I can confirm #33 and #34; it just happened recently. Looking at ps I found gnome-screensaver running 3 times!
$ ps auxwww|grep screen gdm 13219 0.0 0.1 156928 4596 ? Ss Aug11 0:00 /usr/bin/gnome-screensaver myuser 13444 0.0 0.1 178928 8000 ? Ss Aug11 0:06 gnome-screensaver myuser 13445 0.0 0.1 178928 7996 ? Ss Aug11 0:05 /usr/bin/gnome-screensaver
I can confirm #33 and #34; it just happened recently. Looking at ps I found gnome-screensaver running 3 times!
$ ps auxwww|grep screen gnome-screensav er gnome-screensav er
gdm 13219 0.0 0.1 156928 4596 ? Ss Aug11 0:00 /usr/bin/
myuser 13444 0.0 0.1 178928 8000 ? Ss Aug11 0:06 gnome-screensaver
myuser 13445 0.0 0.1 178928 7996 ? Ss Aug11 0:05 /usr/bin/