UPDATE II: more details for the previous UPDATE.
It seems that when I activate screen lock VIA THE KEYBOARD (Ctrl+Alt+L),
I DO NOT get the "go to sleep and reboot" phenomenon to occur. When I
use THE MOUSE to click on the "services" icon (upper-right of screen,
next to the "Date/Time" display), s
UPDATE: I think I discovered the "root problem"! it looks like the
"Screen Off after xx minutes" function, combined with the "Require
password when waking from suspend" option checked (System Settings,
Brightness & Lock) is causing the problem. The attached screen capture
shows the relevant settin
OK, after some more "rooting around" @ the Ubuntu site
(https://wiki.ubuntu.com/Bugs/FindRightPackage#Finding_the_Package_Name),
I (finally) found the page with the information pertaining to my
problem:
https://wiki.ubuntu.com/DebuggingScreenLocking/HowScreenLockingWorks. I
sincerely apologize for