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Subject: Re: BUG: using smp_processor_id() in preemptible [00000001] code:
	hotplug/461
From: Arjan van de Ven <arjan@infradead.org>
To: Knut J Bjuland <knutjbj@online.no>
Cc: rml@tech9.net, kpreempt-tech@lists.sourceforge.net,
       linux-kernel@vger.kernel.org
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Date: Thu, 10 Mar 2005 14:17:13 +0100
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On Thu, 2005-03-10 at 13:55 +0100, Knut J Bjuland wrote:
>  caller is arch_add_exec_range+0x49/0x6a
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> 
> When booting linux 2.6.11 with preemetable enable I get BUG: using 
> smp_processor_id() in preemptible [00000001] code: hotplug/461caller is 
> arch_add_exec_range+0x49/0x6a
> when I load the kernel. I get this error messeage before loading xorg 
> ,and the kernel is untained.


that function isn't in kernel.org kernels... but only in the Exec Shield
patch series.. sounds like you have a misapplied patch somewhere...