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

from [Jia Rao] [Permanent Link][Original]
To: Andreas Kinzler <ml-xen-users@xxxxxx>
Subject: [Xen-devel] Re: [Xen-users] dom0 hangs in xen 4.0.1-rc3-pre
From: Jia Rao <rickenrao@xxxxxxxxx>
Date: Sat, 25 Sep 2010 21:12:09 -0400
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, xen-users@xxxxxxxxxxxxxxxxxxx
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Hi Andreas,

FYI.
Server Model: Dell PowerEdge 1950 III
Motherboard: do not actually know.
CPU: Intel Xeon E5450
Hard drive controller: No RAID. SAS 6/i R integrated controller.

Thanks.

On Sat, Sep 25, 2010 at 8:12 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.

Regards Andreas

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