Re: PROBLEM: ACPI crashes (2.6.2-rc2-mm1)

Nate Lawson
2004-01-31T00:06:22Z

On Thu, 29 Jan 2004, Pavel Machek wrote:
> > >>on 01/28/04 20:21, Georg C. F. Greve wrote:
> > >>>Suspending to disk (S4) suspends just fine. It also finds the file and
> > >>>reads the data back into active memory, as well. But when it comes to
> > >>>the message
> > >>>
> > >>> "Waiting for DMAs to settle down."
> > >>>
> > >>>the machine suddenly crashes (reboot).
> > >>
> > >>it seems the same on my M3N, I attached some mails I already sent to
> > >>this list, which solved the problem for S4, maybe you could give it a
> > >>try. IMHO is still an Intel 855GM problem.
> > >
> > > I agree with this. I see exactly the same behavior on my Gateway 200X, which
> > > has an Intel 855GM chipset. I'll try the suggestions from the appended emails
> > > later to see if they help.
> >
> > For the record: Several of us over on the swsusp list appear to have
> > rouchly the same problem: With some effort and fiddling (as described in
> > the previous mail), swsusp2 works for console and even from
> > unaccelerated X, but whenever DRI ang AGP is enabled it resume will
> > crash. Some of us think this is related to the agpgart rewrite for
> > 2.6.x, but our patching so far have not made any difference. There seem
> > to be resume code in the intel-agp plug which we have tried to duplicate
> > in sis-agp, but it appears not to be called during resume... Obviously,
> > I don't really know enough about how it is supposed to work so we are
> > just experimenting for now.
>
> Someone found that copying pages backwards helps for him. Very strange
> but you might want to try it.

That might indicate a cache configuration problem.

-Nate