:~# ethtool -k eth0 Offload parameters for eth0: rx-checksumming: on tx-checksumming: on scatter-gather: on tcp-segmentation-offload: on udp-fragmentation-offload: off generic-segmentation-offload: on generic-receive-offload: off large-receive-offload: off Thanks! -stephen