Public bug reported:
OS: Ubuntu 20.04.x LTS (Desktop)
Problem description:
When I try to use 'at' as my username, after rebooting, gnome-initial-setup
reappears and asks to create a new user.
Re-produce procedures (1):
1. Del all other users from terminal
2. Reboot to OS.
3. Add a user by gnome-initial-setup dialog.
4. Use 'at' as username and login name.
5. After setup finish, reboot.
6. When boot to OS, gnome-initial-setup will pop again for asking create a new
user.
Re-produce procedures (2):
1. Create a user (e.g. username is 'user')
2. Check this user account can be showed on the logon screen and can login into
OS.
3. Logout 'user' account and swith to terminal to modify the account with root
permission.
4. Modify account 'user' to 'at'
5. After finish, reboot
6. When boot to OS, gnome-initial-setup will pop again for asking create a new
user.
7. At this moment, switch to terminal with root permission
8. Modify account 'at' to 'am' and reboot
9. After boot to OS, gnome-initial-setup doesn't pop up and account 'am' is
showed on logon screen.
Is this a bug or 'at' is a reserved word? I can't find any document
relevant about this restriction.
** Affects: gdm3 (Ubuntu)
Importance: Undecided
Status: New
** Tags: gdm3 logon username
** Summary changed:
- Some username cannot list on logon screen
+ The username 'at' cannot list on logon screen
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to gdm3 in Ubuntu.
https://bugs.launchpad.net/bugs/1984031
Title:
The username 'at' cannot list on logon screen
Status in gdm3 package in Ubuntu:
New
Bug description:
OS: Ubuntu 20.04.x LTS (Desktop)
Problem description:
When I try to use 'at' as my username, after rebooting, gnome-initial-setup
reappears and asks to create a new user.
Re-produce procedures (1):
1. Del all other users from terminal
2. Reboot to OS.
3. Add a user by gnome-initial-setup dialog.
4. Use 'at' as username and login name.
5. After setup finish, reboot.
6. When boot to OS, gnome-initial-setup will pop again for asking create a
new user.
Re-produce procedures (2):
1. Create a user (e.g. username is 'user')
2. Check this user account can be showed on the logon screen and can login
into OS.
3. Logout 'user' account and swith to terminal to modify the account with
root permission.
4. Modify account 'user' to 'at'
5. After finish, reboot
6. When boot to OS, gnome-initial-setup will pop again for asking create a
new user.
7. At this moment, switch to terminal with root permission
8. Modify account 'at' to 'am' and reboot
9. After boot to OS, gnome-initial-setup doesn't pop up and account 'am' is
showed on logon screen.
Is this a bug or 'at' is a reserved word? I can't find any document
relevant about this restriction.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1984031/+subscriptions
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