OK, the problem is definitely with ACPI -- I just tried it with a completely different app, and it failed as well (while running "xset dpms force off" manually from the command line worked). Might this be an upstream bug?
OK, the problem is definitely with ACPI -- I just tried it with a completely different app, and it failed as well (while running "xset dpms force off" manually from the command line worked). Might this be an upstream bug?