Forgot to mention that each of my linux PV guest has 512 MB memory while
each of my linux HVM guest has 1024 MB memory.

-- 
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
My Secondary Blog: http://enmingteo.wordpress.com
My Youtube videos: http://www.youtube.com/user/enmingteo
Email: space.time.universe@gmail.com
Mobile Phone (Starhub Prepaid): +65-8369-2618
Street: Bedok Reservoir Road
Country: Singapore

On Sun, Nov 8, 2009 at 7:45 PM, Mr. Teo En Ming (Zhang Enming) <
space.time.universe@gmail.com> 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.
>
> --
> 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
> My Secondary Blog: http://enmingteo.wordpress.com
> My Youtube videos: http://www.youtube.com/user/enmingteo
> Email: space.time.universe@gmail.com
> Mobile Phone (Starhub Prepaid): +65-8369-2618
> Street: Bedok Reservoir Road
> Country: Singapore
>