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Re: [Xen-users] how to enable VT



Hi,

did you set iommu=1 in your grub-line? This should fix this problem.

Best regards,

Thomas

On Di, 2009-05-26 at 11:52 -0400, Steven wrote:
> It gives me
> # xm dmesg | grep -i vmx
> (XEN) CPU0: VMXON failed: perhaps because of TXT settings in your BIOS
> configuration?
> (XEN) VMX: failed to initialise.
> 
> I have set virtualization on during boot time. But it seems fail. Any
> suggestion? Thanks.
> 
> - Steven
> 
> 
> On Tue, May 26, 2009 at 11:49 AM, Nikita Lebedev <darth@xxxxxxxxxxxx> wrote:
> > Steven ÐÐÑÐÑ:
> >>
> >> Hi,
> >> I have a Dell opt 755 machine and installed Xen 3.3.1. The CPU is core
> >> 2 due E6550, which as the vmx flag. However, when I reboot the machine
> >> to xen 3.3.1. I can not find vmx in the /proc/cpuinfo. But vms appears
> >> in the kernel 2.6.29 (not xen kernel).
> >> Can anyone help on how to enable vt in this machine?
> >> Thanks.
> >>
> >> Steven
> >>
> >> _______________________________________________
> >> Xen-users mailing list
> >> Xen-users@xxxxxxxxxxxxxxxxxxx
> >> http://lists.xensource.com/xen-users
> >>
> >
> > AFAIK VMX flag doesn't appear in /proc/cpuinfo on Dom0. To check VMX state,
> > try
> > xm dmesg | grep -i vmx
> >
> > Nikita
> >
> 
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users


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