Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753188AbZFDR2m (ORCPT ); Thu, 4 Jun 2009 13:28:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752094AbZFDR2e (ORCPT ); Thu, 4 Jun 2009 13:28:34 -0400 Received: from mx-out.daemonmail.net ([216.104.160.38]:56703 "EHLO mx-out.daemonmail.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750785AbZFDR2d (ORCPT ); Thu, 4 Jun 2009 13:28:33 -0400 From: "Michael S. Zick" Reply-To: lkml@morethan.org To: Linus Torvalds Subject: Re: Linux 2.6.30-rc8 [also: VIA Support] Date: Thu, 4 Jun 2009 12:27:07 -0500 User-Agent: KMail/1.9.9 Cc: Duane Griffin , Linux Kernel Mailing List , Harald Welte References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200906041227.10529.lkml@morethan.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1704 Lines: 49 On Thu June 4 2009, Linus Torvalds wrote: > > Side note: is it more stable if you disable the VIA speedstep thing > (whatever it's called (ok, google tells me it's called "TwinTurbo" and > "Advanced PowerSaver")? > The e_powersave code. Yes, I build test cases with and without - - It was a fixed-speed kernel build that first hit the 4 hour up-time mark. I just reposted that build today (the -09143lk). > Features like that easily put a huge stress on power regulators etc, if > they result in sudden changes in current draw. Underspecced capacitors > etc can cause CPU "brown-outs", which in turn can easily cause total > failure. > There is also a possible thermal issue with these machines - - I doubt that VIA runs their qualification testing in bake ovens; which is what NetBook cases amount too. ;) Before the week's end - I am going to run a few of these test builds with the machine in the freezer - a 20C decrease in ambient should show if there is any thermal relationship with the problem. I just need to run my lan into the freezer compartment - one of the places in this house without a lan connection. ;) For want of a documented JTAG port... Mike > > Linus > -- > 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/ > > -- 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/