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Re: [Xen-users] dom0 hangs in xen 4.0.1-rc3-pre

from [Bruce Edge] [Permanent Link][Original]
To: Andreas Kinzler <ml-xen-users@xxxxxx>
Subject: Re: [Xen-users] dom0 hangs in xen 4.0.1-rc3-pre
From: Bruce Edge <bruce.edge@xxxxxxxxx>
Date: Mon, 27 Sep 2010 07:06:26 -0700
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On Sat, Sep 25, 2010 at 5:12 AM, Andreas Kinzler <ml-xen-users@xxxxxx> wrote:
On 24.09.2010 06:22, Jia Rao wrote:
I saw reproducible hangs in dom0 when the system is under heavy load.
four dom0s share a nfs server for domU images. a total number of 24 domUs (6
domUs on each dom0). When the system under heavy load, busy processing
e-commerce requests, one or two of the dom0s hanged. no input can be
accepted and reboot is necessary.
Anyone had the same experience? The causes I can come up are following:

Please post your hardware (mainboard, chipset, CPU, RAID controller).
I have found a severe problem on Lynnfield systems.

Andreas,

Does this affect all Nehalem chips or only the�Lynnfields? The .21 kernel is causing grief for us too. �I was wondering if this was related.

-Bruce

Regards Andreas


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