I think it could be a duplicate of bug #384304 That would means your bug would happens when your battery if almost full.
Also, the output of "devkit-power -d" would show near the end: on-battery: no when in fact you are on-battery (AC unplug). Could you confirm that? -- screen doesn't dim when switching to battery https://bugs.launchpad.net/bugs/490152 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