Can't login on 18.04 after entering wrong password

[Szabolcs Andrasi]

Hello,

so I just installed Ubuntu 18.04LTS on my computer ( HP Spectre x360 15 ), running in dual boot mode with windows 10, everything went well during the installation, the only problem I encountered is, if I type a wrong password and then I type the correct password, the desktop never loads... I waited like 20 minutes if anything would show up, but nothing, I can just see the cursor and the wallpaper nothing else, I had to manually turn off/on the computer multiple times, in order to see the boot manager again.

If I enter the correct password at the first attempt, the desktop loads and everything works just fine.

[Ubuntu Foundations Team Bug Bot (crichton)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. It seems that your bug report is not filed about a specific source package though, rather it is just filed against Ubuntu in general. It is important that bug reports be filed about source packages so that people interested in the package can find the bugs about it. You can find some hints about determining what package your bug might be about at https://wiki.ubuntu.com/Bugs/FindRightPackage. You might also ask for help in the #ubuntu-bugs irc channel on Freenode.

To change the source package that this bug is filed about visit https://bugs.launchpad.net/ubuntu/+bug/1769416/+editstatus and add the package name in the text box next to the word Package.

[This is an automated message. I apologize if it reached you inappropriately; please just reply to this message indicating so.]

[Szabolcs Andrasi (andrasi-szabolcs)]

I have no idea what package handles the login. According to the wiki (https://wiki.ubuntu.com/Bugs/FindRightPackage) if one encounters a bug at the login screen, the package is the display manager, which is LightDM in Ubuntu 11.10 or above.

[dino99 (9d9)]

18.04 use gdm3, not lightdm (which is known to be broken)
So you seems dist-upgrading old releases endlessly. That usually ends with lot of useless/disturbing/broken symlinks/... left behind.

You might want using gtkorphan & bleachbit (as root) to clean the system.

[Szabolcs Andrasi (andrasi-szabolcs)]

It's a fresh install, I am not upgrading from a previous version. As a matter of fact I installed Ubuntu 18.04 on two different computers and both behave the same way with the login screen: when I make a typo in the password, I can't login even if I type the correct password the next time. It just shows the wallpaper / background but nothing happens. By the way, the above bug-description is not mine: I just converted a question someone asked about a week ago to this bug report because I also have the same problem and nobody answered that question yet.

As for the package, sure if 18.04 uses gdm3 then it's gdm3. I was just following the Wiki you linked me which says that if it's the login screen then it's LightDM (https://wiki.ubuntu.com/Bugs/FindRightPackage#At_the_login_screen), so that documentation also needs an update because it's apparently out of date and contains false information.

If you need me to attach logs, let me know.

[Daniel van Vugt (vanvugt)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug 1766137, so it is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Feel free to continue to report any other bugs you may find.

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.