I'm actually using a PV guest and XenServer (not the OpenSource version of Xen), the command I use It's something like
xe vm-vcpu-hotplug vm=Ubuntu\ Lucid\ Lynx\ 10.04\ \(64-bit\) new-vcpus=4 (changing of course machine name and cpu numbers) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1007002 Title: Xen VCPUs hotplug does not work To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1007002/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs