The dbgsym are the standard debug packages built for all the packages, you can read about them on https://wiki.ubuntu.com/DebuggingProgramCrash
-- gnome-control-center wipes out /home/user https://launchpad.net/bugs/78500 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs