From owner-freebsd-acpi@FreeBSD.ORG Tue Feb 9 12:33:23 2010 Return-Path: Delivered-To: freebsd-acpi@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B4FD01065679 for ; Tue, 9 Feb 2010 12:33:23 +0000 (UTC) (envelope-from avg@icyb.net.ua) Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id 090258FC0C for ; Tue, 9 Feb 2010 12:33:22 +0000 (UTC) Received: from odyssey.starpoint.kiev.ua (alpha-e.starpoint.kiev.ua [212.40.38.101]) by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id OAA12319; Tue, 09 Feb 2010 14:33:20 +0200 (EET) (envelope-from avg@icyb.net.ua) Message-ID: <4B71560F.4050607@icyb.net.ua> Date: Tue, 09 Feb 2010 14:33:19 +0200 From: Andriy Gapon User-Agent: Thunderbird 2.0.0.23 (X11/20091206) MIME-Version: 1.0 To: Christof Schulze References: <201002090013.33363.christof.schulze@gmx.com> In-Reply-To: <201002090013.33363.christof.schulze@gmx.com> X-Enigmail-Version: 0.95.7 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: freebsd-acpi@freebsd.org Subject: Re: suspend to disk X-BeenThere: freebsd-acpi@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: ACPI and power management development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 09 Feb 2010 12:33:23 -0000 on 09/02/2010 01:13 Christof Schulze said the following: > Hello everyone > > today I tried whether my samsung q35 laptop would suspend using acpiconf on > RELENG_8. I was amazed that acpiconf -s3 works out of the box. However > acpiconf -s4 does not work which would be the useful side of hibernation for > me. > > From the manpage of acpiconf I understand that acpiconf -s4 should store the > non-cache-parts from ram somewhere on disk. If called the system shuts down > without writing much on the disk so something is odd there. > I have 2,5 gb of ram and only 800MB of swap space which is labeled correctly. > What do I have to do in order to make suspend to disk work? > Is it possible to compress the contents of the ram like some programs from the > linuxworld do it (tuxonice)? > Or did I entirely miss some configuration here? > > Please cc me while replying to this email as I am not on the freebsd-acpi > list. I do track -stable though. Long story short - FreeBSD does not support 'pure' S4. S4BIOS might work if your BIOS provides that feature. -- Andriy Gapon