Re: 2.6.23-rc6-mm1: failure to boot on HP nx6325, no sound when booted, USB-related WARNING

From: Pavel Machek
Date: Wed Oct 17 2007 - 09:12:27 EST


On Fri 2007-09-21 10:06:15, Thomas Gleixner wrote:
> On Fri, 2007-09-21 at 14:51 +1000, Paul Mackerras wrote:
> > Linus Torvalds writes:
> >
> > > It would indeed be nice if we could just take CPU's down early (while
> > > everything is working), and run the whole suspend code with just one CPU,
> > > rather than having to worry about the ordering between CPU and device
> > > takedown.
> >
> > That is certainly what we want to do on powerpc.
>
> I would have expected that we do it exactly this way and it took me by
> surprise, that we do not.

Well, we used to do that, but acpi spec forbids that, and it means
userspace sees plugs/unplugs.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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