From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTP id 16DFBDDDE9 for ; Mon, 28 Jan 2008 15:26:19 +1100 (EST) Subject: Re: ppc32: Weird process scheduling behaviour with 2.6.24-rc From: Benjamin Herrenschmidt To: Michel =?ISO-8859-1?Q?D=E4nzer?= In-Reply-To: <1201450409.1931.23.camel@thor.sulgenrain.local> References: <1200659696.23161.81.camel@thor.sulgenrain.local> <1201013786.4726.28.camel@thor.sulgenrain.local> <1201090699.9052.39.camel@thor.sulgenrain.local> <1201092131.6341.51.camel@lappy> <1201244082.6815.128.camel@pasglop> <1201244618.6815.130.camel@pasglop> <1201245901.6815.133.camel@pasglop> <1201251000.6341.108.camel@lappy> <20080126040734.GA21365@linux.vnet.ibm.com> <1201320834.6815.160.camel@pasglop> <20080126050757.GB14177@linux.vnet.ibm.com> <1201450409.1931.23.camel@thor.sulgenrain.local> Content-Type: text/plain; charset=utf-8 Date: Mon, 28 Jan 2008 15:25:24 +1100 Message-Id: <1201494324.6815.171.camel@pasglop> Mime-Version: 1.0 Cc: linuxppc-dev@ozlabs.org, Ingo Molnar , vatsa@linux.vnet.ibm.com, Peter Zijlstra Reply-To: benh@kernel.crashing.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Sun, 2008-01-27 at 17:13 +0100, Michel Dänzer wrote: > > > Do you see behavior change (from good->bad) immediately after > applying that patch > > during your bisect process? > > Yes, confirmed by trying that commit and its parent again. Just to be paranoid... can you try with a different gcc version in case something gets miscompiled ? Ben.