Latest development version of the linuxwacom driver (0.8.3-2) fixes this error and enables the pen on my HP tx2020eo, and replacing the contents of file /usr/share/hal/fdi/policy/20thirdparty/10-wacom.fdi with that found at http://launchpadlibrarian.net/25262022/working.fdi enables also touch with proper calibration.
Latest development version of the linuxwacom driver (0.8.3-2) fixes this error and enables the pen on my HP tx2020eo, and replacing the contents of file /usr/share/ hal/fdi/ policy/ 20thirdparty/ 10-wacom. fdi with that found at http:// launchpadlibrar ian.net/ 25262022/ working. fdi enables also touch with proper calibration.
See the bug report at https:/ /bugs.launchpad .net/bugs/ 355340 and the discussion at http:// ubuntuforums. org/showthread. php?t=1038949.