I'm having the same problem with a Radeon HD 2400 XT in an Acer Extensa 5450 running kubuntu. xset dpms results in a blank screen with the backlight on while vbetool works. Nothing suspicious in the logs that I see. DPMS enabled, etc.
-- [jaunty] dpms does not switch off backlight on laptop screen https://bugs.launchpad.net/bugs/363059 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
