Based on the latest comments (unfortunately this bug was not referenced when committing the change), I am closing this bug as fixed. If anybody thinks it is still a problem, feel free to re-open it (or a new report). Thanks.
** Changed in: linux-ec2 (Ubuntu) Status: New => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to the bug report. https://bugs.launchpad.net/bugs/708920 Title: Strange 'fork/clone' blocking behavior under high cpu usage on EC2 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-ec2/+bug/708920/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs