linux-kernel - Re: 2.6.33-rc2: Xen/Guest switching to user mode with no user page tables

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Date:	Tue, 5 Jan 2010 19:48:02 -0800 (PST)
From:	Christian Kujau <lists@...dbynature.de>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
cc:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: 2.6.33-rc2: Xen/Guest switching to user mode with no user page
 tables

On Wed, 6 Jan 2010 at 14:38, Jeremy Fitzhardinge wrote:
> *Really* weird.  No idea how it could get into that state...  I've never seen
> this message before, even during development.

I've seen it only once in the xen-devel archives, but couldn't make any 
relation to my case:

http://lists.xensource.com/archives/html/xen-devel/2008-02/msg00861.html

> I'd suspect either a compiler
> bug, a miscompile, or some bad interaction with another patch.  A bisection
> would be useful.

OK, will do.

> > The Dom0 is running a 2.6.24-24-xen Ubuntu kernel amd I'm kinda reluctant
> > to upgrade, as I don't have a serial console to this MacMini, if things go

Just out of curiosity: will this be an issue in the near future? I'm 
trying to follow kernel development in my DomU, but can't upgrade Dom0 for 
quite a while, so kernel versions (DomU vs Dom0) will diverge more and 
more.

Thanks,
Christian,
-- 
BOFH excuse #74:

You're out of memory
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