Blank Screen After Exiting X

Okay, this is a new one on me. Setup: ASCII login setup on SuSE 7.2 with updatng to XFree86 4.1 After I login (it doesn't matter what account I use), everything works fine in console mode. Then startx, do things in X, and logout of X. The screen goes blank. (It doesn't matter what window manager I am using; I've tried KDE, Enlightenment, Windowmaker and Gnome). The computer has not hung; it will respond to commands typed in blind. If I type in startx again, we are back to X-Windows no problem. Logout -- back to blank screen. It stays blank if I Alt-F2 to another console. I haven't found anything in profile or .xinitrc that jumps out at me. Any ideas? TIA. Peter