From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965020AbWDHQ2n (ORCPT ); Sat, 8 Apr 2006 12:28:43 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965022AbWDHQ2m (ORCPT ); Sat, 8 Apr 2006 12:28:42 -0400 Received: from anchor-post-31.mail.demon.net ([194.217.242.89]:14348 "EHLO anchor-post-31.mail.demon.net") by vger.kernel.org with ESMTP id S965021AbWDHQ2m (ORCPT ); Sat, 8 Apr 2006 12:28:42 -0400 Message-ID: <4437E4B7.40208@superbug.co.uk> Date: Sat, 08 Apr 2006 17:28:39 +0100 From: James Courtier-Dutton User-Agent: Mail/News 1.5 (X11/20060405) MIME-Version: 1.0 To: Andi Kleen CC: Robert Hancock , linux-kernel Subject: Re: Black box flight recorder for Linux References: <5ZjEd-4ym-37@gated-at.bofh.it> <5ZlZk-7VF-13@gated-at.bofh.it> <4437C335.30107@shaw.ca> <200604080917.39562.ak@suse.de> In-Reply-To: <200604080917.39562.ak@suse.de> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Andi Kleen wrote: > On Saturday 08 April 2006 16:05, Robert Hancock wrote: >> 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.to > > Reset button is like a cold boot and it generally ends up with cleared > RAM. > > -Andi Thank you. That saved me 30mins hacking. :-)