See http://unix.stackexchange.com/questions/158058/restore-chromium- firefox-windows-to-original-workspace-desktop for details of the upstream bug and a partial workaround.
** Bug watch added: Mozilla Bugzilla #372650 https://bugzilla.mozilla.org/show_bug.cgi?id=372650 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1306316 Title: After restarting all firefox windows are appearing on one workspace! To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1306316/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs