[Xen-users] RE: [Xen-devel] A problem with Intel VT / XEN3

["Matt Anger \(manger\)" <manger@xxxxxxxxx>]

I think you need Xen 3.03 for support of HVM domains.

 

Matt

---

From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Mohamed Zohny
Sent: Wednesday, November 08, 2006 12:17 AM
To: xen-users
Subject: [Xen-devel] A problem with Intel VT / XEN3

Hi all
We have an issue about xen. We test XEN 3 on an Intel VT machine (Dual-Core Intel® Xeon® Processor 5100 Series), on SUSE Linux Enterprise Server 10.
After we boot from the XEN kernel, we started to configure a new Microsoft Windows guest machine by selecting Full Virtualization in YaST. After completing configuration using YaST and try to start the guest machine, An error message:

"Not an HVM capable platform, we stop creating!"

knowing that VT is enabled in BIOS.
We tried to do some test to check if VT is enabled:

# xm dmesg|grep VMX

(XEN) VMX disabled by Feature Control MSR.
(XEN) VMX disabled by Feature Control MSR.
(XEN) VMX disabled by Feature Control MSR.
(XEN) VMX disabled by Feature Control MSR.

--
#xm info

host                   : linux-oo1w
release                : 2.6.16.21-0.8-xen
version                : #1 SMP Mon Jul 3 18:25:39 UTC 2006
machine                : x86_64
nr_cpus                : 4
nr_nodes               : 1
sockets_per_node       : 2
cores_per_socket       : 2
threads_per_core       : 1
cpu_mhz                : 1995
hw_caps                : bfebfbff:20100800:00000000:00000140:0004e33d:00000000:00000001
total_memory           : 1018
free_memory            : 61
max_free_memory        : 794
xen_major              : 3
xen_minor              : 0
xen_extra              : .2_09749-0.4
xen_caps               : xen-3.0-x86_64
platform_params        : virt_start=0xffff800000000000
xen_changeset          : 09749
cc_compiler            : gcc version 4.1.0 (SUSE Linux)
cc_compile_by          : abuild
cc_compile_domain      : suse.de
cc_compile_date        : Mon Jul  3 19:14:47 UTC 2006

--
#cat /etc/SUSE-release

SUSE Linux Enterprise Server 10 (x86_64)
VERSION = 10

--
# uname -a

Linux linux-oo1w 2.6.16.21-0.8-xen #1 SMP Mon Jul 3 18:25:39 UTC 2006 x86_64 x86_64 x86_64 GNU/Linux
--
#rpm -qa|grep xenxen-libs-32bit-3.0.2_09749-0.4

xen-tools-3.0.2_09749-0.4
xen-tools-ioemu-3.0.2_09749-0.4
xen-libs-3.0.2_09749-0.4
kernel-xen-2.6.16.21-0.8
xen-3.0.2_09749-0.4
---

- Is the VT enabled by default in XEN kernel?
- If Not, Is there any method to enable VT in Kernel?

--
Mohamed Zohny <mohamad.zohny@xxxxxxxxx>
ValueSYS

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