[CentOS] Xen cpu requirements

Wed Jul 14 19:09:13 UTC 2010
Brian Mathis <brian.mathis at gmail.com>

On Wed, Jul 14, 2010 at 3:06 PM, David Dyer-Bennet <dd-b at dd-b.net> wrote:
> On Wed, July 14, 2010 13:07, Victor Padro wrote:
>> I own a Xeon X3430 & X3440 and both have vmx extensions so the X3450,
>> please recheck your BIOS config.
>> http://ark.intel.com/Product.aspx?id=42929
> The Intel page certainly says the X3450 has vt-x and vt-d.
> This system is a Dell Poweredge R310, if that helps anybody realize what's
> going on.
> Okay, boot has gotten me into the BIOS, let's see...
> Under 'processor settings' we've got 64-bit Yes, Logical Processor
> Enabled, Virtualization Technology Enabled, Execute Disable Enabled,
> Processor 1 Family-Model-Stepping 06-1E-5, and it says again it's an Intel
> Xeon X3450 @ 2.67GHz.
> I've looked in all the other BIOS categories, nothing vaguely related has
> turned up.  My past experience with DELL Poweredge (other models) has been
> that the BIOS has one setting for virtualization technology, which must
> indeed be enabled, but this one now is (and was when I installed the
> current Centos installation).
> Seeing the Intel confirmation that it's supposed to be there is helpful,
> though; it makes it easier to keep poking rather than giving up, since
> pretty clearly it's *supposed* to be here.
> The flags from /proc/cpuinfo after this reboot where I checked the
> virtualization setting in the bios are:
> 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
> David Dyer-Bennet, dd-b at dd-b.net; http://dd-b.net/

Are you checking the stats from inside the dom0 or a domU?  What's the
output of 'uname -a'?