From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e1.ny.us.ibm.com (e1.ny.us.ibm.com [32.97.182.141]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "e1.ny.us.ibm.com", Issuer "Equifax" (verified OK)) by ozlabs.org (Postfix) with ESMTPS id 2864CDDF1C for ; Tue, 8 Jul 2008 11:28:48 +1000 (EST) Received: from d01relay04.pok.ibm.com (d01relay04.pok.ibm.com [9.56.227.236]) by e1.ny.us.ibm.com (8.13.8/8.13.8) with ESMTP id m681SjRF031088 for ; Mon, 7 Jul 2008 21:28:45 -0400 Received: from d01av01.pok.ibm.com (d01av01.pok.ibm.com [9.56.224.215]) by d01relay04.pok.ibm.com (8.13.8/8.13.8/NCO v9.0) with ESMTP id m681SjS7068254 for ; Mon, 7 Jul 2008 21:28:45 -0400 Received: from d01av01.pok.ibm.com (loopback [127.0.0.1]) by d01av01.pok.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id m681SijY008390 for ; Mon, 7 Jul 2008 21:28:45 -0400 Date: Mon, 7 Jul 2008 21:25:23 -0400 From: Josh Boyer To: benh@kernel.crashing.org Subject: Re: [PATCH] powerpc: rework 4xx PTE access and TLB miss Message-ID: <20080707212523.24d2014f@zod.rchland.ibm.com> In-Reply-To: <1215468180.8970.124.camel@pasglop> References: <20080701043607.07484DDED7@ozlabs.org> <20080707100627.4be05488@zod.rchland.ibm.com> <1215468180.8970.124.camel@pasglop> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Cc: linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Tue, 08 Jul 2008 08:03:00 +1000 Benjamin Herrenschmidt wrote: > On Mon, 2008-07-07 at 10:06 -0400, Josh Boyer wrote: > > > The setup is an tftp'd kernel via U-Boot using cuImage, nfsroot > > filesystem. Sequoia has an FPU, and CONFIG_PPC_FPU is set. > > > > I reverted this patch and used the latest powerpc-next branch and it > > boots fine. > > > > Seems something is wrong here still. I suspect the DSI handler > > changes, but I have no proof and haven't debugged it yet. Until we > > get it fixed, I don't feel overly comfortable putting it in the next > > branch. Which board and setup did you test with? > > mambo and another board I don't remember which one precisely. Unless you've seriously fixed mambo (which you probably have), I wouldn't consider the 44x port to be useful as a true test platform. I started that support like 3 years ago, and I abandoned it when I was 1/2 way finished. The exception precedence wasn't even right, and userspace didn't start :) > I'll have a look. Cool, thanks. If I get some time, I'll poke around myself too. josh