Re: amd64-agp vs. swsusp

Rafael J. Wysocki
2005-07-21T20:06:43Z

On Thursday, 21 of July 2005 17:24, Michal Schmidt wrote:
> Pavel Machek wrote:
> >>I'm trying to do something similar for x86_64. See the attached patch.
> >>Unfortunately, it doesn't help. The behaviour seems unchanged (resume
> >>still works iff amd64-agp wasn't loaded before suspend).
> >
> >
> > Are you sure problem is on level4_pgt? We probably use constant
> > level4_pgt but split pages at some deeper level. You may want try
> > saving 3rd-level table, instead.
>
> I'm not sure about that at all. That was just my attempt of cargocult
> programming :-)
> OK, I'll try saving the 3rd-level table. It'll take me some time to
> figure out how to do that, however :-)

I think the amd64-agp is the problem here. There are some memory mappings
that seem to require the hardware to be initialized before they can be used
safely (at least as far as I understand it).

Greets,
Rafael

--
- Would you tell me, please, which way I ought to go from here?
- That depends a good deal on where you want to get to.
-- Lewis Carroll "Alice's Adventures in Wonderland"