This seems to be an upstream issue, as I am currently running Manjaro 0.8.13 64 bit KDE and I am running into the same exact problem with Konsole 15.04.0.
Seemed to start up in the past few months and nearly killed my CPU a while back. I kept having my system auto shutdown on me when the processor got too hot from this pegging a single core. I ended up picking up a better cooler just to be safe, but finally figured out it was Konsole not shutting down properly which led me here while searching for a solution. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1447830 Title: Konsole using 100% of a single core after being closed. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/konsole/+bug/1447830/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs