On Wed, 2007-03-07 at 15:02 +0100, Rainer Koenig wrote:
quoted text
> Hi there,
> 
> Environment:
> 
> Kernel is 2.6.16.27, arch x86_64 on a Dual Core AMD64 machine with
> 4 GB of RAM. Also involved is an Areca 1100 SATA RAID controller
> with the drives from the Tekram website. 
> 
> Problem: 
> 
> We get customer reports that a system stops with the following kernel
> messages (as they are submitted to us, we're not able yet to reproduce
> the problem in our laboratory :-( )

looks like a stack overflow or a random memory scribble to me.
Alternatively the stacktrace is entirely garbled, also a possibility.
I assume you checked there were no other external modules involved?
Also can the user use a much later version of the kernel (which has
areca merged and can enable lockdep debugging)?

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