From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964946AbWDHOFn (ORCPT ); Sat, 8 Apr 2006 10:05:43 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751416AbWDHOFn (ORCPT ); Sat, 8 Apr 2006 10:05:43 -0400 Received: from shawidc-mo1.cg.shawcable.net ([24.71.223.10]:20815 "EHLO pd5mo2so.prod.shaw.ca") by vger.kernel.org with ESMTP id S1751390AbWDHOFm (ORCPT ); Sat, 8 Apr 2006 10:05:42 -0400 Date: Sat, 08 Apr 2006 08:05:41 -0600 From: Robert Hancock Subject: Re: Black box flight recorder for Linux In-reply-to: <5ZlZk-7VF-13@gated-at.bofh.it> To: linux-kernel Cc: Andi Kleen Message-id: <4437C335.30107@shaw.ca> MIME-version: 1.0 Content-type: text/plain; charset=ISO-8859-1; format=flowed Content-transfer-encoding: 7bit References: <5ZjEd-4ym-37@gated-at.bofh.it> <5ZlZk-7VF-13@gated-at.bofh.it> User-Agent: Thunderbird 1.5 (Windows/20051201) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Andi Kleen wrote: > James Courtier-Dutton writes: >> Now, the question I have is, if I write values to RAM, do any of those >> values survive a reset? > > They don't generally. > > Some people used to write the oopses into video memory, but that > is not portable. I wouldn't think most BIOSes these days would bother to clear system RAM on a reboot. Certainly Microsoft was encouraging vendors not to do this because it slowed down system boot time. -- Robert Hancock Saskatoon, SK, Canada To email, remove "nospam" from hancockr@nospamshaw.ca Home Page: http://www.roberthancock.com/