Re: 2.5.69-mm5: reverting i8259-shutdown.patch

Felipe Alfaro Solana (felipe_alfaro@linuxmail.org)
15 May 2003 14:02:35 +0200


On Thu, 2003-05-15 at 05:00, Patrick Mochel wrote:
> On Wed, 14 May 2003, Zwane Mwaikambo wrote:
>
> > On Wed, 14 May 2003, Patrick Mochel wrote:
> >
> > > Interesting. This is yet more proof that system-level devices cannot be
> > > treated as common, everyday devices. Sure, it's nice to see them show up
> > > in sysfs with little overhead, and very nice not to have to work about
> > > them during shutdown or power transitions. But there are just too many
> > > special cases (like getting the ordering right ;) that you have to worry
> > > about.
> > >
> > > So, what do we do with them?
> >
> > Does the PIC shutdown callback get called _just_ before acpi_power_off?
>
> It may or may not be. It depends on which order it gets registered in,
> which is arbitrary (*). One can enable DEBUG in drivers/base/power.c and
> crank up the console log level to see the order that devices get shutdown
> in on their system.

OK, I've changed "#undef DEBUG" to "#define DEBUG" in
drivers/base/power.c, but during shutdown, I can see no extra debug
messages. What am I doing wrong?

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