Re: SMP on the MacBook

[Marco Gerards <mgerards@xs4all.nl>]

"Ian Pratt" <m+Ian.Pratt@cl.cam.ac.uk> writes:

>> > Marco,
>> > Have you tried -unstable? Some potentially relevant files have been
>> > updated.
>> 
>> Yes, unstable has the same problem.  Would you encourage development
>> in unstable or testing?
>
> I'd go for -unstable. In reality, the stability is usually rather good.

Sure.

>> > Also, exactly which version of Linux boots OK? Does 2.6.16 e.g. from
> the
>> > DemoCD?
>> 
>> I have not tested the DemoCD because it still contains an unpatched
>> GRUB.  Because of that it doesn't work with the Intel Mac.
>> 
>> But I have tried linux 2.6.16 (self compiled), which works perfectly.
>
> I might be worth trying the native kernel from the demo cd just to check
> it's not a kernel config issue, but I admit it's a bit of a long shot.

The problem is in Xen itself, if that is what you mean.  I was a bit
tired yesterday evening and for some reason I was thinking you meant a
normal linux kernel. :)

> Also, it might be good to test a similarly configed native 2.6.15/14/12
> to see if any of them fail in the same way as Xen -- that would give us
> a big clue.

I have been trying this, back to Linux 2.6.8.  I will play a bit more
with this, although it really looks like this being an ACPI related
issue, for some reason ACPI is being able to wakeup the second core
properly.

--
Marco