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Re: [Xen-devel] 2.6.37-rc1 mainline domU - BUG: unable to handle kernel

To: Bruce Edge <bruce.edge@xxxxxxxxx>
Subject: Re: [Xen-devel] 2.6.37-rc1 mainline domU - BUG: unable to handle kernel paging request
From: M A Young <m.a.young@xxxxxxxxxxxx>
Date: Wed, 10 Nov 2010 22:50:49 +0000 (GMT)
Cc: Jeremy Fitzhardinge <jeremy@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
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On Wed, 10 Nov 2010, Bruce Edge wrote:

This is a mainline 2.6.37-rc1 pvops domU on top of a xen-unstable build
22241 and xen/stable-2.6.32.x 2.6.32.24 pvops dom0.

The domU console output hung up prior to spitting out a prompt post root
login. I logged into the domU via ssh and ran an 'ls' of an NFS mounted dir
and
this immediately came out on the domU console:

[  480.467525] BUG: unable to handle kernel paging request at
ffff880077e9f030
[  480.467547] IP: [<ffffffff810355f3>] ptep_set_access_flags+0x27/0x4d

I had a very similar crash, that I reported earlier http://lists.xensource.com/archives/html/xen-devel/2010-10/msg01647.html
But this was in a 2.6.37 dom0 kernel when trying to start a guest.

        Michael Young
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