CONFIG_DEBUG_SLAB=y prevents kernel panic

[Ian Pilcher <i.pilcher-Wuw85uim5zDR7s880joybQ@public.gmane.org>]

I'm hoping someone can provide me with some pointers to help debug this
problem.

My system is an Abit VP6 with two 1GHz Pentium III processors, running
Red Hat Linux/Fedora Core.  One of the kernel updates to Red Hat 9
messed up APIC-based interrupt routing on this board, causing USB
devices to not be recognized.

(See https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=92417.)

So I was pretty happy when one of the Fedora core test releases was able
to boot with ACPI turned on and recognize USB devices.  Fedora Core 1,
however, panics when I boot with 'acpi=on'.  I have traced this
regression to the fact that CONFIG_DEBUG_SLAB was turned on in the test
release kernel, but it's off in the "production" kernel.

The question is, where do I go from here?  The help for
CONFIG_DEBUG_SLAB makes it seem unlikely that this is the root cause,
but I don't have any idea how I can debug this further.

TIA for any help.
-- 
========================================================================
Ian Pilcher                                        i.pilcher-Wuw85uim5zDR7s880joybQ@public.gmane.org
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