acpi_resource bug?

Jung-uk Kim jkim at FreeBSD.org
Mon Feb 14 19:16:30 UTC 2011


On Monday 14 February 2011 01:40 pm, Jung-uk Kim wrote:
> On Monday 14 February 2011 10:37 am, Michael Butler wrote:
> > On 02/14/11 10:29, Matthew Fleming wrote:
> > >>> 1) should the length of the bcopy() be changed to either
> > >>> respect res->Length or the actual length of the
> > >>> ACPI_RESOURCE_DATA for the type?
> > >>
> > >> It should just use res->Length:
> > >
> > > Is there a guarantee that res->Length is <=
> > > sizeof(ACPI_RESOURCE) ?
> >
> > I don't know if it's related or a different bug ..
> >
> > If I run 'acpidump -t', I get a core-dump and ..
> >
> >  [ .. snip .. ]
> >
> > /*
> >   MCFG: Length=60, Revision=1, Checksum=74,
> >         OEMID=INTEL, OEM Table ID=CALISTGA, OEM
> > Revision=0x6040000, Creator ID=LOHR, Creator Revision=0x5a
> >
> >         Base Address=0x00000000e0000000
> >         Segment Group=0x0000
> >         Start Bus=0
> >         End Bus=255
> >  */
> > /*
> >   TCPA: Length=50, Revision=1, Checksum=153,
> >         OEMID=PTLTD, OEM Table ID=CALISTGA, OEM
> > Revision=0x6040000, Creator ID= PTL, Creator Revision=0x1
> >         Class 0 Base Address 0x0 Length 65536
> >
> >         -268370093 0xc3e200f053ff00f053ff00f054ff00f0de9100f0
> > [<unknown 0xf000ff53>]
>
> No, I don't think it is not related.  Our acpidump(8) has its own
> table parser.

A terrible typo, sorry.  I meant it is not related and our TCPA table 
parser seems incomplete.

Jung-uk Kim


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