Re: [coreboot] ACPI Errors on Lenovo X201i

[Patrick Rudolph]

Hi Matthias,
The dsdt.dsl is a static file, generated at build time. The ssdt.dsl is generated at each boot.
Is there a HBDC in the ssdt.dsl  under the same scope ?
Regards Patrick

Am 14. Juli 2018 00:08:09 MESZ schrieb Matthias Gazzari :
> Hi Patrick,
>
> I built with the current origin/master, so the Nehalem fix
> https://review.coreboot.org/#/c/coreboot/+/26287/ is already included.
> I
> see "ACPI:    * H8" and have the following mentions of HBDC inside the
> dsdt.dsl:
>
> External (HBDC, IntObj)
>
> and
>
> Method (GBDC, 0, NotSerialized)
> {
>    If (HBDC)
>    {
>    	Local0 = One
>    	If (BTEB)
>    	{
>    		Local0 |= 0x02
>    	}
> Local0 |= 0x04
> Return (Local0)
>
> }
>    Else
>    {
>    	Return (Zero)
>    }
> }
>
> Method (SBDC, 1, NotSerialized)
> {
>    If (HBDC)
>    {
>    	Local0 = ((Arg0 & 0x02) >> One)
>    	BTEB = Local0
>    }
> }
>
> Hope that helps.
>
> Cheers,
> Matthias
>
> On 13/07/18 23:41, Patrick Rudolph wrote:
> > Hi Matthias,
> > It looks like the Ssdt generator on x201/nehalem doesn't work as
>
> expected.
> > It was broken and has been fixed in commit
>
> https://review.coreboot.org/#/c/coreboot/+/26287/
> > Do you see "ACPI:    * H8" in coreboot console log ?
> > Do you see any HBDC method in disassembled ACPI ?
> > Regards Patrick
> >
> > Am 13. Juli 2018 22:46:12 MESZ schrieb Matthias Gazzari
>
> :
> > > Hello,
> > >
> > > commit f1114d891865e70ae1f2ba58844fec11d055ae3a (ec/lenovo/h8/acpi:
>
> Add
> > > BDC interface) introduces the following ACPI errors on the Lenovo
> > > X201i:
> > >
> > > ACPI BIOS Error (bug): Could not resolve [_SB.EC.HKEY],
>
> AE_NOT_FOUND
> > > (20180313/dswload2-160)
> > > ACPI Error: AE_NOT_FOUND, During name lookup/catalog
> > > (20180313/psobject-221)
> > > ACPI Error: Ignore error and continue table load
> > > (20180313/psobject-604)
> > > ACPI Error: Skipping Scope block (20180313/psloop-532)
> > >
> > > and
> > >
> > > ACPI BIOS Error (bug): Could not resolve
> > > [_SB.PCI0.LPCB.EC.HKEY.GBDC.HBDC], AE_NOT_FOUND
>
> (20180313/psargs-330)
> > > ACPI Error: Method parse/execution failed
>
> _SB.PCI0.LPCB.EC.HKEY.GBDC,
> > > AE_NOT_FOUND (20180313/psparse-516)
> > >
> > > Do you have any idea on how to fix these issues?
> > >
> > > Cheers,
> > > Matthias