Comment 14 for bug 904622

heads up
- confirmed again post #11 above
- made some tweak:
edited lightdm.conf to change the default unity-greeter setting (wrongly using the logo from #7) by the lightdm-gtk-greeter, which is more logical on my installation as i've completly purged unity.

What i get:
- now its really the lightdm login screen that is used. And of course there is no logo attached on this screen (compared to the previous unity-greeter setting)

Conclusion:
- plymouth cant be blamed as i understand
- there is a mystery about this default unity-greeter setting into lightdm.conf using the wrong logo
- even with unity-greeter NOT installed, that logo was (is) called.

So this report is close to bug #892394 but also reveal this inconstancy of lightdm.conf