From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from www.linux.org.uk (parcelfarce.linux.theplanet.co.uk [195.92.249.252]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTP id E10A92BC0F for ; Sat, 16 Oct 2004 14:03:07 +1000 (EST) Date: Fri, 15 Oct 2004 23:13:53 -0300 From: Marcelo Tosatti To: Dan Malek Message-ID: <20041016021353.GA6388@logos.cnet> References: <28F2CE72-0BF0-11D9-97DC-003065F9B7DC@embeddededge.com> <20041015154946.GB3957@logos.cnet> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20041015154946.GB3957@logos.cnet> Cc: linuxppc-dev@ozlabs.org, 'Song Sam' Subject: Re: Linux 2.6.x on 8xx status List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Fri, Oct 15, 2004 at 12:49:46PM -0300, Marcelo Tosatti wrote: > On Tue, Sep 21, 2004 at 01:03:29PM -0400, Dan Malek wrote: > > > > On Sep 21, 2004, at 7:59 AM, Smith, Craig wrote: > > > > >Genius. That patch appears to work for me as well. > > > > The fact this works indicates a subtle memory management > > problem elsewhere. I don't know what that is at this > > point. This hack is in a piece of generic code that works > > properly on all other PowerPC cores, so it isn't going to > > ever appear in the public sources. > > > > I suggested this change to a few people hoping the information > > would lead them to finding the real problem, not that it > > should be perpetuated as a "fix" to make 8xx work. > > I don't personally have time to work on this right now, > > so anyone using 8xx should be looking for the real > > cause and solution, not using this to create products. > > Do you know the real cause Dan ? > > As I told you, we are porting our sub-sub-architecture > to v2.6, and need that bug fixed at some time. > > Lots of other people do. I can try to fix it if you dont have time, do you know what is wrong and requires fixing? I'm not familiar with low-level PowerPC memory management, but I can try. Can you help, or are you planning on fixing this yourself (who was the necessary knowledge, as soon as time allows) ? I know Pantelis seems to have necessary knowledge to it. Pantelis?