From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 7 Oct 2001 16:13:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 7 Oct 2001 16:13:35 -0400 Received: from hall.mail.mindspring.net ([207.69.200.60]:30985 "EHLO hall.mail.mindspring.net") by vger.kernel.org with ESMTP id ; Sun, 7 Oct 2001 16:13:21 -0400 Subject: Fwd: Re: SMP and preemption patch From: Robert Love To: linux-kernel@vger.kernel.org Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Mailer: Evolution/0.15.99+cvs.2001.10.05.08.08 (Preview Release) Date: 07 Oct 2001 16:14:12 -0400 Message-Id: <1002485654.863.8.camel@phantasy> Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > Great patch... I tried it on two SMP boxes I have. I managed to create a > load of 10, by generating a lot of disk IO, and a high priority process (alot > doing disk IO), barely suffered at all. Very nice. > > However, I did have two crashes. > > [...] If anyone else is having problems with preemption on SMP, George Anzinger of MontaVista has a solution in the newest preemptible kernel patch that may solve it. I am interested if anyone (a) has crashes with SMP and preemption and (b) if this solves it. Updated patches for 2.4.10, 2.4.11-pre4, and 2.4.10-ac7 are at http://tech9.net/rml/linux Robert Love