What specific kernel version had the problem? You can check with: uname -a
The CONFIG_NO_HZ_FULL kernel param was turned off at some point between trusty's 3.13 and xenial's 4.4, and without that kernel param enabled the nohz_full boot param has no effect. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1587265 Title: ubuntu not work with tickless kernel boot option To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1587265/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs