Date: Wed, 17 Nov 2004 20:25:21 -0700 (MST) From: Warner Losh <imp@harmony.village.org> To: nate@root.org Cc: sos@DeepCore.dk Subject: Re: [PATCH] Please test: new ACPI release (20041105) import Message-ID: <20041117.202521.74694027.imp@harmony.village.org> In-Reply-To: <419C00A7.7030300@root.org> References: <20041117211943.E583E5D0A@ptavv.es.net> <20041117.173409.104092741.imp@harmony.village.org> <419C00A7.7030300@root.org>
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From: Nate Lawson <nate@root.org> 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... Warner
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