It looks like any moving of a file which comes from the read-only underlying filesystem. It doesn't behave the same when one deletes a file instead of moving.
It seems like it's probably a bug in overlayfs, so I'm adding a task for linux so the kernel team can take a look. ** Also affects: linux (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1408495 Title: Ubiquity crashes prior to keyboard configuration in 15.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1408495/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs