Re: [Xen-users] how to enable VT

[Steven <wangwangkang@xxxxxxxxx>]

Hi, Thomas,
Thanks for your comment. But it gives the same error message.
>> (XEN) CPU0: VMXON failed: perhaps because of TXT settings in your BIOS
>> configuration?
>> (XEN) VMX: failed to initialise.

Do you think this maybe the motherboard issue?



On Tue, May 26, 2009 at 11:58 AM, Thomas Halinka <lists@xxxxxxxxx> wrote:
> 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 пишет:
>> >>
>> >> 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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