From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ext-cn0ut-5.online-age.net (ext-cn0ut-5.online-age.net [63.210.253.234]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "ext-cn0ut.online-age.net", Issuer "Savvis Communications Root CA" (not verified)) by ozlabs.org (Postfix) with ESMTPS id 8F845DDE31 for ; Tue, 3 Feb 2009 03:20:24 +1100 (EST) Received: from int-cn0ut-5.online-age.net (int-cn0ut-5.online-age.net [3.159.252.74]) by ext-cn0ut-5.online-age.net (8.13.6/8.13.6/20051114-SVVS-TLS-DNSBL) with ESMTP id n12GKJRQ023923 for ; Mon, 2 Feb 2009 11:20:19 -0500 Received: from cinmlip01.e2k.ad.ge.com (int-cn0ut-5.online-age.net [3.159.252.74]) by int-cn0ut-5.online-age.net (8.13.6/8.13.6/20050510-SVVS) with ESMTP id n12GKJZ6027443 for ; Mon, 2 Feb 2009 11:20:19 -0500 Message-ID: <49871D3E.80809@gefanuc.com> Date: Mon, 02 Feb 2009 16:20:14 +0000 From: Martyn Welch MIME-Version: 1.0 To: Kumar Gala Subject: Re: Booting 2.6.29-rc3 on mpc8661d_hpcn failing References: <4982F311.4050507@gefanuc.com> <9B0CCADB-C891-42B2-BE94-0927B5715A00@kernel.crashing.org> <4986BEB9.3030606@gefanuc.com> <498718B6.3030307@gefanuc.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Cc: linuxppc-dev list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Kumar Gala wrote: > > On Feb 2, 2009, at 10:00 AM, Martyn Welch wrote: > >> Kumar Gala wrote: >>> On Feb 2, 2009, at 3:36 AM, Martyn Welch wrote: >>>> Becky Bruce wrote: >>>>> On Jan 30, 2009, at 8:42 AM, Kumar Gala wrote: >>>>>> >>>>>> On Jan 30, 2009, at 6:31 AM, Martyn Welch wrote: >>>>>> >>>>>>> Hi Guys, >>>>>>> >>>>>>> It seems that 2.6.29-rc3 is not booting on the MPC8641 HPCN. I >>>>>>> have just updated u-boot to the latest git to see if that >>>>>>> improved matters, however I get stuck at the following. Any ideas? >>>>>> >>>>>> did you update your .dtb as well? >>>> >>>> Yup, just double checked it. SOC mapped at ffe00000. If I use the >>>> wrong DTB I don't get any serial output... >>>> >>>>> We've changed the memory map for that board in the latest u-boot, >>>>> which is why you need a new .dtb. If this still failing, let me >>>>> know, and I'll give it a try on my board and see what's up since >>>>> this is probably my fault :) >>>> >>>> It appears the same problem is affecting our sbc610 as well, the >>>> location of the SOC hasn't changed on that board. >>>> >>>> Martyn >>> Hm.. maybe try a git-bisect between 2.6.28 and 2.6.29-rc3? >> >> That's was today's "little" task. I was just in the process of writing >> an email :-) >> >> It got me to the following commit: >> >> commit 64b3d0e8122b422e879b23d42f9e0e8efbbf9744 >> Author: Benjamin Herrenschmidt >> >> powerpc/mm: Rework usage of _PAGE_COHERENT/NO_CACHE/GUARDED >> >> I tried reverting it, but as I had kinda thought, that really didn't >> help. >> >> I'm just recompiling to check that I didn't screw-up during the >> bisection. > Nope, didn't screw-up... > Hmm. > > take a look at this thread. > > http://ozlabs.org/pipermail/linuxppc-dev/2009-January/067437.html > ...and that confirms that this issue has well and truly left this newbies comfort zone ;-) Martyn -- Martyn Welch MEng MPhil MIET (Principal Software Engineer) T:+44(0)1327322748 GE Fanuc Intelligent Platforms Ltd, |Registered in England and Wales Tove Valley Business Park, Towcester, |(3828642) at 100 Barbirolli Square, Northants, NN12 6PF, UK T:+44(0)1327359444 |Manchester,M2 3AB VAT:GB 729849476