Re: Linux 2.6.24-rc5 x86 architecture no longer Oopses...

[Andrew Morton]

On Fri, 21 Dec 2007 00:47:59 +0100
Ingo Molnar <mingo@xxxxxxx> wrote:

> it needs to be found out why the preempt_count suddenly went to zero. Is 
> task struct corruption out of question?

Strictly we shouldn't care - we _know_ we've already hit a kernel bug and
who knows, perhaps that buggy code did an unbalanced preempt_disable().  So
make the oops code more robust.  

otoh, we don't want to be hiding a bug.  What piece of code guarantees that
we ender the oops code with preemption disabled?

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