Public bug reported: Follow http://wiki.xen.org/wiki/OpenStack_via_DevStack
sudo apt-get install xen-hypervisor-4.4-amd64 sudo reboot Get on Ubuntu 14.04.2 desktop BUG : soft lockup - CPU#1 stuck for 23s! on Ubuntu 14.04.2 Server Kernel stack trace ** Affects: xen (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1439167 Title: Failure to install Xen 4.4 via native repos on Ubuntu 14.04.2 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xen/+bug/1439167/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs