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xen-users
Re: [Xen-users] Centos 5.5 Xen not showing vmx flag!!!
On Friday 03 September 2010 01:22:27 Rudi Ahlers wrote:
> On Thu, Sep 2, 2010 at 11:46 PM, Periko Support
>
> <pheriko.support@xxxxxxxxx>wrote:
> > Hi people.
> >
> > Hope some could help answering this thread.
> >
> > I have a new server supermicro X8DTE/X8DT6 with CPU Intel E5620 which
> > Intel say that has support for virtualization.
> >
> > The BIOS have this 2 options, just one was disable by default.
> >
> > Intel Virtualization Tech Enable Yes.
> > North bridge Chipset -> Intel VT-d enable.
> >
> > I have enable this 2 settings and follow the instructions to make this
> > change available.
> >
> > I have install Xen and reboot my server, I have been reading about Xen,
> > normally went u have a server where u want to virtualize u want to have
> > all the features available, well I try to see if my server have the right
> > flags for the Intel 'vmx' but I don't see that flag:
> >
> > Quote:
> >
> > processor : 0
> > vendor_id : GenuineIntel
> > cpu family : 6
> > model : 44
> > model name : Intel(R) Xeon(R) CPU E5620 @ 2.40GHz
> > stepping : 2
> > cpu MHz : 1600.000
> > cache size : 12288 KB
> > physical id : 0
> > siblings : 1
> > core id : 0
> > cpu cores : 1
> > fpu : yes
> > fpu_exception : yes
> > cpuid level : 11
> > wp : yes
> > flags : fpu tsc msr pae cx8 apic mtrr cmov pat clflush acpi mmx fxsr sse
> > sse2 ss ht syscall nx lm constant_tsc ida arat pni est ssse3 cx16 sse4_1
> > sse4_2 popcnt lahf_lm
> > bogomips : 5987.47
> > clflush size : 64
> > cache_alignment : 64
> > address sizes : 40 bits physical, 48 bits virtual
> > power management:
> >
> >
> > This server have 24GB ram, now let me show u dmidecode:
> >
> > Quote:
> >
> > Now, running dmidecode I have other info:
> > Processor Information
> > Socket Designation: CPU 2
> > Type: Central Processor
> > Family: Xeon
> > Manufacturer: Intel
> > ID: C2 06 02 00 FF FB EB BF
> > Signature: Type 0, Family 6, Model 44, Stepping 2
> > Flags:
> >
> > VME (Virtual mode extension)
> > PAE (Physical address extension)
> >
> > I just put here the part that took my attention.
> >
> >
> > Now let me show u hypervisor capabilities:
> >
> > Quote:
> >
> >
> > cat /sys/hypervisor/properties/capabilities
> > xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 hvm-3.0-x86_32p
> > hvm-3.0-x86_64
> >
> > This a new field for me, does this mean that my server have the
> > capabilities but I cannot use them?
> >
> > I a little confuse because I don't see the Quote:
> >
> > vmx
> >
> > flag.
> >
> > Thanks for your time.
> >
> > P.S. Xen 3.0.3.x
> >
> > _______________________________________________
> > Xen-users mailing list
> > Xen-users@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-users
>
> Your email was in my spambox, so I presume many other people will also have
> missed it.
>
> Did you switch the server off and on again after enabling the VT feature in
> the BIOS? Just rebooting the server won't work, you physically need to
> switch it off. Best is to pull out the power cable.
>
I concur. Had the same thing happening and to my surprise shutting it down
really helped.
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