I read about bug https://launchpad.net/distros/ubuntu/+source/pbbuttonsd/+bug/46445 and thought it might be the same problem (as pbbuttonss got installed on this imac too) and killed it, but it did not solve this problem.
-- Green Imac g3 powers on again https://launchpad.net/bugs/57069 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
