From owner-freebsd-questions@FreeBSD.ORG Wed Aug 18 23:07:12 2010 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 B9A75106566C for ; Wed, 18 Aug 2010 23:07:12 +0000 (UTC) (envelope-from depocatcher@gmail.com) Received: from mail-iw0-f182.google.com (mail-iw0-f182.google.com [209.85.214.182]) by mx1.freebsd.org (Postfix) with ESMTP id 77F408FC0A for ; Wed, 18 Aug 2010 23:07:12 +0000 (UTC) Received: by iwn36 with SMTP id 36so1284011iwn.13 for ; Wed, 18 Aug 2010 16:07:11 -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:reply-to :user-agent:mime-version:to:cc:subject:references:in-reply-to :content-type; bh=rN0lJIGPSSHh7V+gqNTl5u9sb4gagcbbySOmwGrz+Bk=; b=O1YU7SyZjjKucCQfGn1WWath2kpngLu2NsESlLsIYqrjy0jnrQOLq9t1xAywlXLdhi mivpW2wjqJ4spGezW0awCF4nlwggJBKoADFPvkZg7kLtlwVfv7Tk4pwe/O7s/GjMh9AR W8HsMEBg4q+hi6fI034uiZ2Fa3lKJIAuY3hv8= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:reply-to:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type; b=C6W6fuxSKHsXXOrNhQLuZzd2uf6JWexWmjQvBEokpZSZxuXd4wZ+Z1r0S7ALxB69dT XflVhj1L1Eyhz2TqlO8NFTPAvtAobhBk7sNewF7RutjRXIOalvdfMFt383ZrLtXpS1eO PJNkTisUXzmdUnxSJ7N/+8pcOtC4XpZpfaUBk= Received: by 10.231.157.205 with SMTP id c13mr10095005ibx.71.1282172831460; Wed, 18 Aug 2010 16:07:11 -0700 (PDT) Received: from [192.168.17.10] (c-98-240-166-249.hsd1.mn.comcast.net [98.240.166.249]) by mx.google.com with ESMTPS id j2sm669176iba.0.2010.08.18.16.07.09 (version=TLSv1/SSLv3 cipher=RC4-MD5); Wed, 18 Aug 2010 16:07:10 -0700 (PDT) Message-ID: <4C6C67A1.90403@gmail.com> Date: Wed, 18 Aug 2010 18:07:13 -0500 From: Depo Catcher User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.11) Gecko/20100711 Thunderbird/3.0.6 MIME-Version: 1.0 To: Bruce Cran References: <4C6B9FF0.3040205@gmail.com> <20100818112658.00004b45@unknown> In-Reply-To: <20100818112658.00004b45@unknown> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: Freebsd questions Subject: Re: Hibernation X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: depocatcher@gmail.com List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 18 Aug 2010 23:07:12 -0000 On 8/18/2010 5:26 AM, Bruce Cran wrote: > On Wed, 18 Aug 2010 03:55:12 -0500 > Depo Catcher wrote: > > >> I can't find any good docs or guides to this. I checked the >> handbook, but had a bunch of references to 5.x. >> Can anyone point me to the right direction? >> >> I'd like to go with FreeBSD 8.1 amd64 for my next system. >> Hibernation and Wake on Lan would both be useful. >> > The only support for hibernation is via the BIOS with a special > partition. Unfortunately as far as I know it rarely, if ever, works. > Windows (I don't know about Linux) bypasses the BIOS/ACPI and just > dumps the contents of memory to disk before powering off. > My current system (6.4, really old hardware) shows this: sysctl -a | grep -i hw.acpi hw.acpi.supported_sleep_state: S1 S4 S5 hw.acpi.power_button_state: S5 hw.acpi.sleep_button_state: S1 hw.acpi.lid_switch_state: NONE hw.acpi.standby_state: S1 hw.acpi.suspend_state: S3 hw.acpi.sleep_delay: 1 hw.acpi.s4bios: 0 hw.acpi.verbose: 0 hw.acpi.disable_on_reboot: 0 hw.acpi.handle_reboot: 0 hw.acpi.reset_video: 0 hw.acpi.cpu.cx_lowest: C1 ampd is the command I'm looking for ? Also what is the differences between Sleep, Stand By, Hibernation and Suspend?