On Fri, 2007-03-02 at 11:07 +0100, Jurgen Kramer wrote:
Hi,

On Fri, 2007-03-02 at 14:42 +0800, Zhen Zhou wrote:
> Hi, lists,
> Now I dive the sea of xen, I took a Dell 2950 Server, install FC 6 i386 on it,
> I refer some documents about Xen:
> http://www.fedoraproject.org/wiki/FedoraXenQuickstartFC6
> So i checked as following:
> 1. check Intel VM for host CPU, it works, it showed me:
> flags           : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca
> cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm
> constant_tsc pni monitor ds_cpl vmx tm2 cx16 xtpr lahf_lm

I think VMX is what you are looking for here.

Yep - you have vmx in the flags section of /proc/cpuinfo so you've got the right cpu.
Running     xm dmesg | grep VMX  should confirm that Xen has picked up the support from the hardware. (Note some platforms have a flag to disabled this in the bios).

> 2. check hvm-??, then I have no luck. even I enable virtualization in BIOS.
> 
> so how could I enable fully-virtualizied  in this server? or should I
> install x86_64 for it?

If you are running 32-bit you should use the PAE kernel to be able to
use the VMX feature (AFAIK).

All the FC6 xen (and RHEL5) kernels are PAE enabled.
You should be running the xen kernel.

As for 64bit or 32bit that's a longer discussion. One factor in your decision is how much memory you have. x86_64 handles large memory installations.


> Because this server CPU is Intel Xeon Core 5130 serial.
> 
> Thanks a lot,
> 
> Zhou Zhen

Cheers,
Jurgen


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