Re: problems getting SMP to work with vanilla 2.4.26

[Zack Brown <zbrown@tumblerings.org>]

Hi,

On Sun, Jul 04, 2004 at 09:23:05PM -0300, Marcelo Tosatti wrote:
> On Sun, Jul 04, 2004 at 11:14:38AM -0700, Zack Brown wrote:
> > Hi Marcelo, folks,
> > 
> > On Sun, Jul 04, 2004 at 11:13:36AM -0300, Marcelo Tosatti wrote:
> > > On Sat, Jul 03, 2004 at 07:05:43PM -0700, Zack Brown wrote:
> > > > Hi folks,
> > > > 
> > > > When booting vanilla 2.4.26 with SMP enabled, I get a lockup before the
> > > > boot sequence is completed. The same kernel with SMP disabled boots and runs
> > > > just fine. Both CPUs are detected by the system at bootup, before lilo takes
> > > > over. Here's the error as I wrote it down from the screen, followed by the
> > > > .config file:
> > > 
> > > I can't help much really. Tried CONFIG_ACPI_BOOT=n ? 
> > > 
> > I did a 'make dep' and 'make bzImage', and got the following error. It
> > looks like the kernel really wants that option enabled.
> 
> Hi Zack, 
> 
> Silly me, its not possible to compile SMP image without CONFIG_ACPI_BOOT (a lot of
> SMP detection code is linked to basic ACPI infrastructure).
> 
> Can you please try the nolapic/noapic boot options? They should disable the APIC, and
> if APIC is the "root" of your crashes, we will find out that way.
> 
> Sorry for the noise.

It turns out I tried 2.6.6 and got it working. Thanks for the help though!

I'm assuming the 2.4 thing is probably just a configuration problem at my
end, and not an actual kernel bug. If you think it might be a real bug,
I'm happy to keep trying other stuff to root it out.

Many thanks!
Zack

-- 
Zack Brown