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Date: Wed, 24 Apr 2002 09:51:21 +0200 (SAST)
From: Zwane Mwaikambo <zwane@linux.realnet.co.sz>
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To: Huo Zhigang <zghuo@gatekeeper.ncic.ac.cn>
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On Wed, 24 Apr 2002, Huo Zhigang wrote:

>   Hi, all.
>   My cluster go wrong these days. So many times when I "/sbin/reboot" a node, the following message will be displayed on the console.
> 
> >INIT: Switching to runlevel: 6
> >INIT: Send processes the TERM signal
> >Unable to handle kernel NULL pointer dereference
>   
>   What's wrong with my machines?  They are all running linux-2.2.18(SMP-supported) with a kernel module which is a driver of Myricom NIC M3S-PCI64C-2 written by my group.
>   Thank you in advance 8-)
>   
>             Zhigang Huo
>             zghuo@ncic.ac.cn

Have you tried decoding the oops? Have a look at  
linux/Documentation/oops-tracing.txt

	Zwane

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