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SubjectRe: sata_via
Jeff Garzik wrote:
> 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).

Also, please give a shot at the sacred "irqpoll".

--
tejun


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