From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761131AbXI1JVU (ORCPT ); Fri, 28 Sep 2007 05:21:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756853AbXI1JVF (ORCPT ); Fri, 28 Sep 2007 05:21:05 -0400 Received: from smtp2.linux-foundation.org ([207.189.120.14]:54350 "EHLO smtp2.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754599AbXI1JVD (ORCPT ); Fri, 28 Sep 2007 05:21:03 -0400 Date: Fri, 28 Sep 2007 02:20:51 -0700 From: Andrew Morton To: linux@horizon.com Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org Subject: Re: 2.6.23-rc8 network problem. Mem leak? ip1000a? Message-Id: <20070928022051.a6f27b1e.akpm@linux-foundation.org> In-Reply-To: <20070928020617.7389.qmail@science.horizon.com> References: <20070928020617.7389.qmail@science.horizon.com> X-Mailer: Sylpheed 2.4.1 (GTK+ 2.8.17; x86_64-unknown-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On 27 Sep 2007 22:06:17 -0400 linux@horizon.com wrote: > Uniprocessor Althlon 64, 64-bit kernel, 2G ECC RAM, > 2.6.23-rc8 + linuxpps (5.0.0) + ip1000a driver. > (patch from http://marc.info/?l=linux-netdev&m=118980588419882) > > After a few hours of operation, ntp loses the ability to send packets. > sendto() returns -EAGAIN to everything, including the 24-byte UDP packet > that is a response to ntpq. > > ... > > Killing and restarting ntpd gets it running again for a few hours. > Here's after about two hours of successful operation. (I'll try to > remember to run slabinfo before killing ntpd next time.) ntpd. Sounds like pps leaking to me. > > Can anyone offer some diagnosis advice? > CONFIG_DEBUG_SLAB_LEAK?