From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267368AbUG2AMz (ORCPT ); Wed, 28 Jul 2004 20:12:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267369AbUG2AJv (ORCPT ); Wed, 28 Jul 2004 20:09:51 -0400 Received: from holomorphy.com ([207.189.100.168]:1424 "EHLO holomorphy.com") by vger.kernel.org with ESMTP id S267371AbUG2AI5 (ORCPT ); Wed, 28 Jul 2004 20:08:57 -0400 Date: Wed, 28 Jul 2004 17:08:55 -0700 From: William Lee Irwin III To: Eduard Bloch Cc: linux-kernel@vger.kernel.org Subject: Re: memory not released after using cdrecord/cdrdao (was: audio cd writing causes massive swap and crash) Message-ID: <20040729000855.GI2334@holomorphy.com> Mail-Followup-To: William Lee Irwin III , Eduard Bloch , linux-kernel@vger.kernel.org References: <20040725094605.GA18324@zombie.inka.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040725094605.GA18324@zombie.inka.de> User-Agent: Mutt/1.5.6+20040523i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org * Ed Sweetman [Sat, Jul 17 2004, 04:00:13PM]: >> Both with 2.6.7-rc3 and 2.6.8-rc1-mm1 I get the same behavior when >> writing an audio cd on my plextor px-712a. DMA is enabled and normal >> data cds write as expected, but audio cds will cause (at any speed) the >> box to start using insane amounts of swap (>150MB) and eventually cause On Sun, Jul 25, 2004 at 11:46:05AM +0200, Eduard Bloch wrote: > Just FYI: we have a similar bug description in the Debian BTS, where the > user reports that kernel does not release memory assigned to userspace > after cdrdao or cdrecord have used it (writting in DAO mode), though he > could not find what allocated this memory. For details: > http://bugs.debian.org/256871 (dump attached). Is there any way we could get a characterization of the kind of memory that's proliferating here? e.g. could you snapshot /proc/meminfo, /proc/slabinfo, and /proc/vmstat at regular intervals during the run? -- wli