Date: Wed, 17 Nov 2004 19:43:54 -0800 From: Nate Lawson <nate@root.org> To: Warner Losh <imp@rover.village.org> Cc: sos@DeepCore.dk Subject: Re: [PATCH] Please test: new ACPI release (20041105) import Message-ID: <419C1A7A.6050000@root.org> In-Reply-To: <20041117.202521.74694027.imp@harmony.village.org> References: <20041117211943.E583E5D0A@ptavv.es.net> <20041117.173409.104092741.imp@harmony.village.org> <419C00A7.7030300@root.org> <20041117.202521.74694027.imp@harmony.village.org>
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Warner Losh wrote: > 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... My serial port. It's named UART in the AML, that's all. Setting it to D3 hangs the system. -Nate
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