Re: [Xen-devel] Xen & Transmeta (from xen-users)

["Carl Holtje ;021;vcsg6;" <cwh0803@xxxxxxxxxx>]

On Wed, 1 Jun 2005, Keir Fraser wrote:

> You are dying at line 479 in drivers/acpi/table.c. The reason is that
> you are dereferencing an ACPI header structure that should have been
> mapped using __acpi_map_table() (it's the call immediately above, at
> line 471).
>
> So, looks like for some reason __acpi_map_table isn't working properly
> for you which probably also means that set_fixmap isn't working
> properly. You'll need to add tracing to __acpi_map_table, and the
> functions that it calls to create the mapping, to find out where things
> are going wrong.

Ok.. so this may be a horribly basic question, but what does 'working
properly' look like -- I mean, how do I know if what I have is right or
wrong?

How do I go about verifying the functionality of set_fixmap and the
subsequent set_pte_phys calls?

It would appear that it locates the header high in the memory space (as it
should according to fixmap.h documentation), but there's nothing there for
the subsequent call where it tries to map the table (at least this is how
I understand it -- am I close?)

Thanks for your ongoing help!

Carl

- --

"There are 10 types of people in the world: Those who understand binary
and those that don't."


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