From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sat, 25 May 2002 17:14:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sat, 25 May 2002 17:14:39 -0400 Received: from postfix1-2.free.fr ([213.228.0.130]:23259 "EHLO postfix1-2.free.fr") by vger.kernel.org with ESMTP id ; Sat, 25 May 2002 17:14:38 -0400 Message-Id: <200205252052.g4PKqs103253@colombe.home.perso> Date: Sat, 25 May 2002 22:52:51 +0200 (CEST) From: fchabaud@free.fr Reply-To: fchabaud@free.fr Subject: Re: 2.5.18, pdflush 100% cpu utilization To: DiegoCG@teleline.es Cc: linux-kernel@vger.kernel.org, akpm@zip.com.au, pavel@ucw.cz In-Reply-To: <20020525212512.7a14d1d9.DiegoCG@teleline.es> MIME-Version: 1.0 Content-Type: TEXT/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Le 25 Mai, Diego Calleja a écrit : > I've started my kernel 2.5.18. > I was testing software suspend, but kernel said: > > Kernel Panic: pse required > > Software Suspend is not posible now. > > > But i was able to continue, now I've pdflush running on PID 6, > and it takes 100% of idle cpu, perhaps it has nothing to see with > Software Suspend..... It probably has. I don't know what pdflush is but it has to be suspended using refrigerator(PF_IOTHREAD) because otherwise signals are not treated by this task and not resetted by suspend (hence the task has always signal pending after resume). -- Florent Chabaud ___________________________________ SGDN/DCSSI/SDS/LTI | florent.chabaud@polytechnique.org http://www.ssi.gouv.fr | http://fchabaud.free.fr