The issue seems to be fixed with the ubuntu 14.04.4 as well (kernel 4.2.0):
$ uname -a Linux quasar 4.2.0-34-generic #39~14.04.1-Ubuntu SMP Fri Mar 11 11:38:02 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux 2016-02-26 16:41 GMT+02:00 Ekimia <cont...@ekimia.fr>: > Congrats to the Ubuntu team who backport this on 3.19 which enable to > bring some skylake to Ubuntu computer market. > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1488426 > > Title: > High CPU usage of kworker/ksoftirqd > > To manage notifications about this bug go to: > https://bugs.launchpad.net/hwe-next/+bug/1488426/+subscriptions > -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1488426 Title: High CPU usage of kworker/ksoftirqd To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1488426/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs