Red Hat Bugzilla – Bug 1283456
gdm fails to start after update to xorg-x11-server-*-1.18.0-2
Last modified: 2016-12-20 11:04:48 EST
Description of problem:
gdm worked fine with xorg-x11-server-*-1.18.0-1 but following the upgrade to 1.18.0-2 it does not start, switching to lightdm allows me login and use the system
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Have system with ATI Radeon graphics card
2. Update to xorg-x11-server 1.18.0-2
gdm login screen is not displayed and cannot log in
gdm login screen is displayed and can log in
There were other packages updated at the same time, amongst them were:
Switching to another display manager does display a login screen
Tested with kdm and lightdm, both work fine.
Updated to gdm-3.18.2-1.fc23.x86_64 and it still fails. Have to Ctrl-Alt-F2, log in, disable gdm through systemctl, enable another display manager and reboot.
Created attachment 1099040 [details]
Output from dnf history info
List of all updates that happened between working and non-working system.
Looked at all the .rpmnew files within /etc/dbus-1/system.d/ and replaced the originals with the new conf files.
Ones that were replaced were:
Rebooting the system after and gdm now works.
Hint came from http://forums.fedoraforum.org/showthread.php?t=304847
Not sure why the package updates will have required the new system.d conf files.
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