Re: sata_via

[Tejun Heo]

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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