I've tested 15.10 with different versions, including mainline versions, and I can reproduce the bug on the following version: 4.4.0-040400-generic, 4.2.0-23-generic, 4.0.1-040001-generic, 3.19.8-031908-generic, 3.19.0-43-generic.
As the latest 15.04 also gives the symptoms, I suspect it's not caused by a specific kernel versions. After downgrading and upgrading different packages between 15.04 and 15.10, I've narrowed it down to udev. Could you all please try downgrading udev (and libudev1) to version 219-7ubuntu6, and see if the symptoms disappear. Note that you have to restart after the downgrade. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1518457 Title: kswapd0 100% CPU usage To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1518457/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
