> > Is the troubled box running the same version (8.4.13) of tk/tcl as the > other three? How about xorg-x11-server-utils ? > > Also showrgb prints all the colors. here is the information: more /etc/redhat-release CentOS release 5.2 (Final) [root at am2mm ~]# rpm -qa | grep tk- atk-1.12.2-1.fc6 usermode-gtk-1.88-3.el5.1 tk-8.4.13-5.el5_1.1 atk-1.12.2-1.fc6 authconfig-gtk-5.3.21-3.el5 tk-8.4.13-5.el5_1.1 [root at am2mm ~]# rpm -qa | grep server-utils xorg-x11-server-utils-7.1-4.fc6 Jerry