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Fedora 29 boot hangs at "Started GNOME display manager"

asked 2019-01-18 03:28:14 -0500

adeinfnq gravatar image

I am using Fedora 29 Desktop in a dual boot with Windows XP. All current updates have been installed. The kernel is 4.19.14-300.fc29.i686. I have had the system working well. Today, for convenience, I edited the grub file to increase the selection timeout to 10 seconds and to remember the last boot selection. The changes to grub were successful in that grub now does those two things. However, the boot process has changed. At boot, it builds the Fedora logo, then switches to a list of processes it is starting. The behavior is similar (identical?) to what would happen if I were booting from the live DVD. After proceeding through the list of processes, it hangs at "Started GNOME display manager", and won't proceed past that. I have to do a hard shutdown (power off) to stop. I'm baffled. Any suggestions? Many thanks in advance

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It sounds to me that the GNOME display manager (gdm) has crashed. To debug the problem, type Ctrl-Alt-F2 to get to a virtual terminal (if that doesn't work, you can try Ctrl-Alt-F3 , etc.). You should then be at a console login prompt. Once you login, you can run journalctl -rx as root to confirm that gdm has crashed. You can hit the spacebar to advance through the listing.

The next steps depend on what video hardware in the system. If you don't know what exact hardware you have, try lspci to identify the hardware you have and post the results here to discuss next steps.

psg_nm gravatar imagepsg_nm ( 2019-01-19 08:25:06 -0500 )edit

If you can confirm that GDM is crashing using the instructions above, you might replace GDM with another display manager, for example, SDDM. There is a nice post about how to do this at: https://www.if-not-true-then-false.com/2018/fedora-switch-display-manager/ . Once you have done that, reboot the system (e.g., run reboot as root) and see how it goes. It is probably possible to fix the situation with GDM, but maybe replacing it might get you going in the short run.

psg_nm gravatar imagepsg_nm ( 2019-01-19 08:51:00 -0500 )edit

I have the same problem. When I try to boot from a fedora 29 dvd from osdisc it hangs up on “started gnome display manager”. I followed the instructions for switching display managers from gdm to kdm but the result was identical. It still hung up on gnome after reboot. I have a gigabyte z390 ud mobo with intel i5, vga compatible controller , intel Corp. device 3e98.

fredfern gravatar imagefredfern ( 2019-02-07 17:51:07 -0500 )edit

what's your graphics adapter? Can you boot an older kernel successfully?

florian gravatar imageflorian ( 2019-02-08 02:54:43 -0500 )edit

i have the same problem, it startes after updating kernel to 4.20 so i have to startup with kernel 4.19.13-300.fc29.x86_64 till it is fixed

devrieshh gravatar imagedevrieshh ( 2019-02-08 09:57:44 -0500 )edit

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answered 2019-02-10 20:53:03 -0500

I’m not a software expert by any means, but it seems to me that when you change display managers as described you only change them in ram such that when you reboot, what is still on the bootable media is unchanged. Hence the problem remains. I’m wondering how prevalent this problem is, since I have it also with the iso file I downloaded from fedora, but I don’t see much about it online. What is up with this “org.gnome.Shell.desktop” error message?

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Asked: 2019-01-18 03:28:14 -0500

Seen: 1,251 times

Last updated: Jan 18