I checked and it was the main thread which was using CPU. Uploading a crash report (Apport would not submit it due to a couple of outdated packages). Note that this is on a different system with a fresh Ubuntu 17.10 install (not upgraded; but the report should tell you all that).
** Attachment added: "crash.zip" https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1724259/+attachment/4996103/+files/crash.zip -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1724259 Title: gnome-shell frozen and using 100% CPU after docking and display configuration change To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1724259/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
