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Re: [Xen-devel] experienced unstability

To: "jon.hart" <jon.hart@xxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] experienced unstability
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Tue, 21 Apr 2009 12:51:11 +0100
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On 21/04/2009 12:26, "jon.hart" <jon.hart@xxxxxx> wrote:

> If a domU crash happens all I can do is to destroy this guest because it
> is unaccessable in this state.
> My questions are: is there an other kernel tree I can try? What can I do
> to figure out what the problem is or to fix this?

You could try http://xenbits.xensource.com/linux-2.6.18-xen.hg in a domU and
see if that stabilises that particular domU. The bug looks possibly like a
spinlock deadlock within the domU kernel, or possibly a bug in the
paravirtualised spinlock implementation.

 -- Keir

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