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Re: [Fedora-xen] Minimal Fedora 8 Xen Setup for Laptop



Hi Richard,
	Just out of curiosity.  How is running VMware different from running Qemu with kqemu?  From my understanding, both of them rely on a kernel driver (or more than one) and a process running.  So why shouldn't running vmware server under a Xen Dom0 works?  Thanks for your help.


On Wed, 14 Nov 2007 16:21:21 +0000, "Richard W.M. Jones"
<rjones redhat com> said:
> Mathew Brown wrote:
> > On Tue, 13 Nov 2007 11:33:13 +0000, "Richard W.M. Jones"
> > <rjones redhat com> said:
> >> Have you thought about using qemu instead?  A QEmu guest is just an 
> >> ordinary Linux process, so much more predictable.  It's a shame that 
> >> your laptop doesn't have HVM.  What is the processor?
> > 
> > 
> > I just rechecked.  I have the HP nc6320 and just came across a post that
> > says that they released a BIOS update to enable virtualization :)
> 
> This isn't uncommon.  Most BIOSes disable virtualization at boot time by 
> writing to a processor-specific register (which, on Intel, cannot be 
> unset without booting).  This is a security feature to stop a particular 
> form of near undetectable rootkit.  So you need BIOS support and this is 
> commonly supplied through BIOS upgrades - eg. Lenovo did this for the 
> Thinkpad models which support HVM.
> 
> > hope to try it out.  But even then, how stable is Windows under Xen (I
> 
> Xen upstream certainly support Windows under Xen.  Of course you 
> absolutely do need hardware virt support in your processor.  It may not 
> surprise you to know that we don't use very much Windows round here, so 
> I can't personally comment on how well it works.
> 
> Rich.
> 
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