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Is there any decent (preferably free) CPU diagnostic software out there? It would need to be either *nix compatible or bootable because this is an ESXi server, and does not run Windows or a proper GUI. The only one I know of is the Geek Squad MRI, however, it's technically a "trade secret" so I can't use that at my place of business.

Any suggestions would be greatly appreciated.

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What are you trying to diagnose? What CPU - and why are you certain that the problem is in the CPU? What vendor is the server from? – mfinni Sep 26 '11 at 15:13
It is a Dell Poweredge T410, with two Xeon processors (either 5500 or 5600, not sure at the moment). vSphere is reporting the following alert: Processor 1 Status 0: IERR Assert – Alexander Miles Sep 26 '11 at 16:10

If you've got a support contract (and for any production server hardware, you really should), call Dell. This sounds like it might be related :

So, it sounds like it might be a known issue. They may also want you to run diags, so you may want to download and run the Dell PowerEdge Diagnostics pre-emptively.

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No support contract AFAIK, this is good to know that this is something Dell may be able to further assist on. I will post back with what I find out. – Alexander Miles Sep 29 '11 at 14:02

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