Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932299AbZJLOhb (ORCPT ); Mon, 12 Oct 2009 10:37:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756563AbZJLOhb (ORCPT ); Mon, 12 Oct 2009 10:37:31 -0400 Received: from casper.infradead.org ([85.118.1.10]:51101 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756828AbZJLOh3 (ORCPT ); Mon, 12 Oct 2009 10:37:29 -0400 Subject: Re: [PATCH] panic.c: export panic_on_oops From: David Woodhouse To: Ingo Molnar Cc: Alan Cox , Simon Kagstrom , Artem Bityutskiy , Linus Torvalds , Andrew Morton , "Koskinen Aaro (Nokia-D/Helsinki)" , linux-mtd , LKML In-Reply-To: <20091012142634.GB4565@elte.hu> References: <20091012111545.GB8857@elte.hu> <1255346731.9659.31.camel@localhost> <20091012113758.GB11035@elte.hu> <20091012140149.6789efab@marrow.netinsight.se> <20091012120951.GA16799@elte.hu> <20091012142714.56362465@marrow.netinsight.se> <20091012123210.GB22766@elte.hu> <20091012140821.5dfa1598@lxorguk.ukuu.org.uk> <20091012132503.GD25464@elte.hu> <1255354342.30919.17.camel@macbook.infradead.org> <20091012142634.GB4565@elte.hu> Content-Type: text/plain; charset="UTF-8" Date: Mon, 12 Oct 2009 15:36:21 +0100 Message-Id: <1255358181.9111.14.camel@macbook.infradead.org> Mime-Version: 1.0 X-Mailer: Evolution 2.28.0 (2.28.0-2.fc12) Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 854 Lines: 22 On Mon, 2009-10-12 at 16:26 +0200, Ingo Molnar wrote: > Not if the failure is say a s2ram hang that requires a power cycle. Also > there are certain classes of bugs that only occur on cold boot. Plus > there's the "need to unplug the battery to revive the system" class of > bugs (but they are rare). So you need to build in enough ECC to cope with the decay which happens when RAM isn't being refreshed for a few seconds... :) > So i think the MTD / flash stuff is powerful. Yeah, definitely. I was just pointing out that we can actually do a lot better on today's commodity hardware too. -- dwmw2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/