Messages in this thread |  | | | Subject | RE: ACPI OSI disaster on latest HP laptops - critical temperature shutdown | | Date | Fri, 25 Jul 2008 15:19:24 -0700 | | From | "Moore, Robert" <> | |
The goal for ACPICA has gone from being a complete "reference
implementation" of the ACPI specification to being a "Windows
bug-for-bug compatible" ACPI implementation.
So when we report _OS("Microsoft Windows NT") and respond OK to all _OSI
queries with Microsoft strings, we mean it.
Bob
>-----Original Message----->From: Eric Piel [mailto:eric.piel@tremplin-utc.net]
>Sent: Friday, July 25, 2008 3:11 PM>To: Len Brown>Cc: Thomas Renninger; Arjan van de Ven; linux-acpi; Moore, Robert;
Linux
>Kernel Mailing List; Andi Kleen; Christian Kornacker
>Subject: Re: ACPI OSI disaster on latest HP laptops - critical
temperature
>shutdown>>Len Brown schreef:>> Thomas,>>>> re: OSI(Windows...)>>>> Linux will continue to claim OSI compatibility with Windows
>> until the day when the majority of Linux systems>> have passed a Linux compatibility test rather than>> a Windows compatibility test.>>>> Re: OSI(Linux)>>>> I've looked at O(100) DSDT's that look at OSI(Linux),
>> and all but serveral systems from two vendors do it by mistake.
>> They simply copied it from the bugged Intel reference code.
>>>> OSI(Linux) will _never_ be restored to Linux, ever.
>>>Just out of curiosity, let's imagine that today HP decides to fix its
>BIOS. What would be the way to do it? Of course, without putting
>additional problems when Windows is booted.>>What they would want is to provide workarounds for each given version
of
>Windows and provide a completely ACPI-compliant version when Linux is
>running. I fail to see how it is possible possible to do that today.
>Well... they could detect Linux by checking that several OSI's for
>Windows pass, but that would be really a nasty kludge.
>>So, am I understanding correctly that we are in a desperate need for a
>good OSI solution? Until then, we can only bash and complain at the
BIOS
>developers, but they have no way to fix the problems.
>>Eric
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