From owner-freebsd-acpi@FreeBSD.ORG Thu Nov 18 03:44:20 2004 Return-Path: Delivered-To: freebsd-acpi@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B51D716A4CE; Thu, 18 Nov 2004 03:44:20 +0000 (GMT) Received: from ylpvm29.prodigy.net (ylpvm29-ext.prodigy.net [207.115.57.60]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5B06A43D31; Thu, 18 Nov 2004 03:44:20 +0000 (GMT) (envelope-from nate@root.org) Received: from [10.0.5.50] (adsl-64-171-186-185.dsl.snfc21.pacbell.net [64.171.186.185])iAI3i2DU010770; Wed, 17 Nov 2004 22:44:03 -0500 Message-ID: <419C1A7A.6050000@root.org> Date: Wed, 17 Nov 2004 19:43:54 -0800 From: Nate Lawson User-Agent: Mozilla Thunderbird 0.7.3 (X11/20040901) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Warner Losh References: <20041117211943.E583E5D0A@ptavv.es.net> <20041117.173409.104092741.imp@harmony.village.org> <419C00A7.7030300@root.org> <20041117.202521.74694027.imp@harmony.village.org> In-Reply-To: <20041117.202521.74694027.imp@harmony.village.org> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit cc: imp@rover.village.org cc: freebsd-acpi@FreeBSD.org cc: freebsd-current@FreeBSD.org cc: sos@DeepCore.dk Subject: Re: [PATCH] Please test: new ACPI release (20041105) import X-BeenThere: freebsd-acpi@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: ACPI and power management development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 18 Nov 2004 03:44:20 -0000 Warner Losh wrote: > From: Nate Lawson > Subject: Re: [PATCH] Please test: new ACPI release (20041105) import > Date: Wed, 17 Nov 2004 17:53:43 -0800 > > >>Warner Losh wrote: >> >>>>I do suspect that this is a PCI power issue and not an ACPI issue, but >>>>I'd like to know if it shows up on more models. It is most obvious when >>>>playing a stream as the buffers keep emptying and the sound stops after >>>>a short time. Music is clearly too fast and high pitched, but at 10% >>>>overspeed, some may not notice. (Does Dr. Dre sound much different 10% >>>>faster?) >>> >>>I've flipped the sense of the PCI power sysctl in current. Once >>>that's sanner, we should investigate setting the power states on >>>resume. Not sure what to do about suspend, since I think that acpi >>>has different notions of what D level to put a device in for different >>>S levels and it would likely have to take care of that after giving >>>the device a chance to save state. >>> >>>Warner >> >>I have a patch in my tree to do this. I'll post it once it's >>well-tested. At the moment, setting UART to D3 appears to hang the >>system and I'm not sure why. > > > What do you mean 'UART'? I'm confused... My serial port. It's named UART in the AML, that's all. Setting it to D3 hangs the system. -Nate