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Re: [Xen-devel] domain id number on xen unstable

To: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] domain id number on xen unstable
From: Andrew Lyon <andrew.lyon@xxxxxxxxx>
Date: Mon, 9 Mar 2009 11:07:44 +0000
Cc: James Harper <james.harper@xxxxxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Venefax <venefax@xxxxxxxxx>
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On Mon, Mar 9, 2009 at 11:06 AM, Keir Fraser <keir.fraser@xxxxxxxxxxxxx> wrote:
> On 09/03/2009 11:01, "Keir Fraser" <keir.fraser@xxxxxxxxxxxxx> wrote:
>>>> What Dom0 kernel are you actually running? I spent ages tracking down a
>>>> problem that didn't seem to be affecting anyone else but it turned out to 
>>>> be
>>>> a bug in the linux Dom0 kernel.
>>> The latest from http://xenbits.xensource.com/ext/linux-2.6.27-xen.hg
>> Yeah, that has the bug. Probably you have (dom0-cpus 1) or similar in your
>> xend-config.sxp? I will check in the fix to the 2.6.27 tree.

I dont.

xend-config.sxp:# In SMP system, dom0 will use dom0-cpus # of CPUS
xend-config.sxp:# If dom0-cpus = 0, dom0 will take all cpus available
xend-config.sxp:(dom0-cpus 0)

>> Venefax: I'm pretty sure that the fix I will port across will fix the issue
>> for dom0-cpus set to any value, even 1.
> Now applied to http://xenbits.xensource.com/ext/linux-2.6.27-xen.hg as
> changeset 1. Thanks James for catching this!
>  -- Keir

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