CPU Utilization rise to 100%

[japansupport]

To angels

I am using a ESX 3.5 update1.

one day my VM's CPU utilization rise to 100%.

and i found following log from event log.

Could you tell me what's the meaning of following error message?

・2008/09/17 1:25:52

Message on mdcamn01 on mdcavm05s.mdcoc.local in MDC_BB: *** Virtual machine kernel stack fault (hardware reset) *** The virtual machine just suffered a stack fault in kernel mode. On a real computer, this would amount to a reset of the processor. It can be caused by an incorrect configuration of the virtual machine, a bug in the operating system, or a problem in the VMware ESX Server software. Press OK to reboot virtual machine or Cancel to shut it down.

・2008/09/21 0:13:12

Message on mdcamn01 on mdcavm06s.mdcoc.local in MDC_BB: *** Virtual machine kernel stack fault (hardware reset) *** The virtual machine just suffered a stack fault in kernel mode. On a real computer, this would amount to a reset of the processor. It can be caused by an incorrect configuration of the virtual machine, a bug in the operating system, or a problem in the VMware ESX Server software. Press OK to reboot virtual machine or Cancel to shut it down.

・2008/09/25 22:50:48

Message on mdcamn01 on mdcavm05s.mdcoc.local in MDC_BB: *** Virtual machine kernel stack fault (hardware reset) *** The virtual machine just suffered a stack fault in kernel mode. On a real computer, this would amount to a reset of the processor. It can be caused by an incorrect configuration of the virtual machine, a bug in the operating system, or a problem in the VMware ESX Server software. Press OK to reboot virtual machine or Cancel to shut it down.

[paulkbeyer]

Hi,

What operating system is the Virtual Machine you're running? Is the operating system one that is supported in the Guest operating system list in ESX 3.5 Update 1 or are you trying to run something a little 'custom' ?

Regards

Paul.

[japansupport]

Hi paul

Thank you for your e-mail.

I am using a Windows2003 Server SE SP2.

Does this error message relate to Guest OS?

Best regards,

marvelerk

[paulkbeyer]

Hiya,

It could be both, as described in your error message

*"It can be caused by an incorrect configuration of the virtual machine,

a bug in the operating system, or a problem in the VMware ESX Server

software"*

So assuming you're running your ESX Server on hardware in the HCL and you're happy with that, I'd try for getting yourself 10 minutes downtime to upgrade the ESX host to U3 and blame it on the nasty security vulnerability that U3 fixes :- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4915

Sorry I've no direct answer for your problem, Hope someone else maybe able to be clearer in the meantime before you try U3.

Regards

Paul

[aldikan]

Hiya,

Check if your VMtools are installed correctly,

I might even try to re-install them,

As paulkbeyer suggested, I would plan to Update 3,

It fixed our high CPU usage spikes.

Alex