From mboxrd@z Thu Jan  1 00:00:00 1970
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Date: Tue, 30 Sep 2008 10:45:44 -0400
From: "Steven A. Falco" <sfalco@domain.hid>
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Subject: Re: [Xenomai-help] Oops with ifconfig on Sequioa AMCC 440EPX board
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To: "Steven A. Falco" <sfalco@domain.hid>
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Steven A. Falco wrote:
> Philippe Gerum wrote:
>> Wolfgang Grandegger wrote:
>>> Hello,
>>>
>>> I get the following Oops with a Xenomai patch kernel when configuring
>>> the EEPRO100 on the PCI slot:
> ...
>>> Any idea where the problem could be?
>>>
>> As you pointed out, there was an issue with cascaded UICs. The following patch
>> should fix it (will be merged in the upcoming 2.2-05):
> 
> Thanks!  The patch does indeed fix it.  One comment, though.  I had
> turned on spinlock debugging as well as adding your patch.  That
> combination produces the bugs below.  Once I turn off spinlock
> debugging (with the patch still included), then things work properly.
> 
> So, I don't know if this bug is totally unrelated to Ipipe.  I'll
> investigate and post again with the results.
> 
> 	Steve
> 
> 

Turns out the spinlock bug is totally unrelated to Ipipe, as per the following:

http://kerneltrap.org/mailarchive/linux-netdev/2008/8/13/2926664/thread

So, I believe your patch completely fixes the issue I initially reported.

	Thanks,
	Steve