Re: APM & Linux 2.2.1
Richard Gooch (rgooch@atnf.csiro.au)
Sun, 21 Feb 1999 18:51:21 +1100
Stephen Rothwell writes:
> Hi Terry,
>
> "Terry Katz" <katz@advanced.org> writes:
> > I run debian, and whenever I shutdown, the system does not turn off. The
> > last message on the screen is "Power off", and then the system just sits
> > there (as with a normal halt). I have a Tyan tiger100 m/b, SMP, and I know
> > it supports power-off ;) ( and I have the power-off option enabled in the
> > kernel ... )
> >
> > Any ideas? I know that some apm stuff isn't good to use with SMP .. could
> > that be the reason ?
>
> Yes. APM is disabled in SMP mode (which is what the boot messsages tell
> you ... )
>
> If you pass apm=smp-power-off, the power off might work (but the rest
> os the APM stuff remains disabled as it is not SMP safe). I have had
> differing reports.
I've experienced the same problem. I passed "apm=smp-power-off" and
even hacked the kernel to printk when the relevant bit of code
executes, just to be sure it was being reached (which it was). Still
no luck.
A couple of months ago I booted a UP kernel and the power off worked.
Regards,
Richard....
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