On Wed, 2004-06-23 at 08:48, Carl D. Blake wrote: > I've lost the ability to switch virtual consoles on my Woody system. > One of the sysadmins logged in as the backup user through the kdm > desktop and when he logged out the monitor went dark. Now we can't > switch to a virtual console using Ctrl-Alt-Fn, nor can we switch to the > kdm desktop with Ctrl-Alt-F7. I've seen something like this happen on > other linux systems before and my only solution was to reboot. I hate > to do that for something so stupid. Is there some way to restore this > functionality with rebooting the system? > > I've done some more investigation. It appears that something has happened to the video system. I can press Ctrl-Alt-F1 and then type in the username and password and when I check from an SSH connection I can see that I have successfully logged in on tty1. But I can't see anything on the console screen. I then pressed Ctrl-Alt-F7 and then pressed Ctrl-Alt-Backspace to restart the X server. When I did that the monitor's LED light went green for a moment as if it were about to display some video, but then it went orange again indicating that there was no video. Again I have seen this behavior before where the video system is somehow munged. Does anyone know how to fix it without rebooting? This is a server being used by other people and I really hate to take it down.
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