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

  • To: Andreas Kinzler <ml-xen-users@xxxxxx>
  • From: Bruce Edge <bruce.edge@xxxxxxxxx>
  • Date: Mon, 27 Sep 2010 07:06:26 -0700
  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, xen-users@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Mon, 27 Sep 2010 07:08:00 -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.


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.


Regards Andreas

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