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(a)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(a)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.
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