From owner-freebsd-mobile@FreeBSD.ORG Mon Jan 21 17:17:54 2008 Return-Path: Delivered-To: freebsd-mobile@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 9E47A16A421 for ; Mon, 21 Jan 2008 17:17:54 +0000 (UTC) (envelope-from jdc@parodius.com) Received: from mx01.sc1.parodius.com (mx01.sc1.parodius.com [72.20.106.3]) by mx1.freebsd.org (Postfix) with ESMTP id 8F63C13C4F2 for ; Mon, 21 Jan 2008 17:17:54 +0000 (UTC) (envelope-from jdc@parodius.com) Received: by mx01.sc1.parodius.com (Postfix, from userid 1000) id 539BD1CC031; Mon, 21 Jan 2008 09:01:02 -0800 (PST) Date: Mon, 21 Jan 2008 09:01:02 -0800 From: Jeremy Chadwick To: Gerrit =?iso-8859-1?Q?K=FChn?= Message-ID: <20080121170102.GA46419@eos.sc1.parodius.com> References: <20080121171606.8eb5f189.gerrit@pmp.uni-hannover.de> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20080121171606.8eb5f189.gerrit@pmp.uni-hannover.de> User-Agent: Mutt/1.5.16 (2007-06-09) Cc: freebsd-stable@freebsd.org, freebsd-mobile@freebsd.org Subject: Re: T7200 CPU not detected by est X-BeenThere: freebsd-mobile@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Mobile computing with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 21 Jan 2008 17:17:54 -0000 On Mon, Jan 21, 2008 at 05:16:06PM +0100, Gerrit Kühn wrote: > I have several systems using T7200 mobile CPUs running under 7-stable. > However, EST does not recognize the cpus. When loading cpufreq I get: > > --- > Jan 18 23:18:14 comet kernel: est1: on cpu1 > Jan 18 23:18:14 comet kernel: est: CPU supports Enhanced Speedstep, but is not recognized. > Jan 18 23:18:14 comet kernel: est: cpu_vendor GenuineIntel, msr 6130c2906000c29 > Jan 18 23:18:14 comet kernel: device_attach: est1 attach returned 6 > --- I see identical behaviour on our Supermicro PDSMI+ systems, using E6420 CPUs, so I don't believe the problem is specific to your motherboard or certain Intel CPU models: CPU: Intel(R) Core(TM)2 CPU 6420 @ 2.13GHz (2128.01-MHz 686-class CPU) acpi0: on motherboard acpi0: [ITHREAD] acpi0: Power Button (fixed) cpu0: on acpi0 est0: on cpu0 est: CPU supports Enhanced Speedstep, but is not recognized. est: cpu_vendor GenuineIntel, msr 82a082a0600082a device_attach: est0 attach returned 6 cpu1: on acpi0 est1: on cpu1 est: CPU supports Enhanced Speedstep, but is not recognized. est: cpu_vendor GenuineIntel, msr 82a082a0600082a device_attach: est1 attach returned 6 In the case of our servers, we usually turn EIST off (this one particular box has it enabled) because of the above problem -- but I'd much rather have it turned on to help save power. For a laptop or workstation, however, I can see this being an incredibly important feature. -- | Jeremy Chadwick jdc at parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |