Success! I have fixed both of these issues.
I noticed in gconf that this value looked suspicious: /apps/gnome-power-manager/actions/sleep_type_battery=nothing
After resetting the default gconf values per https://wiki.ubuntu.com/DebuggingGNOMEPowerManager#Getting%20GConf%20values
and setting
/apps/gnome-power-manager/actions/sleep_type_battery=suspend
DPMS sleep is now working correctly when on battery power! Suspend after timeout set in GUI is now working correctly when on battery power!
Success! I have fixed both of these issues.
I noticed in gconf that this value looked suspicious: power-manager/ actions/ sleep_type_ battery= nothing
/apps/gnome-
After resetting the default gconf values per https:/ /wiki.ubuntu. com/DebuggingGN OMEPowerManager #Getting% 20GConf% 20values
and setting
/apps/gnome- power-manager/ actions/ sleep_type_ battery= suspend
DPMS sleep is now working correctly when on battery power!
Suspend after timeout set in GUI is now working correctly when on battery power!