[ubuntu] unibody + drag n drop fails

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http://ubuntuforums.org – Hi, I'm using ubuntu Lucid on a MBP (pre-unibody) for more than a year now. Last week I bought a MBP 5.4 (unibody). Everything works fine, except the trackpad. The annoying thing is that I can't drag things by pushing the trackpad internal 'button' with one finger and drag with another finger. I know, this is a common problem, using synaptics in Lucid. Any ideas for a proper workaround for Lucid? Iis the problem allready fixed in 12.04? thanks in advance Erwin (Hardware)