From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Fri, 01 Feb 2008 12:21:55 +0000 (GMT) Received: from bobafett.staff.proxad.net ([213.228.1.121]:57730 "EHLO bobafett.staff.proxad.net") by ftp.linux-mips.org with ESMTP id S20027576AbYBAMVp (ORCPT ); Fri, 1 Feb 2008 12:21:45 +0000 Received: from localhost (localhost [127.0.0.1]) by bobafett.staff.proxad.net (Postfix) with ESMTP id 12E832868E; Fri, 1 Feb 2008 13:21:45 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at staff.proxad.net Received: from bobafett.staff.proxad.net ([127.0.0.1]) by localhost (bobafett.staff.proxad.net [127.0.0.1]) (amavisd-new, port 10024) with LMTP id wqPvvLOgxsTe; Fri, 1 Feb 2008 13:21:43 +0100 (CET) Received: from nschichan.priv.staff.proxad.net (nschichan.priv.staff.proxad.net [172.18.3.120]) by bobafett.staff.proxad.net (Postfix) with ESMTP id D7E67CE8C; Fri, 1 Feb 2008 13:21:43 +0100 (CET) From: Nicolas Schichan Organization: Freebox To: "Chris Friesen" Subject: Re: kexec on SMP mips64? Date: Fri, 1 Feb 2008 13:21:43 +0100 User-Agent: KMail/1.9.6 References: <47A21286.3020009@nortel.com> In-Reply-To: <47A21286.3020009@nortel.com> Cc: linux-mips@linux-mips.org MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200802011321.43399.nschichan@freebox.fr> 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: 18164 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: nschichan@freebox.fr Precedence: bulk X-list: linux-mips On Thursday 31 January 2008 19:25:10 you wrote: Hi, > We're starting work on an embedded highly-available product using dual > Octeon cpus, and I'm looking into the possibility of using kexec/kdump > as a "flight recorder" to dump fault information to a persistant storage > location. > > I saw the patch adding initial support for kexec, but I was curious > about the current status. Is anyone using kexec for mips64 SMP systems? > Is it known to be broken? I'm just trying to get a feel for how much > work might be involved. The code used to work on the 32bit mips board I have access to, but as far as I know it has not been tested on 64bit. I have not tested it on SMP, but chances are that kexec on mips is broken here too. Regards, -- Nicolas Schichan