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[Xen-users] Re: [Xen-devel] Max. PV and HVM Guests
- To: Pasi Kärkkäinen <pasik@xxxxxx>
- From: "Mr. Teo En Ming (Zhang Enming)" <space.time.universe@xxxxxxxxx>
- Date: Mon, 9 Nov 2009 11:35:02 +0800
- Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, space.time.universe@xxxxxxxxx, xen-users@xxxxxxxxxxxxxxxxxxx
- Delivery-date: Sun, 08 Nov 2009 19:36:02 -0800
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Yes. I will try to see if there's a traceback.
--
Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics) BEng(Hons)(Mechanical Engineering)
Alma Maters:
(1) Singapore Polytechnic
(2) National University of Singapore
My Primary Blog: http://teo-en-ming-aka-zhang-enming.blogspot.com
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Email: space.time.universe@xxxxxxxxx
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On Sun, Nov 8, 2009 at 9:50 PM, Pasi Kärkkäinen <pasik@xxxxxx> wrote:
On Sun, Nov 08, 2009 at 07:45:01PM +0800, Mr. Teo En Ming (Zhang Enming) wrote:
> Hi,
>
> I have observed that there is a maximum limit to the number of PV or HVM
> virtual machines you can start before dom0 hangs or crashes.
>
> For Fedora 11 Linux x86-64 PV guests, dom0 will crash when I start the 7th
> instance. Max I can start is 6 without crashing.
>
> For CentOS 5.2 Linux x86-64 HVM guests, dom0 will crash when I start the
> 4th instance. Max I can start is 3 without crashing.
>
> I have 6 GB of DDR2-800 with Intel Pentium Dual Core E6300 2.8 GHz on
> Intel DQ45CB motherboard.
>
> Are the above limits reasonable considering the hardware specifications of
> my computer?
>
> I am using Xen 3.5-unstable changeset 20143 with pv-ops dom0 kernels
> 2.6.30-rc3, 2.6.31-rc6, 2.6.31.1, 2.6.31.4, and 2.6.31.5. My host
> operating system is Fedora 11 Linux x86-64.
>
Dom0 or Xen shouldn't crash for starting guests.
Sounds like a bug somewhere.
Any errors/tracebacks? Do you have serial console configured?
-- Pasi
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