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Open Source and information security mailing list archives
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Date: Sat, 05 Apr 2008 17:51:31 -0400 From: Jeff Garzik <jeff@...zik.org> To: Rich West <Rich.West@...mo.com> CC: Wander Winkelhorst <w.winkelhorst@...il.com>, linux-kernel@...r.kernel.org, Linux IDE mailing list <linux-ide@...r.kernel.org> Subject: Re: sata_via Rich West wrote: > I was only curious as to what turning off power management support would > buy with regard to the sata timeout issue. ACPI is not only power management. It is all the information your hardware conveys to your OS, about the setup and workings of your hardware. Without ACPI, non-PM things like SMP, laptop dock/undock, and many other gadgets fail to function (or are configured sub-optimally). ACPI sets up interrupt routing, and Linux history is _loaded_ with _years_ of problem reports that appear as timeouts, only to be resolved as ACPI interrupt bugs (aka BIOS bugs, since ACPI tables come from BIOS). Jeff -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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