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I'm trying to figure out why the graphical login prompt won't show up at the login page. I see the wallpaper just fine, but the graphical login prompt won't show up no matter how long I wait.

So, In the console, I've done init 3 to shut down gdm and then restarted it with init 5. The problem still persists.

I downloaded and installed kdm and set it as the default display manager through editing /etc/systemconfig/displaymanager. It worked fine, except that the main menu and many other items in the panels are gone. So I removed gdm with zypper and then reinstalled it again. I set the gdm as the default display manager and restarted gdm. The same problem shows up again. So I tried to bypass the login page entirely by enabling autologin. I put my username in the autologin section of /etc/systemconfig/displaymanager and restarted gdm. No go, I still get the same problem.

I'm thinking it mightn't be gdm related and that something else is interfering with gdm startup, but I'm stumped at this point. Any ideas?

  • Could you supply your pstree or, better, ps axjf, so that we could find out at least which part of gdm is stuck, (simple-slave, session worker, greeter)? – Boris Burkov Aug 11 '13 at 0:55
  • (just to make sure) do you an external display connected ? In my setup I don't see the login prompt until I move the mouse to the 2nd display. – Rabin Apr 15 '18 at 8:48
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Try this: cat /etc/sysconfig/desktop

That should tell what your DISPLAYMANAGER and DESKTOP are set to. This file is used by /etc/X11/xinit/Xclients to determine which desktop to start.

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I found this:
Error with 2 users both having same uuid bug. Removing a second user from /etc/passwd and rebooting allows gdm to work normally.

Post #9
https://forums.fedoraforum.org/showthread.php?311366-gdm-login-screen-stopped-appearing-graphical-login-not-possible

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