From owner-freebsd-stable@FreeBSD.ORG Sun Apr 24 17:23:49 2011 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 0CDFA106564A for ; Sun, 24 Apr 2011 17:23:49 +0000 (UTC) (envelope-from amarat@ksu.ru) Received: from webmail.hitv.ru (mail.hitv.ru [217.66.16.37]) by mx1.freebsd.org (Postfix) with ESMTP id 753118FC08 for ; Sun, 24 Apr 2011 17:23:48 +0000 (UTC) Received: from webmail.hitv.ru (localhost [127.0.0.1]) by webmail.hitv.ru (Postfix) with ESMTP id A74664AC5BC; Sun, 24 Apr 2011 21:06:28 +0400 (MSD) Received: from zealot.ksu.ru (zealot.hitv.ru [83.151.8.230]) by webmail.hitv.ru (Postfix) with ESMTP id 851A84AC59E; Sun, 24 Apr 2011 21:06:28 +0400 (MSD) Received: from zealot.ksu.ru (localhost.lnet [127.0.0.1]) by zealot.ksu.ru (8.14.4/8.14.4) with ESMTP id p3OH6ZN0064219; Sun, 24 Apr 2011 21:06:35 +0400 (MSD) (envelope-from amarat@ksu.ru) Message-ID: <4DB4589B.2020909@ksu.ru> Date: Sun, 24 Apr 2011 21:06:35 +0400 From: "Marat N.Afanasyev" User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:2.0pre) Gecko/20110423 Firefox/4.0pre SeaMonkey/2.1b3pre MIME-Version: 1.0 To: Bartosz Fabianowski References: <4DA596D3.1090803@chillt.de> <4DB44DA3.5060509@chillt.de> In-Reply-To: <4DB44DA3.5060509@chillt.de> Content-Type: text/plain; charset=KOI8-R; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: ClamAV using ClamSMTP Cc: freebsd-stable@freebsd.org, "illoai@gmail.com" , Ronald Klop Subject: Re: System extremely slow under light load X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 24 Apr 2011 17:23:49 -0000 Bartosz Fabianowski wrote: >>> Just for an experiment, try to disable powerd and look if things >>> improve. >> >> Or just bump it to "maximum", temporarily. > > I have tried both now. The results are as follows: > > * With powerd disabled and the CPU clocked down, the computer is > responsive when almost nothing is going on but becomes very slow as soon > as there is a light load. This is identical to the behavior I am seeing > with powerd enabled and a reduced maximum frequency. > > * With powerd disabled and the CPU clocked to its full speed, the > computer is running much hotter but responsiveness is not improved. > > It appears that powerd is not at fault. Something else is making this > computer run unbelievably slow. My Atom netbook regularly outperforms > this Core i7 when building ports. This just cannot be right :(. > > - Bartosz > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" > did you test the caches? I've seen such a behavior when cpu cache was disabled. and it can be thermal throttle in case of bad contact between cpu and heatsink. try to reapply thermal compound -- SY, Marat