Just for reference, here's dmesg when the keyboard is connected to USB. And to answer your question, yes, edgy is still affected. I'm using 2.6.17-10-generic #2 SMP and the problem report is valid for this kernel too. The box is a HP dc7600C.
** Attachment added: "dmesg output with the keyboard on USB" http://librarian.launchpad.net/5934152/dmesg.usb -- PS2 keyboard problem https://launchpad.net/bugs/54836 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs