[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-users] Is there a method to check my machine support VT-d without checking bios

On Tue, Jan 22, 2013 at 10:26 PM, Nick Couchman <Nick.Couchman@xxxxxxxxx> wrote:
>>>> On 2013/01/21 at 19:45, lei yang <yanglei.fage@xxxxxxxxx> wrote:
>> Hi experts,
>> Is there a method to check my machine support VT-d without checking
>> bios, I want use a script or tool to get this
>> Lei
> Yes...if you look at the "xm dmesg" output, you should see one of the 
> following lines:
> (XEN) I/O virtualisation enabled
> or
> (XEN) I/O virtualisation disabled
> If you see the "disabled" version of the message, check your BIOS to see if 
> it just needs to be turned on.  Also, if you see disabled, grab the model 
> number of your CPU and check the CPU specs to see if the CPU support I/O 
> Virtualization.  I'm not sure about AMD, but Intel's site has very 
> easy-to-read specs for the CPUs that tell you about the various features they 
> support.

Does blow can prove it supports vt-d which mentioned in

        dmesg | grep -e DMAR -e IOMMU

     DMAR:DRHD base: 0x000000feb03000 flags: 0x0
     IOMMU feb03000: ver 1:0 cap c9008020e30260 ecap 1000

I'm not sure what output for no-vt-d intel board


> -Nick
> --------
> This e-mail may contain confidential and privileged material for the sole use 
> of the intended recipient.  If this email is not intended for you, or you are 
> not responsible for the delivery of this message to the intended recipient, 
> please note that this message may contain SEAKR Engineering (SEAKR) 
> Privileged/Proprietary Information.  In such a case, you are strictly 
> prohibited from downloading, photocopying, distributing or otherwise using 
> this message, its contents or attachments in any way.  If you have received 
> this message in error, please notify us immediately by replying to this 
> e-mail and delete the message from your mailbox.  Information contained in 
> this message that does not relate to the business of SEAKR is neither 
> endorsed by nor attributable to SEAKR.

Xen-users mailing list



Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.