[Bug 37686] Can't configure gdm in login screen

[Carlos Z.F. Liu]

Public bug reported:

Affects: gdm (Ubuntu)
       Severity: Normal
       Priority: (none set)
         Status: Unconfirmed


Description:
I try to click "Option -> Configure Login Manager" in gdm screen when I
boot the Ubuntu system, the program ask me to input password. I need to
input my root password in here if I use Debian. Since there is no root
password in default Ubuntu setting, I try the first user password, but
it doesn't work.
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Can't configure gdm in login screen
https://launchpad.net/malone/bugs/37686