I believe I've found the fix for this issue on 3.13. If you can, please test the kernel posted on comment #1 on this bug: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1346917 Make sure KSM is enabled; and any workarounds for this bug are disabled.
If this fixes the issue for you, you are welcome to mark this bug as a duplicate of 1346917. Thanks! ** No longer affects: qemu (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu in Ubuntu. https://bugs.launchpad.net/bugs/1307473 Title: guest hang due to missing clock interrupt To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1307473/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs