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

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


> > > > 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?

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

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