pmdisk working on ppc (WAS: Help port swsusp to ppc)

Pavel Machek pavel at ucw.cz
Tue Jan 27 21:47:01 EST 2004


Hi!

> > > > Ah, also: The "Freeing memory" phase takes forever. That should
> > > > really be fixed.
> > >
> > > Well, it does the trick for me, but it takes 50% or so of suspend
> > > time. Some memory managment guru making "freeing memory" faster would
> > > certainly be welcome.
> > > 								Pavel
> > > PS: But I'd like to keep it simple...
> >
> > Haven't looked at it yet. Several crash reports so far, mostly
> > lockups right after printing the number of pages to save. I wonder
> > if we have something broken in there. It dies for me once too at
> > this point.
>
> The PMU locking up with interrupts disabled, for me (Lombard, 400 MHz).
> Seems to happen more often on slow machines.
> Otherwise, it works (saving to the last swap partition if you try to
> specify which one to use; patch sent to Ben FWIW).

What is "PMU locking"? Is there some part of powermac harware that
kills machine if you sleep too long with interrupts disabled?

								Pavel
--
When do you have a heart between your knees?
[Johanka's followup: and *two* hearts?]

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