Re: AMD 780G chipset major issues 1/3 (ata, ataati)

From: Jung-uk Kim <jkim_at_FreeBSD.org>
Date: Tue, 7 Apr 2009 17:57:03 -0400
On Tuesday 07 April 2009 05:02 pm, Diego Depaoli wrote:
> On Tue, Apr 7, 2009 at 10:12 PM, Alexander Motin <mav_at_freebsd.org> 
wrote:
> > Kurt Jaeger wrote:
> >>>> 2 -> with ataati loaded as module
> >>
> >> [...]
> >>
> >>>> ad4: 305245MB <SAMSUNG HD321KJ CP100-11> at ata2-master
> >>>> SATA300 ad6: 305245MB <SAMSUNG HD321KJ CP100-12> at
> >>>> ata3-master SATA300
> >>>>
> >>>> my sata disks are right, but ata1 and acd0 vanished
> >>>
> >>> Is your DVD drive SATA or PATA?
>
> It's PATA
>
> >>Can you boot with verbose messages
> >>
> >>> enabled?
>
> yes, it's here
> http://pastebin.com/m6fae60ce

I have a similar board and it seems to share the broken ACPI DSDT.  
See the following Linux PR for example:

https://bugzilla.novell.com/show_bug.cgi?id=345124

Basically, big chunks of DSDT are being ignored because it does not 
comply with ACPI specification 2.0+ but it is okay with M$ OSes, aka 
"executable code at module level" bug:

http://www.acpica.org/bugzilla/show_bug.cgi?id=762

I believe the DSDT was almost unmodified from original BIOS for AMD 
CAT2 reference platform.  Actually, I have given up on fixing it 
myself because I couldn't find enough information about the board and 
chipset. :-(

Jung-uk Kim
Received on Tue Apr 07 2009 - 19:57:21 UTC

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