From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Fri, 01 Feb 2008 09:32:12 +0000 (GMT) Received: from localhost.localdomain ([127.0.0.1]:60567 "EHLO dl5rb.ham-radio-op.net") by ftp.linux-mips.org with ESMTP id S20026587AbYBAJcJ (ORCPT ); Fri, 1 Feb 2008 09:32:09 +0000 Received: from denk.linux-mips.net (denk.linux-mips.net [127.0.0.1]) by dl5rb.ham-radio-op.net (8.14.1/8.13.8) with ESMTP id m119W976018222; Fri, 1 Feb 2008 09:32:09 GMT Received: (from ralf@localhost) by denk.linux-mips.net (8.14.1/8.14.1/Submit) id m119W9HY018221; Fri, 1 Feb 2008 09:32:09 GMT Date: Fri, 1 Feb 2008 09:32:09 +0000 From: Ralf Baechle To: Chris Friesen Cc: linux-mips@linux-mips.org Subject: Re: kexec on SMP mips64? Message-ID: <20080201093209.GA18195@linux-mips.org> References: <47A21286.3020009@nortel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <47A21286.3020009@nortel.com> User-Agent: Mutt/1.5.17 (2007-11-01) 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: 18163 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: ralf@linux-mips.org Precedence: bulk X-list: linux-mips On Thu, Jan 31, 2008 at 12:25:10PM -0600, Chris Friesen wrote: > 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. I would classify the code as untested and suspect. Ralf