From owner-freebsd-acpi@FreeBSD.ORG Sat Aug 10 09:32:49 2013 Return-Path: Delivered-To: freebsd-acpi@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id B031E288; Sat, 10 Aug 2013 09:32:49 +0000 (UTC) (envelope-from sendtomatt@gmail.com) Received: from mail-pb0-x231.google.com (mail-pb0-x231.google.com [IPv6:2607:f8b0:400e:c01::231]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 7694D21D8; Sat, 10 Aug 2013 09:32:49 +0000 (UTC) Received: by mail-pb0-f49.google.com with SMTP id xb4so5245208pbc.8 for ; Sat, 10 Aug 2013 02:32:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; bh=8f7IGUyzHgFY+GBt1U2sxX1pPCwvYfFnBqQPtLNVhO4=; b=IDj6yeFu3bYeBxn8Gq3aT1db+W3vFMnnBBks0JCoFFqqSBGeLMFPqe8dEAga0blTFy sTipdlzcB15kUhaJB7wiHyB1J7gObxsixOfeVtRCcKSvKtmpegDpEdOfJ86+nruYuqKG R+dOpRTErhJEMahxnIOx60BAQeaFG8ww1DwT2JjSVo0FG8/rZZclz0MHahicCOUBaMQn XHe2bC07MW9zq4mqsp4Nnplqa0bigdb5Eo7BLA6GDRDZBTCTHdnpY+kCGF9sChtUu8pb eFdpWAhB4Pwpwapi/eoEu3Y+j7jpYBXYD3ObPL9qJDnc25WhVjdd/6tuAwnm0YUfDHGG oc7g== X-Received: by 10.69.15.33 with SMTP id fl1mr15371928pbd.189.1376127169041; Sat, 10 Aug 2013 02:32:49 -0700 (PDT) Received: from flatline.sfrsys.com (c-67-161-25-189.hsd1.ca.comcast.net. [67.161.25.189]) by mx.google.com with ESMTPSA id yk10sm27431232pac.16.2013.08.10.02.32.46 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Sat, 10 Aug 2013 02:32:48 -0700 (PDT) Message-ID: <52060881.8090607@gmail.com> Date: Sat, 10 Aug 2013 02:31:45 -0700 From: matt User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:17.0) Gecko/20130806 Thunderbird/17.0.7 MIME-Version: 1.0 To: Adrian Chadd Subject: Re: Fixing X220 Video The Right Way References: <512A6FFF.2060603@gmail.com> <51BBA07B.80403@gmail.com> <201308091157.19765.jhb@freebsd.org> <5205AF0A.4090304@gmail.com> In-Reply-To: X-Enigmail-Version: 1.5.1 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: freebsd-acpi@freebsd.org, freebsd-current@freebsd.org X-BeenThere: freebsd-acpi@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: ACPI and power management development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 10 Aug 2013 09:32:49 -0000 Not sure that it did :) I tried it once early on, and it concerned me enough I never tried again. It was clearly in a violently erroneous state! At one point, X *could* resume the display. This makes me think the problem is solved via the graphics "chip" state, but it could be an acpi thing. I can't remember if I ever tried to startx after the resume on the "blind" console. Matt On 08/09/13 23:00, Adrian Chadd wrote: > when did it start working? > > > -adrian > > On 9 August 2013 20:10, matt wrote: >> hw.acpi.reset_video used to send this machine X220 into a reboot >> loop, with flashing thinklight. Interesting that it no longer >> causes this problem. I kind of paused since the trackpad sucks so >> much in X. >> >> I think since ssh still works, that just the display or graphics >> port is off. >> >> It may be worth trying to do some acpi_calls via ssh to try to >> hack the display back on... >> >> Matt >> >> On 08/09/13 08:57, John Baldwin wrote: >>> On Friday, August 09, 2013 4:37:50 am Adrian Chadd wrote: >>>> Hi! >>>> >>>> Hm, resurrecting this thread, I'll try this on my X230 >>>> tomorrow and see if it makes the (non-xorg, console only) >>>> video work on resume. >>>> >>>> If it does, what will it take to automatically determine >>>> that this kind of work-around is needed? >>> >>> >>> This does not affect suspend/resume. It only fixes LCD >>> brightness handling via acpi_video(4). >>> >> >