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



Thanks for the clarification.  My bad :)  Also, if it was a minimal xen
kernel and I had the DomU's running, I should be able to use
save/restore on the DomUs (where I would be doing 90%+ of my typical
work) to simulate suspending.

On Wed, 14 Nov 2007 16:01:22 +0000, "Daniel P. Berrange"
<berrange redhat com> said:
> On Wed, Nov 14, 2007 at 07:58:55AM -0800, Mathew Brown wrote:
> > 
> > On Tue, 13 Nov 2007 11:33:13 +0000, "Richard W.M. Jones"
> > <rjones redhat com> said:
> > > Mathew Brown wrote:
> > > > Hi,
> > > >   I was considering installing a minimal Fedora 8 setup with the Xen
> > > >   kernel and then performing most of my work in several different DomUs
> > > >   (perhaps Fedora of Ubuntu) as well as running Windows in a VMware
> > > >   setup (don't currently have hardware virtualization support).  Note
> > > >   that this is on a laptop.  Are there any specific issues that I should
> > > >   be aware of (such as suspend/resume issues, etc.) and does anyone have
> > > >   any specific recommendations?  Thank you for your help.
> > > 
> > > Xen and laptops aren't really friends with each other.  In particular 
> > > power management doesn't work so the laptop will run hot and eat 
> > > batteries, suspend/resume are unlikely to work, and so on.
> > 
> > I remember on the Xen mailing list that they wanted to encourage people
> > to start using Xen on laptops to help troubleshoot power management
> > related issues.
> 
> There's no troubleshooting to be done. It is quite simply not
> implemented.
> There is no suspend/hibernate support. CPU scaling is useless because
> Dom0 can't neccessarily see all physical CPUs, and has no info about the
> activity of the guest.
> 
> The split Dom0/HV  architecture is a loosing battle for ths kind of stuff
> which is why we recoomend KVM as the only viable solution for laptops.
> 
> Dan.
> -- 
> |=- Red Hat, Engineering, Emerging Technologies, Boston.  +1 978 392 2496
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-- 
  Mathew Brown
  mathewbrown fastmail fm

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