From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264454AbTLaMfM (ORCPT ); Wed, 31 Dec 2003 07:35:12 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264461AbTLaMfM (ORCPT ); Wed, 31 Dec 2003 07:35:12 -0500 Received: from parcelfarce.linux.theplanet.co.uk ([195.92.249.252]:34005 "EHLO www.linux.org.uk") by vger.kernel.org with ESMTP id S264454AbTLaMfG (ORCPT ); Wed, 31 Dec 2003 07:35:06 -0500 Message-ID: <3FF2C266.8010104@pobox.com> Date: Wed, 31 Dec 2003 07:34:46 -0500 From: Jeff Garzik User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4) Gecko/20030703 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Lennert Buytenhek CC: linux-kernel@vger.kernel.org Subject: Re: [2.6.0-mm2] e100 driver hangs after period of moderate receive load References: <20031231110209.GA9858@gnu.org> <3FF2BCDE.5010302@pobox.com> <20031231122155.GA13323@gnu.org> In-Reply-To: <20031231122155.GA13323@gnu.org> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Lennert Buytenhek wrote: > On Wed, Dec 31, 2003 at 07:11:10AM -0500, Jeff Garzik wrote: > > >>>After banging on an e100 card for about ten minutes with a ~60kpps stream, >>>the interface stops receiving packets. Interrupts come in once every few >>>seconds (from /proc/interrupts), but no packets are received anymore at >>>all. >>>Lots of slab corruption messages in the syslog that were generated during >>>that packet stream (see other email I sent.) Stopping the packet stream >>>still leaves the interface unusable. 'ifconfig eth1 down ; ifconfig eth1 >>>up' >>>seems to fix things. >> >>Is NAPI enabled for this driver? The interrupt behavior seems normal >>for NAPI, but certainly the rest of the behavior does not... > > > Yes, NAPI was indeed enabled. > > I 'went back' to 2.6.1-rc1 and that seems fine now. Any patches you want > me to try on top of 2.6.0-mm2? Well, the two are vastly different, since -mm2 includes a complete rewrite of e100. Does disabling NAPI in -mm2 change anything? Jeff