From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from wa-out-1112.google.com (wa-out-1112.google.com [209.85.146.180]) by ozlabs.org (Postfix) with ESMTP id 14638DDE45 for ; Wed, 19 Sep 2007 07:02:31 +1000 (EST) Received: by wa-out-1112.google.com with SMTP id m28so2653269wag for ; Tue, 18 Sep 2007 14:02:30 -0700 (PDT) Message-ID: Date: Tue, 18 Sep 2007 15:02:28 -0600 From: "Grant Likely" Sender: glikely@secretlab.ca To: "Robert Woodworth" Subject: Re: Xilinx FX60 In-Reply-To: <1190149090.7268.29.camel@PisteOff> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 References: <1190149090.7268.29.camel@PisteOff> Cc: linuxppc-embedded@ozlabs.org List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On 9/18/07, Robert Woodworth wrote: > I'm back trying to get the kernel on my Xilinx FX60 without success. > Now I have more information: > > Using the Xilinx GDB, I'm getting either a "Bad Page fault exception" or > a kernel "oops" > > The text in the _log_buf is as follows: > (this happens before serial console init) > > Data machine check in kernel mode.. > Oops: machine check, sig: 7 [#1]. > > > > > Any Ideas what would cause this? Memory problem? > I've run several different embedded memory test programs on the PPC and > they all pass fine. You might still be having memory issues. Memory tests in general don't hit memory as hard and fast as running code with caches enabled. > > I've synthesized my FX60 with the exact same memory map as my FX12 on > the ML403 and used the same kernel config. ML403 works great. > > The only difference is that the FX60 board only has 32MB DDR, I have > made sure that the correct memory size is in the kernel. How are you booting your kernel? .ace? u-boot? load via debugger? Cheers, g. -- Grant Likely, B.Sc., P.Eng. Secret Lab Technologies Ltd. grant.likely@secretlab.ca (403) 399-0195