Warning: locale not supported by Xlib, locale set to C

[whereis whoami <whereis.whoami@gmail.com>]

Привет сетяне.

ubuntu 10.04

locale  от пользователя

LANG=ru_UA.utf8
LC_CTYPE="ru_UA.utf8"
LC_NUMERIC="ru_UA.utf8"
LC_TIME="ru_UA.utf8"
LC_COLLATE="ru_UA.utf8"
LC_MONETARY="ru_UA.utf8"
LC_MESSAGES="ru_UA.utf8"
LC_PAPER="ru_UA.utf8"
LC_NAME="ru_UA.utf8"
LC_ADDRESS="ru_UA.utf8"
LC_TELEPHONE="ru_UA.utf8"
LC_MEASUREMENT="ru_UA.utf8"
LC_IDENTIFICATION="ru_UA.utf8"
LC_ALL=

xterm ругается Warning: locale not supported by Xlib, locale set to C

locale от root
LANG=ru_RU.UTF8
LC_CTYPE="ru_RU.UTF8"
LC_NUMERIC="ru_RU.UTF8"
LC_TIME="ru_RU.UTF8"
LC_COLLATE="ru_RU.UTF8"
LC_MONETARY="ru_RU.UTF8"
LC_MESSAGES="ru_RU.UTF8"
LC_PAPER="ru_RU.UTF8"
LC_NAME="ru_RU.UTF8"
LC_ADDRESS="ru_RU.UTF8"
LC_TELEPHONE="ru_RU.UTF8"
LC_MEASUREMENT="ru_RU.UTF8"
LC_IDENTIFICATION="ru_RU.UTF8"
LC_ALL=

что где ковырять?