Thanks Sebastian! commenting that line in /usr/share/gdm/themes/HumanList/gtk-2.0/gtkrc worked for me.
-- gdm hangs after theme upgrade and reboot https://bugs.launchpad.net/bugs/210538 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
