From owner-freebsd-hackers@FreeBSD.ORG Sun Mar 9 11:20:41 2008 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 09A01106567E for ; Sun, 9 Mar 2008 11:20:41 +0000 (UTC) (envelope-from rpaulo@gmail.com) Received: from fg-out-1718.google.com (fg-out-1718.google.com [72.14.220.157]) by mx1.freebsd.org (Postfix) with ESMTP id 3A7AC8FC33 for ; Sun, 9 Mar 2008 11:20:39 +0000 (UTC) (envelope-from rpaulo@gmail.com) Received: by fg-out-1718.google.com with SMTP id 16so1192278fgg.35 for ; Sun, 09 Mar 2008 04:20:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:user-agent:mime-version:to:cc:subject:references:in-reply-to:content-type:content-transfer-encoding:sender; bh=pk9yCoMsRH0lutXzZ6o5zp/ETU2J2+Uns6FSXdDT5+8=; b=k+Mtis3ZQFiQORWjBjTFdPJeH18iYddJLsaimahUlTUDaGYoAIGZckQ5ecAprAafjnIH2BEimvYxV2+p0qoy8gQZvN6e8N/5K17Ifwz6LQme3txYXD8QNQGImtDjZs87OGvP8v7gyUp+/vzXPXJj4CJaoeP7W7Fu4QAR8e/i2LA= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:cc:subject:references:in-reply-to:content-type:content-transfer-encoding:sender; b=AQtd+zgSpXBvzGPsxMlWZyRwpefMEdXgFkf8hs86SrOAgqtnhnHz/2+W5xEpgsvTOQHym8O2PjLFObpvoIxHqDpKP0NfNzCOj7CZ22fKAr+NC+iMqD+FrBhF1O7N8xEF8F/qw6jUWvLl3eWO4g/bdH87wpljxjqShM2XzZFfzBw= Received: by 10.86.1.1 with SMTP id 1mr4706015fga.2.1205061639070; Sun, 09 Mar 2008 04:20:39 -0700 (PDT) Received: from epsilon.local ( [83.144.140.96]) by mx.google.com with ESMTPS id i6sm6694096gve.5.2008.03.09.04.20.37 (version=TLSv1/SSLv3 cipher=RC4-MD5); Sun, 09 Mar 2008 04:20:38 -0700 (PDT) Message-ID: <47D3C804.9090307@FreeBSD.org> Date: Sun, 09 Mar 2008 11:20:36 +0000 From: Rui Paulo User-Agent: Thunderbird 2.0.0.12 (Macintosh/20080213) MIME-Version: 1.0 To: Andriy Gapon References: <479F0ED4.9030709@icyb.net.ua> <479F62D9.6080703@root.org> <47A33CCB.3090902@icyb.net.ua> <47B0C10F.6000109@icyb.net.ua> <47B4103A.6090902@icyb.net.ua> <47B4A103.7040801@icyb.net.ua> <47B4B31A.4020605@icyb.net.ua> <47B84E61.3060401@icyb.net.ua> <47BB375C.5010208@icyb.net.ua> <47BB4D5C.9000406@icyb.net.ua> <47BC7287.6000301@icyb.net.ua> <47BEF2AA.900@icyb.net.ua> In-Reply-To: <47BEF2AA.900@icyb.net.ua> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 8bit Sender: Rui Paulo Cc: freebsd-hackers@freebsd.org, freebsd-acpi@freebsd.org Subject: Re: cx_lowest and CPU usage X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 09 Mar 2008 11:20:41 -0000 Andriy Gapon wrote: > on 20/02/2008 20:33 Andriy Gapon said the following: >> on 19/02/2008 23:42 Andriy Gapon said the following: >>> The last result most probably means that RTC IRQ was not the interrupt >>> to wake CPU from sleeping state. >>> The first possibility that comes to mind is that on this particular >>> hardware RTC interrupt (IRQ8) is not able to wake the system from C2 state. >> So it seems that this was true. >> Here's a shortcut to the relevant info: >> PIIX4E (FW82371EB) specification >> DEVACTB — DEVICE ACTIVITY B (FUNCTION 3) pci register description >> BRLD_EN_IRQ8, bit 5 >> >> $ pciconf -r pci0:0:7:3 0x58 >> 03040c07 > > Attached is a patch that fixes the issue for me (without any > side-effects) and should not cause any harm for others. I committed your patch. Thanks! Regards, -- Rui Paulo