Re: 2.6.3-rc2-mm1

[Anton Blanchard]

> This kernel and also 2.6.3-rc1-mm1 have a nasty bug which causes
> current->preempt_count to be decremented by one on each hard IRQ.  It
> manifests as a BUG() in the slab code early in boot.
> 
> Disabling CONFIG_DEBUG_SPINLOCK_SLEEP will fix this up.  Do not use this
> feature on ia32, for it is bust.

A few questions spring to mind. Like who wrote that dodgy patch? 
And any ideas how said person (who will remain nameless) broke ia32?

Anton
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