From owner-freebsd-current@FreeBSD.ORG Sun Feb 27 04:13:58 2005 Return-Path: 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 30A2616A4CF; Sun, 27 Feb 2005 04:13:58 +0000 (GMT) Received: from ylpvm29.prodigy.net (ylpvm29-ext.prodigy.net [207.115.57.60]) by mx1.FreeBSD.org (Postfix) with ESMTP id A806D43D54; Sun, 27 Feb 2005 04:13:57 +0000 (GMT) (envelope-from nate@root.org) Received: from [10.0.0.115] (adsl-64-171-186-189.dsl.snfc21.pacbell.net [64.171.186.189])j1R4DacE003165; Sat, 26 Feb 2005 23:13:36 -0500 Message-ID: <42214903.90301@root.org> Date: Sat, 26 Feb 2005 20:13:55 -0800 From: Nate Lawson User-Agent: Mozilla Thunderbird 1.0RC1 (X11/20041205) X-Accept-Language: en-us, en MIME-Version: 1.0 To: stable@freebsd.org Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit cc: current@freebsd.org Subject: C2/C3 disabled by default X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 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: Sun, 27 Feb 2005 04:13:58 -0000 There were still a couple complaints about C3 failing, possibly on older laptops only. However, since the failure case is a hang or poor runtime behavior, I thought it would be better to be safe and disable both C2 and C3 for the release. If we can nail down the problem laptops, it will be re-enabled. For now, if you're using this, re-enable it in rc.conf with something like: performance_cx_lowest="LOW" economy_cx_lowest="LOW" -- Nate