kvm: disabled by bios error

kvm: disabled by bios error

[David Shwatrz]

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Hello,
I tried to build kvm-21 on a dual core Intel machine (x86_64).
I **had** enabled virtualization in BIOS and rechecked it.
cat /proc/cpu shows the "vmx" in flag:

I run:
modprobe kvm
and it is OK.
modrobe kvm-intel
and I get , in the kernel log,
kvm: disabled by bios
and the kvm-intel module is NOT loaded.

Any ideas why ?

Regards,
Dan

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Re: kvm: disabled by bios error

[Jun Koi]

On 5/7/07, David Shwatrz <dshwatrz-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> Hello,
> I tried to build kvm-21 on a dual core Intel machine (x86_64).
> I **had** enabled virtualization in BIOS and rechecked it.
> cat /proc/cpu shows the "vmx" in flag:
>
> I run:
> modprobe kvm
>  and it is OK.
> modrobe kvm-intel
> and I get , in the kernel log,
> kvm: disabled by bios
> and the kvm-intel module is NOT loaded.
>

Your machine supports VT, but it is disabled in BIOS setup. So go to
BIOS setup and enable it.

However, some machines (like some Thinkpad x60) need to update BIOS to
be able to enable VT. Check to see if your machine falls into this
case.

Jun

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Re: kvm: disabled by bios error

[David Shwatrz]

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Thanks.
Sorry, but as I said: VT is enabled in bios. I had booted and rechecked it.
Any other ideas?
Ds


On 5/7/07, Jun Koi <junkoi2004-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
>
> On 5/7/07, David Shwatrz <dshwatrz-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> > Hello,
> > I tried to build kvm-21 on a dual core Intel machine (x86_64).
> > I **had** enabled virtualization in BIOS and rechecked it.
> > cat /proc/cpu shows the "vmx" in flag:
> >
> > I run:
> > modprobe kvm
> >  and it is OK.
> > modrobe kvm-intel
> > and I get , in the kernel log,
> > kvm: disabled by bios
> > and the kvm-intel module is NOT loaded.
> >
>
> Your machine supports VT, but it is disabled in BIOS setup. So go to
> BIOS setup and enable it.
>
> However, some machines (like some Thinkpad x60) need to update BIOS to
> be able to enable VT. Check to see if your machine falls into this
> case.
>
> Jun
>

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Re: kvm: disabled by bios error

[Avi Kivity]

David Shwatrz wrote:
> Thanks.
> Sorry, but as I said: VT is enabled in bios. I had booted and 
> rechecked it.
> Any other ideas?

Are you running a Xen kernel perhaps?

-- 
error compiling committee.c: too many arguments to function


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Re: kvm: disabled by bios error

[David Shwatrz]

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Avi,
I am not running xen kernel;

uname -a
Linux sbc32 2.6.21-rc7 #1 SMP Sun Apr 29 11:49:40 IDT 2007 x86_64 x86_64
x86_64 GNU/Linux

This is a kernel I built from source. (2.6.21-rc7) so I suppose it should be
ok.

Regards,
David S.

On 5/7/07, Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org> wrote:
>
> David Shwatrz wrote:
> > Thanks.
> > Sorry, but as I said: VT is enabled in bios. I had booted and
> > rechecked it.
> > Any other ideas?
>
> Are you running a Xen kernel perhaps?
>
> --
> error compiling committee.c: too many arguments to function
>
>

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Re: kvm: disabled by bios error

[Avi Kivity]

David Shwatrz wrote:
> Avi,
> I am not running xen kernel;
>
> uname -a
> Linux sbc32 2.6.21-rc7 #1 SMP Sun Apr 29 11:49:40 IDT 2007 x86_64 
> x86_64 x86_64 GNU/Linux
>
> This is a kernel I built from source. (2.6.21-rc7) so I suppose it 
> should be ok.
>

Maybe your bios is lying.  What is the machine vendor & model?  Is there 
a bios update?

-- 
error compiling committee.c: too many arguments to function


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Re: kvm: disabled by bios error

[Piero Ottuzzi]

Hi there,

I read in some HP forum that you need to remove the battery for some minutes 
after you setted the virtualization in BIOS.

Bye
Piero

Alle 11:03, lunedì 7 maggio 2007, David Shwatrz ha scritto:
> Hello,
> I tried to build kvm-21 on a dual core Intel machine (x86_64).
> I **had** enabled virtualization in BIOS and rechecked it.
> cat /proc/cpu shows the "vmx" in flag:
>
> I run:
> modprobe kvm
> and it is OK.
> modrobe kvm-intel
> and I get , in the kernel log,
> kvm: disabled by bios
> and the kvm-intel module is NOT loaded.
>
> Any ideas why ?
>
> Regards,
> Dan

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