Had the same trouble, blacklisting intel_powerclamp and intel_rapl fixed it. Thanks to @krzysdrewniak.
sudo sh -c 'cat <<EOF > /etc/modprobe.d/blacklist-power.conf # See: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1389077 blacklist intel_powerclamp blacklist intel_rapl EOF' Thanks. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1389077 Title: [HP ProBook 4530s] Intel Powerclamp is Slowing CPU To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1389077/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
