From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Thu, 05 Aug 2004 19:09:13 +0100 (BST) Received: from gateway-1237.mvista.com ([IPv6:::ffff:12.44.186.158]:12278 "EHLO av.mvista.com") by linux-mips.org with ESMTP id ; Thu, 5 Aug 2004 19:09:09 +0100 Received: from [10.0.10.221] (av [127.0.0.1]) by av.mvista.com (8.9.3/8.9.3) with ESMTP id LAA04261; Thu, 5 Aug 2004 11:09:02 -0700 Message-ID: <411277BD.7070108@mvista.com> Date: Thu, 05 Aug 2004 11:09:01 -0700 From: Pete Popov User-Agent: Mozilla Thunderbird 0.7.3 (Windows/20040803) X-Accept-Language: en-us, en MIME-Version: 1.0 To: G H CC: linux-mips@linux-mips.org Subject: Re: do_ri failure in cache flushing routines References: <20040805180427.59029.qmail@web50806.mail.yahoo.com> In-Reply-To: <20040805180427.59029.qmail@web50806.mail.yahoo.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit 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: 5603 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: ppopov@mvista.com Precedence: bulk X-list: linux-mips G H wrote: > I've not had much response to this question so I would like to > rephrase it : > > Can anyone think of any possible scenario where do_ri could occur in > blast_icache32() ?? > > Is this possibly a cache synchronisation problem ?? > Could be a hardware memory glitch. I would use kgdb to put a breakpoint there and see what the data in memory looks like when this happens -- look for memory corruption, etc. Pete > TIA > > >While testing out an amd au1500 based board I have been getting " > do_ri " exceptions >that always occur in the cache flushing routines. > More often than not in >blast_icache_32(). > > >So far this has mainly happened after running the board for days on > end while running >multiple telnet sessions to it. It has sometimes ( > quite rarely ) happened after a few >hours to a day of multiple telnet > session use. > > __________________________________________________ > Do You Yahoo!? > Tired of spam? Yahoo! Mail has the best spam protection around > http://mail.yahoo.com >