From owner-freebsd-current@FreeBSD.ORG Fri Aug 27 17:13:01 2010 Return-Path: Delivered-To: freebsd-current@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 5AAEB10656A8; Fri, 27 Aug 2010 17:13:01 +0000 (UTC) (envelope-from avg@icyb.net.ua) Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id 6F2F68FC0A; Fri, 27 Aug 2010 17:13:00 +0000 (UTC) Received: from odyssey.starpoint.kiev.ua (alpha-e.starpoint.kiev.ua [212.40.38.101]) by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id UAA22476; Fri, 27 Aug 2010 20:12:56 +0300 (EEST) (envelope-from avg@icyb.net.ua) Message-ID: <4C77F218.9060901@icyb.net.ua> Date: Fri, 27 Aug 2010 20:12:56 +0300 From: Andriy Gapon User-Agent: Mozilla/5.0 (X11; U; FreeBSD amd64; en-US; rv:1.9.2.8) Gecko/20100823 Lightning/1.0b2 Thunderbird/3.1.2 MIME-Version: 1.0 To: Doug Barton References: <4C71E858.90009@FreeBSD.org> <4C721334.1050000@icyb.net.ua> <4C7219B2.4070303@FreeBSD.org> <4C722209.1020405@icyb.net.ua> <4C72297D.90104@FreeBSD.org> <4C722ADD.1030103@icyb.net.ua> <4C7234A1.3050108@FreeBSD.org> <4C7792A1.9090909@icyb.net.ua> <4C77E582.5080706@FreeBSD.org> In-Reply-To: <4C77E582.5080706@FreeBSD.org> X-Enigmail-Version: 1.1.2 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: freebsd-current@FreeBSD.org Subject: Re: runaway intr problems: powerd and/or hw.acpi.cpu.cx_lowest related X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 27 Aug 2010 17:13:01 -0000 on 27/08/2010 19:19 Doug Barton said the following: > Yes, it improved things greatly. I first ran with just powerd for several hours > and that worked fine. The next day I was able to use powerd and cx_lowest=C2 for > the better part of a day (including watching a few flash videos). By the end of > the day intr started to run away again, so not out of the woods yet, but at least > this shows we're going in the right direction. Also, while poking around in the > BIOS settings I noticed in one of the "information only" screens that I don't > usually visit one line about the "minimum cpu speed" is 1.00 GHz, which the sysctl > output above seems to verify. So where the throttling code was getting all those > other numbers I don't know. > > Meanwhile I've actually not been running FreeBSD for most of this week I've been > working on re-partitioning my new disk and running ubuntu. So 2 interesting pieces > of information there, first the "CPU Frequency Scaling Monitor" for the gnome that > comes with ubuntu never goes below 1 GHz, so that bit seems extra verified. > Second, I can watch all the flash videos I want while doing other stuff in the > background (like restoring the backups of my data) without any problems, so add > that to windows in terms of OS' that work on this same hardware. Now that I have > finally figured out how to boot windows, linux, and 2 FreeBSDs on the same disk > I'll be able to set up 7-stable i386 and 9-current amd64 to see how they compare > to the 9-current i386 I was using previously; so I should have more information in > a few days. Cool! Meanwhile can you double-check what timers does Linux use there? (No idea how to do that, especially if it's NO_HZ kernel). -- Andriy Gapon