Same problem here; TeXmacs complains that maxima plug-ins aren't declared. Maxima works in console mode, but however does not work with the Mascyma frontend. This could be a problem with maxima rather than TeXmacs.
-- Can't init Maxima session within TeXmacs https://launchpad.net/bugs/58498 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs