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From Anthony Xu <Xuefei...@citrix.com>
Subject RE: VM's freezing up
Date Thu, 10 May 2012 01:15:25 GMT
In CloudStack, no CPU topology is passed to VM, so one vCPU is one CPU socket for VM.
Windows 2008 R2 VM do have limitation on CPU socket number, how many vcpu did you assign to
VM?  How many CPU sockets does your windows VM support?

Anthony

> -----Original Message-----
> From: Marlon Davids [mailto:mdavids@umbee.co.uk]
> Sent: Wednesday, May 09, 2012 6:10 PM
> To: cloudstack-dev@incubator.apache.org
> Subject: RE: VM's freezing up
> 
> Hey Anthony,
> 
>  I see this behaviour on Windows 2008 R2 VM's. I have turned off C
> state already but still seeing the same issue.
> 
> I honestly don’t recall seeing turbo mode in the bios but I'll take
> another look.
> 
> Kind Regards,
> Marlon Davids
> 
> .......................................................................
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> -----Original Message-----
> From: Anthony Xu [mailto:Xuefei.Xu@citrix.com]
> Sent: 10 May 2012 02:04
> To: cloudstack-dev@incubator.apache.org
> Subject: RE: VM's freezing up
> 
> I saw this issue with ubuntu guest OS, upgrading to latest kernel for
> that release can fix this issue.
> Can you provide more information about the VM?
> 
> Or it may be caused by advanced cpu C state or turbo mode, you may need
> to turn off C state or limit it to C2 and turn off turbo mode in BIOS.
> 
> 
> 
> Anthony
> 
> 
> 
> From: Marlon Davids [mailto:mdavids@umbee.co.uk]
> Sent: Wednesday, May 09, 2012 5:56 PM
> To: cloudstack-dev@incubator.apache.org
> Subject: VM's freezing up
> 
> Hello,
> 
> I'm seeing some issues with VM's freezing when we assign more than
> 1vCPU in service offering in Cloudstack.
> 
> At first glance it looks like it's a Xenserver issue but I thought I
> would see if anyone has come across this before.
> 
> Software = Xenserver 5.6 SP2
> Host = HP DL360 G6 2x E5505 2.0Ghz 72GB RAM all the bios tweaks done.
> 
> Kind Regards,
> Marlon Davids
> 
> .......................................................................
> .......................
> P: +44 (0)845 619 7444 | M: +44 (0)7827 333 583  E:
> mdavids@umbee.co.uk<mailto:mdavids@umbee.co.uk>
> .......................................................................
> .......................
> W: www.umbeehosting.co.uk<http://www.umbeehosting.co.uk/> Managed
> Hosting Specialists.
> .......................................................................
> .......................
> 
> [cid:image001.png@01CD2E50.02178690]
> Umbee Ltd, TMS House, Cray Avenue, Orpington, Kent, BR5 3QB Company
> Registration Number. 06954604. VAT Registration Number 977446172
> 
> This e-mail and the information it contains are confidential.
> If you have received this e-mail in error please notify the sender
> immediately.
> You should not copy it for any purpose or disclose its contents to any
> other person.
> The contents of this e-mail do not necessarily reflect the views of the
> company.
> E&OE
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> P Please consider the environment before printing this email

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