lock screen says "Authentication failed" after upgrade to bionic
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
ubuntu-release-upgrader (Ubuntu) |
Fix Released
|
Critical
|
Brian Murray | ||
Bionic |
Fix Released
|
Critical
|
Brian Murray |
Bug Description
After an upgrade from Ubuntu 16.04 to Ubuntu 18.04 was completed I left the system running and did not reboot it. Later on the lock screen kicked in and there was no password dialog anymore, I only saw "Authentication failed" and could not log into the system. Lines similar to the following can be found in the system's journal:
The following lines are displayed in the journal:
juil. 04 09:27:07 ubuntu compiz[1692]: PAM unable to dlopen(
juil. 04 09:27:07 ubuntu compiz[1692]: PAM adding faulty module: pam_unix.so
juil. 04 09:27:07 ubuntu compiz[1692]: PAM unable to dlopen(
juil. 04 09:27:07 ubuntu compiz[1692]: PAM adding faulty module: pam_systemd.so
This is because the gnome-session-
[Test Case]
1) Setup the lock screen on an Ubuntu 16.04 system running Unity
2) Upgrade from 16.04 to 18.04 using do-release-upgrade or update-manager -d
3) Do not reboot, wait for the lock screen to take effect
4) Observe that you cannot log in anymore
With the version of ubuntu-
[Regression Potential]
Its possible the check for Unity in XDG_CURRENT_DESKTOP is incorrect and the lock screen can still kick in.
Related branches
- Steve Langasek: Approve
- Sebastien Bacher: Approve
-
Diff: 186 lines (+66/-56)3 files modifiedDistUpgrade/DistUpgradeController.py (+55/-0)
DistUpgrade/DistUpgradeQuirks.py (+1/-56)
debian/changelog (+10/-0)
- Brian Murray: Needs Fixing
-
Diff: 234 lines (+44/-87)5 files modifiedDistUpgrade/DistUpgradeController.py (+41/-47)
DistUpgrade/DistUpgradeQuirks.py (+0/-7)
DistUpgrade/DistUpgradeViewKDE.py (+0/-33)
debian/changelog (+2/-0)
debian/control (+1/-0)
tags: | added: id-5b32dfc70f54891287c5942a |
Changed in ubuntu-release-upgrader (Ubuntu Bionic): | |
status: | New → In Progress |
importance: | Undecided → Critical |
assignee: | nobody → Brian Murray (brian-murray) |
This bug was fixed in the package ubuntu- release- upgrader - 1:18.10.4
--------------- release- upgrader (1:18.10.4) cosmic; urgency=medium
ubuntu-
* DistUpgradeQuir ks.py, DistUpgradeCont roller. py: move inhibiting of ks.py: Add in a quirk for upgrading to Cosmic that will
gnome-session idle so that it is called immediately after the upgrade
starts (LP: #1778817), present a dialog notifying that the lock screen has
been disabled (LP: #1174093), and do not reenable the lock screen as it
may fail to work after a release upgrade. (LP: #1780342)
* DistUpgradeQuir
check if the system has connectivity to the snap store and replace some
desktop packages with snaps to ensure the system is similar to a fresh
install.
-- Brian Murray <email address hidden> Fri, 06 Jul 2018 11:21:11 -0700