[Xen-users] Re: VT not recognized on Intel Xeon 5130

[Ralph Gauges <ralph.gauges@xxxxxxxxxxxxxxxxxxxx>]

OK. Last mail hopefully.
Somehow I solved the problem or rather the problem solved itself and I 
don't really understand it.
I downloaded a processor identification tool from intel which confirmed 
that the processors do have the VT extension just to be sure.
I also downloaded a live CD with 3.0.3 on it. Since the one from the Xen 
downloads always stopped downloading after 1M, I got a Xennopix DVD 
which also features Xen 3.0.3.
I booted from the DVD and ran one of my configurations which had always 
failed so far and it worked. Next I rebooted into Debian on the Server 
again and started the same configuration and it suddenly also worked. I 
have absolutely no clue why this should be the case, but there it is. I 
have rebootet this machine at least 20 times today and tried to run the 
configuration at least 10 times and it failed each time telling me that 
VT was not available and all of a sudden it works without me changing 
anything.
I guess I will just have to accept it and I am glad it works, but I 
really wish I could understand this.
Thanks again

Ralph



Bill Davidsen wrote:
> Ralph Gauges wrote:
> > Hi,
> >
> > I am currently trying to create a DomU to run an unmodified Linux 
> > Distro Installer from CD. So far I have managed to get Xen 3.0.3 
> > running on Debian Etch and I have created a configuration to run the 
> > installer in a new virtual machine.
> > Now whenever I try to create the virtual machine with "xm create" I 
> > get the following error message:
> > Error: HVM guest support is unavailable: is VT/AMD-V supported by 
> > your CPU and enabled in your BIOS?
> > OK. This error message is rather obvious and actually the first time 
> > it was right, VT was disabled in the BIOS, so I went and enabled VT 
> > in the BIOS, but still when I try to create the virtual machine I get 
> > this error message.
> > Can anybody give me some hint as to why Xen will not recognize VT 
> > support?
> > Do I have to recompile xen after enabling VT in the BIOS? Or is the 
> > Xeon 5130 just not supported in Xen 3.0.3 yet?
> Could you post /proc/cpuinfo and the ACPI lines of dmesg?

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