[Users] Missing CPU features [CPU Name] [Wrong cpu identification]

[Martin Kletzander]

On 12/13/2012 03:27 PM, Itamar Heim wrote:
> On 12/13/2012 02:55 PM, Martin Kletzander wrote:
>> On 12/13/2012 01:14 PM, Pere G. Soria wrote:
>>> I added Host[gondor] to the oVirt Engine 3.1, after installing  all
>>> packages.
>>> Host gondor moved to Non-Operational state as host does not meet the
>>> cluster's minimum CPU level. Missing CPU features : model_Nehalem
>>>
>>> This Box is a Intel(R) Xeon(TM) CPU 3.00GHz  - Intel Nehalem Family -
>>> so I modified/added the caps.py (/usr/share/vdsm).
>>> Line 107-->   def _getCompatibleCpuModels():
>>>                return ["model_Nehalem"] (this is what i added).
>>>
>>> Now after restart de service the Host status remains UP.
>>>
>>> Can you report it?? To fix this.
>>>
>>
>> Do you have everything enabled in BIOS for the processor (AES, NX)?  I
>> don't understand what the "Missing CPU features : model_Nehalem"  should
>> mean, but if you check what features you have in /proc/cpuinfo, most
>> probably there will be something missing.
>>
> 
> martin - missing CPU feature: model_Nehalem means libvirt didn't report
> nehalem as a support cpu model for this machine.

Oh, OK, thanks for the info.  So I answered properly :)  Let's see if
we'll find out something from the /proc/cpuinfo.  It looks very similar
to those issues mentioned on the libvirt wiki [1] and others often
discussed, so I'm fairly sure that'll be the issue.

[1]
http://wiki.libvirt.org/page/Libvirt_identifies_host_processor_as_a_different_model_from_the_hardware_documentation