Messages in this thread | | | Date | Thu, 20 Dec 2007 16:02:03 -0800 | From | Andrew Morton <> | Subject | Re: Linux 2.6.24-rc5 x86 architecture no longer Oopses... |
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On Fri, 21 Dec 2007 00:47:59 +0100 Ingo Molnar <mingo@elte.hu> 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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