On Wed, Jul 14, 2010 at 1:49 PM, Dominik Zyla <gavroche@xxxxxxxxxxx> wrote:
> On Wed, Jul 14, 2010 at 12:32:12PM -0500, David Dyer-Bennet wrote:
>> I'm installing Centos 5.5 on a new Dell R301 server. I wanted to run Xen
>> and have the full virtualization possibilities (this is our development
>> support server, so it runs a few real services and is available for
>> playing with things; putting the "playing with things" functions into
>> virtual servers would protect the "few real services", and make it easier
>> to clean up afterwards).
>>
>> I have enabled virtualization support in the BIOS.
>>
>> /proc/cpuinfo says I have
>> model name : Intel(R) Xeon(R) CPU X3450 @ 2.67GHz
>>
>> and
>>
>> flags : fpu tsc msr pae cx8 apic mtrr cmov pat clflush acpi mmx
>> fxsr sse sse2 ss ht syscall nx lm constant_tsc ida pni est ssse3 cx16
>> sse4_1 sse4_2 popcnt lahf_lm
>>
>> The "vmx" flag doesn't appear to be set.
>>
>> (I'm working from
>> <http://www.centos.org/docs/5/html/Virtualization-en-US/ch-op-sys-support.html>,
>> by the way; I note that document is from 2007 or maybe even 2006, so
>> perhaps some things aren't fully up-to-date.)
>>
>> So, does that mean my Xeon-based server doesn't have hardware
>> virtualization assistance?
>
> It loks like X3450 has no VMX instructions.
>
> --
> Dominik Zyla
You might need to go into the BIOS and enable VT extensions. Many
systems ship with them disabled.
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