From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265139AbUH0OKS (ORCPT ); Fri, 27 Aug 2004 10:10:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265144AbUH0OKS (ORCPT ); Fri, 27 Aug 2004 10:10:18 -0400 Received: from main.gmane.org ([80.91.224.249]:43725 "EHLO main.gmane.org") by vger.kernel.org with ESMTP id S265139AbUH0OKC (ORCPT ); Fri, 27 Aug 2004 10:10:02 -0400 X-Injected-Via-Gmane: http://gmane.org/ To: linux-kernel@vger.kernel.org From: Karl Vogel Subject: Re: 2.6.8.1+patches: Still a memory leak with cdrecord Date: Fri, 27 Aug 2004 14:09:57 +0000 (UTC) Message-ID: References: <412F27C1.6030100@bio.ifi.lmu.de> Reply-To: karl.vogel@seagha.com X-Complaints-To: usenet@sea.gmane.org X-Gmane-NNTP-Posting-Host: gateway.seagha.com User-Agent: Xnews/5.04.25 X-Archive: encrypt Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Frank Steiner wrote in news:412F27C1.6030100@bio.ifi.lmu.de: > I'm not able to really track the problem down, because it is not > permanent. PCs that were leaking yesterday, went fine this morning > for the first 2-3 CDs, then started leaking again. Another PC > that was leaking first, is now burning CDs without problems. All > that with DMA always off for all the burners. I've also one > PC that is always burning CDs without any leak (and they > are all running the same kernel and have the same distribution/ > packet selection installed...). > > I've no idea what's causing that flip-flop between leaking/non-leaking > behaviour, but some bug is still there. What can I do to provide > useful debugging information? > > Following is the output of the oom killer. I'm not sure, but this sounds a bit similar to a problem I am seeing. Are you by any chance using the CFQ scheduler?! (elevator=cfq) If so, give elevator=as or elevator=deadline a go. The problem I'm seeing is that processes that allocate large amounts of memory, are OOM killed or cause swap storms. -- http://thread.gmane.org/gmane.linux.kernel/228156