Re: linux-next: Tree for June 13: IO APIC breakage on HP nx6325

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On Sunday, 29 of June 2008, Matthew Garrett wrote:
> On Sun, Jun 29, 2008 at 08:05:42PM +0100, Maciej W. Rozycki wrote:
> 
> >  It is the reverse -- checking the DSDT ID is coarser, matching all the
> > systems that use the broken firmware.  With DMI we may face both false
> > positives and false negatives which imply further maintenance actions.  
> > Please note as proved over the years understanding of these issues seems
> > to be problematic for people, so the result may be another round of
> > discussions reinventing the wheel in a couple of years' time or so.
> 
> The DSDT can't be updated without the BIOS being updated, and the DMI 
> information gives us a BIOS version string that can be matched against 
> if a fixed version is ever released. I'd be in favour of doing it with 
> DMI on the grounds that it's how we already handle machine-specific 
> quirks rather than adding new code to do it.

I violently agree.

Thanks,
Rafael
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