Re: ACPI OSI disaster on latest HP laptops - critical temperature shutdown

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[yet another resend]

On Sat, 26 Jul 2008, Len Brown wrote:

> 
> 
> On Fri, 25 Jul 2008, Rafael J. Wysocki wrote:
> 
> > On Friday, 25 of July 2008, Thomas Renninger wrote:
> > > On Friday 25 July 2008 02:04:32 Len Brown wrote:
> > [--snip--]
> > > 
> > > Len, this is not about the thermal zone, it is just
> > > a real-world example of something I told you will happen
> > > if Linux stays _OSI transparent with Windows.
> > > 
> > > This is about that they have to provide a BIOS hot-fix for
> > > VISTA or VISTA SP and thus breaking Linux because there
> > > is no way to distinguish anymore.
> > > Windows 2007 likely will have that fixed and they provide
> > > a sane _CRT trip point again.
> > > This is an example of Windows versions workarounds that could
> > > get much more complex, like initializing HW differently or
> > > whatever.
> > > _OSI is used by vendors as a convenient possibility to
> > > adjust/workaround Windows bugs in their BIOSes, without
> > > the need to pay Millions to Microsoft to fix their things.
> > 
> > This is a valid point, IMO.
> > 
> > If vendors use _OSI(Windows) to work around Windows bugs, we get broken
> > automatically on those systems unless we put in some DMI-based hacks.
> 
> I belive that the AML Thomas shared does not
> illustrate a Vista bug workaround in a BIOS.
> Rather it is simply a BIOS bug that Vista doesn't catch.
> 
> -Len
> 
> 
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