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Re: [Xen-devel] Xen 2.0 / XenLinux 2.6.9 oops in handle_mm_fault

To: "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>
Subject: Re: [Xen-devel] Xen 2.0 / XenLinux 2.6.9 oops in handle_mm_fault
From: Steven Hand <Steven.Hand@xxxxxxxxxxxx>
Date: Fri, 12 Nov 2004 09:02:51 +0000
Cc: "Chris Wedgwood" <cw@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxxx, Steven.Hand@xxxxxxxxxxxx
Delivery-date: Fri, 12 Nov 2004 09:02:52 +0000
Envelope-to: Steven.Hand@xxxxxxxxxxxx
In-reply-to: Message from "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx> of "Fri, 12 Nov 2004 08:19:04 GMT." <A95E2296287EAD4EB592B5DEEFCE0E9D122DC7@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
>> Using XenLinux 2.6.9 trying to do very minimal work in
>> domain0 (building a module to get networking up) I'm seeing
>> an oops in handle_mm_fault...  the full oops is visible at
>> (photo, serial console isn't working)
>> http://stupidest.org/xen2-crash2.png
>Very odd. Can you reproduce reliably? Are you using the real 2.0 rather
>than a release candidate?
>Did you compile your own kernel or use the supplied binaries? If the
>former, what compiler are you using?

Another common error is to forget to build the module with ARCH=xen 
(in which case all bets are off...)