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SubjectRe: [Re: Linux 2.6.28-rc1] ACPI Warning (nspredef-0852)[...]

> The underlying issue is we've never reported such BIOS bugs before and now we
> do that unconditionally. IMnshO, this should only be done if ACPI debugging is
> enabled.
>
> While I can see a value in doing that always, IMO such a change should only be
> made after a big announcement.

I agree that we were aggressive in shipping this checking in 2.6.28-rc.

The checking has no functional effect, except to issue a console warning,
so I figured it had limited down-side.

It actually paid off almost immediately by pointing out why
a Linux bug was provoked on jejb's test box.

I had figured on making it CONFIG_ACPI_DEBUG for the
final release, but at this point we've seen only the
_BIF and _WAK warnings -- and they're both dealt with
via the patches queued for Linus.

So at this point, I'm inclined to keep this checking enabled in
2.6.28-final, independent of CONFIG_ACPI_DEBUG.

-Len





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