Bug#724731: [gdm3] gdm does not start properly, cannot login via gdm

[Valdinilson Lourenço da Cunha]

Hi,

I've been with this problem for a long time. And after seeing the review of
Jascha Geerds, I decided to install libpam-​​systemd.

# apt-get install libpam-​​systemd

Problem solved.

Valdinilson.