From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Fri, 08 Apr 2005 17:45:41 +0100 (BST) Received: from mail.timesys.com ([IPv6:::ffff:65.117.135.102]:48219 "EHLO exchange.timesys.com") by linux-mips.org with ESMTP id ; Fri, 8 Apr 2005 17:45:26 +0100 Received: from [192.168.2.27] ([192.168.2.27]) by exchange.timesys.com with Microsoft SMTPSVC(5.0.2195.6713); Fri, 8 Apr 2005 12:41:11 -0400 Message-ID: <4256B524.2080509@timesys.com> Date: Fri, 08 Apr 2005 12:45:24 -0400 From: Greg Weeks User-Agent: Mozilla Thunderbird 1.0 (X11/20041206) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Ralf Baechle CC: linux-mips@linux-mips.org Subject: Re: another 4kc machine check. References: <42553E49.7080004@timesys.com> <4256991C.4020601@timesys.com> <20050408161357.GB19166@linux-mips.org> In-Reply-To: <20050408161357.GB19166@linux-mips.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 08 Apr 2005 16:41:11.0593 (UTC) FILETIME=[C5A9E990:01C53C59] Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 7654 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: greg.weeks@timesys.com Precedence: bulk X-list: linux-mips Ralf Baechle wrote: >On Fri, Apr 08, 2005 at 10:45:48AM -0400, Greg Weeks wrote: > > > >>>This is the malta branch with the tlb patch from Ralf applied. The LTP >>>test: >>> >>> > >Credits for this patch go to Maciej who actually went through the pain >of debugging this problem that did show it's ugly head long, long after >the affected revision has been obsoleted by newer revisions. > > > >>>-bash-2.05b# shmem_test_06 >>> >>> >>This test does some mucking with shmat at fixed addresses that might not >>be correct for mips. I still wouldn't expect to see a machine check when >>it goes to free the shared memory areas. I'm going to try it on a 24K >>malta as soon as I get yamon on it and can get it booted. >> >> > >I've been able to reproduce it on on two 4Kc boards of different revisions >so this seems to be something else. It does not hit 5Kc and 24K. > > Have you tried a 4kec? That's the only other mips board I have available. Greg Weeks