To confirm, for my system (Xubuntu 14.04 on a Dell Inspiron) removing 'light-locker' and 'light-locker-settings' and installing 'xscreensaver' solves the issue of buggy suspend/resume.
To confirm, for my system (Xubuntu 14.04 on a Dell Inspiron) removing 'light-locker' and 'light- locker- settings' and installing 'xscreensaver' solves the issue of buggy suspend/resume.