From owner-freebsd-questions@FreeBSD.ORG Tue Jan 29 22:09:00 2008 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 4C38A16A420 for ; Tue, 29 Jan 2008 22:09:00 +0000 (UTC) (envelope-from derek@computinginnovations.com) Received: from betty.computinginnovations.com (mail.computinginnovations.com [64.81.227.250]) by mx1.freebsd.org (Postfix) with ESMTP id ED2C013C458 for ; Tue, 29 Jan 2008 22:08:59 +0000 (UTC) (envelope-from derek@computinginnovations.com) MailScanner-NULL-Check: 1202249332.99813@K7Gq5neKd9mMzXeE8xxdWw Received: from p28.computinginnovations.com (dhcp-10-20-30-100.computinginnovations.com [10.20.30.100]) (authenticated bits=0) by betty.computinginnovations.com (8.14.2/8.13.8) with ESMTP id m0TM8qPD086772; Tue, 29 Jan 2008 16:08:52 -0600 (CST) (envelope-from derek@computinginnovations.com) Message-Id: <6.0.0.22.2.20080129160638.025457d8@mail.computinginnovations.com> X-Sender: derek@mail.computinginnovations.com X-Mailer: QUALCOMM Windows Eudora Version 6.0.0.22 Date: Tue, 29 Jan 2008 16:08:38 -0600 To: "Siraj Shaikh" , freebsd-questions@freebsd.org From: Derek Ragona In-Reply-To: <3b2ddd940801291200p37a1fbe6k139ade102b5e9693@mail.gmail.co m> References: <3b2ddd940801291200p37a1fbe6k139ade102b5e9693@mail.gmail.com> Mime-Version: 1.0 X-ComputingInnovations-MailScanner-Information: Please contact the ISP for more information X-ComputingInnovations-MailScanner: Found to be clean X-ComputingInnovations-MailScanner-From: derek@computinginnovations.com X-Spam-Status: No Content-Type: text/plain; charset="us-ascii"; format=flowed X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: Subject: Re: warning messages? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 29 Jan 2008 22:09:00 -0000 At 02:00 PM 1/29/2008, Siraj Shaikh wrote: >I have just installed FreeBSD 6.3 on my machine. I keep seeing these messages > >cpu0: Cx states changed >cpu1: Cx states changed > >in somewhat random intervals, specially at startup. What are they? >Should I be worried? Thanks >_______________________________________________ >freebsd-questions@freebsd.org mailing list >http://lists.freebsd.org/mailman/listinfo/freebsd-questions >To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" You CPU is changing states as part of power management/thermal management. There are sysctl variables to set these values if you don't want the state to change, or to control is finer. Look at your dmesg output for how many states your CPU supports. -Derek -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. MailScanner thanks transtec Computers for their support.