[one-users] different virsh capabilities on nearly identical machines

[Sean Abbott]

New machine, I get kvm, but not kvm_intel.

On the old machine, I got both.  Hmm...

Ok, so the box knows what kvm_intel is...a "modprobe kvm_intel" yields:
FATAL: Error inserting kvm_intel
(/lib/modules/2.6.38-7.2.0.2-amd64-8993020/kernel/arch/x86/kvm/kvm-intel.ko):
Operation not supported

Just not sure what to do about that operation not supported...

It appears that for some reason the virtualization stuff might be
disabled in bios...I'll be checking that out.

Thanks!

sean

On 08/21/2012 11:37 AM, Jaime Melis wrote:
> Hi Sean,
>
> are the KVM modules loaded in the new machine? you should expect
> something like:
>
> $ lsmod|grep kvm
> kvm_intel             125165  0 
> kvm                   361546  1 kvm_intel
>
> cheers,
> Jaime
>
> On Tue, Aug 21, 2012 at 5:25 PM, Sean Abbott <seabbott at akamai.com
> <mailto:seabbott at akamai.com>> wrote:
>
>     So I have two instances of opennebula running libvirst/kvm.
>
>     They were both installed using identical methods (a bit of a black
>     box,
>     frankly) on slightly different hardware.
>
>     (one is "nephalem" intel, the other is "westmere".  That's the only
>     difference.)
>
>     in fact, an architecture check from a kernel standpoint seems to come
>     back identical.  (unless my understanding of uname -a is incomplete,
>     which seems likely)
>
>     Old machine:
>     Linux my.old.machine.com <http://my.old.machine.com>
>     2.6.38-7.2.0.2-amd64-8993020 #1 SMP Fri Dec 16
>     23:01:26 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux
>
>     New machine:
>     Linux my.new.machine.com <http://my.new.machine.com>
>     2.6.38-7.2.0.2-amd64-8993020 #1 SMP Fri Dec 16
>     23:01:26 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux
>
>     However, the capabilities in virsh are very different.  The new
>     machine
>     has i686 instead of x86_64,and it is missing the guest KVM domain
>     type.
>
>     Old capabilities: http://pastebin.com/EptdUYiG
>
>     New capabilities:  http://pastebin.com/pke4MGFJ
>
>     Two questions:
>
>     First, any idea why it might've come down differently.
>
>     Second, can it be fixed?  Can I try just copying the capabilities from
>     old to new?  Or something equally straightforward?
>
>     _______________________________________________
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>
>
>
>
> -- 
> Jaime Melis
> Project Engineer
> OpenNebula - The Open Source Toolkit for Cloud Computing
> www.OpenNebula.org <http://www.OpenNebula.org> | jmelis at opennebula.org
> <mailto:jmelis at opennebula.org>

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