Just wanted to mention that I've encountered the problem few more times, always being on a tethered internet from my iPhone 7 and logs were different in journalctl. I then upgraded the kernel to 4.17.14 (latest) and it didn't hang so far!
** Changed in: gnome-shell (Ubuntu) Status: Incomplete => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1786314 Title: Ubuntu freezes after "Object St.Bin (0x559700c88410), has been already finalized. Impossible to set any property to it." To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1786314/+subscriptions -- ubuntu-bugs mailing list firstname.lastname@example.org https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs