From owner-freebsd-current@FreeBSD.ORG Thu Mar 23 06:21:55 2006 Return-Path: X-Original-To: current@freebsd.org Delivered-To: freebsd-current@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 266D116A400 for ; Thu, 23 Mar 2006 06:21:55 +0000 (UTC) (envelope-from phk@critter.freebsd.dk) Received: from pasmtp.tele.dk (pasmtp.tele.dk [193.162.159.95]) by mx1.FreeBSD.org (Postfix) with ESMTP id C348343D45 for ; Thu, 23 Mar 2006 06:21:54 +0000 (GMT) (envelope-from phk@critter.freebsd.dk) Received: from critter.freebsd.dk (0x535c0e2a.sgnxx1.adsl-dhcp.tele.dk [83.92.14.42]) by pasmtp.tele.dk (Postfix) with ESMTP id 7FBFF1EC319; Thu, 23 Mar 2006 07:21:43 +0100 (CET) Received: from critter.freebsd.dk (localhost [127.0.0.1]) by critter.freebsd.dk (8.13.4/8.13.4) with ESMTP id k2N6Lfgd013728; Thu, 23 Mar 2006 07:21:42 +0100 (CET) (envelope-from phk@critter.freebsd.dk) To: Maksym Sobolyev From: "Poul-Henning Kamp" In-Reply-To: Your message of "Wed, 22 Mar 2006 14:43:46 PST." <4421D322.3010901@digifonica.com> Date: Thu, 23 Mar 2006 07:21:41 +0100 Message-ID: <13727.1143094901@critter.freebsd.dk> Sender: phk@critter.freebsd.dk Cc: "current@freebsd.org" Subject: Re: timecounting with TSC doesn't work properly on my notebook 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: Thu, 23 Mar 2006 06:21:55 -0000 In message <4421D322.3010901@digifonica.com>, Maksym Sobolyev writes: >Hi, > >After updating to the recent current (previous one was circa end-2005) I >have found that time on machine goes by 3-4 times faster than wallclock > with TSC timecounter. Selecting ACPI-safe instead helps. It should not default to TSC if it has ACPI-safe. The TSC varies with power-save featurs on most laptops. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.