From owner-freebsd-current@FreeBSD.ORG Tue Jun 28 18:49:07 2005 Return-Path: X-Original-To: freebsd-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 180FD16A41C; Tue, 28 Jun 2005 18:49:07 +0000 (GMT) (envelope-from hartzell@kestrel.alerce.com) Received: from merlin.alerce.com (w094.z064001164.sjc-ca.dsl.cnc.net [64.1.164.94]) by mx1.FreeBSD.org (Postfix) with ESMTP id AE24F43D49; Tue, 28 Jun 2005 18:49:06 +0000 (GMT) (envelope-from hartzell@kestrel.alerce.com) Received: from merlin.alerce.com (localhost [127.0.0.1]) by merlin.alerce.com (Postfix) with ESMTP id 1E6872186; Tue, 28 Jun 2005 11:48:48 -0700 (PDT) Received: from satchel.alerce.com (w092.z064001164.sjc-ca.dsl.cnc.net [64.1.164.92]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "satchel.alerce.com", Issuer "Alerce Certificate Authority" (verified OK)) by merlin.alerce.com (Postfix) with ESMTP id E86A4216A; Tue, 28 Jun 2005 11:48:47 -0700 (PDT) Received: from satchel.alerce.com (localhost [127.0.0.1]) by satchel.alerce.com (8.13.1/8.13.1) with ESMTP id j5SInKO3029212 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 28 Jun 2005 11:49:20 -0700 (PDT) (envelope-from hartzell@satchel.alerce.com) Received: (from hartzell@localhost) by satchel.alerce.com (8.13.1/8.13.1/Submit) id j5SInKSl029209; Tue, 28 Jun 2005 11:49:20 -0700 (PDT) (envelope-from hartzell) From: George Hartzell MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <17089.39856.172282.951828@satchel.alerce.com> Date: Tue, 28 Jun 2005 11:49:20 -0700 To: John Baldwin In-Reply-To: <200506281341.21023.jhb@FreeBSD.org> References: <17077.62001.211846.349890@satchel.alerce.com> <200506271715.14687.jhb@FreeBSD.org> <17088.33872.136766.621988@satchel.alerce.com> <200506281341.21023.jhb@FreeBSD.org> X-Mailer: VM 7.17 under 21.4 (patch 15) "Security Through Obscurity" XEmacs Lucid X-Virus-Scanned: ClamAV using ClamSMTP Cc: freebsd-current@FreeBSD.org, hartzell@alerce.com Subject: Re: suspend/restore almost works on Sony PCG-GRX570, acpi_video not good X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: hartzell@alerce.com List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 28 Jun 2005 18:49:07 -0000 John Baldwin writes: > On Monday 27 June 2005 06:57 pm, George Hartzell wrote: > > John Baldwin writes: > > > On Sunday 19 June 2005 06:31 pm, George Hartzell wrote: > > > > Hi, > > > > > > > > I'm working on a Sony PCG-GRX570. > > > > [...] > > > > > > The problem is that your LCD isn't turned back on via DPMS, but there's > > > not a good way to fix that always. Especially if your BIOS doesn't > > > support DPMS. > > > > Can you say a bit more about this? [...] > > The ACPI spec says that the OS is supposed to power down the attached > monitor using DPMS before it shuts down the video controller and that > it should turn the monitor back on using DPMS after it has resumed the > video controller. FreeBSD currently just does the video controller > parts (sort of) and doesn't do the DPMS stuff at all except in the > patch to hack acpi_video, and that only works if your VGA BIOS > supports DPMS and it can only work for the primary monitor even then. So, do you think that I'm hanging when I try to resume because the display wasn't shut off using DPMS before FreeBSD shutdown (or sort-of-shutdown) the video controller), or do you think that the lack of DPMS shutdown confounds the situation? g.