Unfortunately I cannot tell precisely since it was relatively long ago, but icons went away (in LightDM, Gnome, Unity...) while the video module seemed to work, so maybe it had something to do with libpng? I don't know for sure, sorry.
Unfortunately I cannot tell precisely since it was relatively long ago, but icons went away (in LightDM, Gnome, Unity...) while the video module seemed to work, so maybe it had something to do with libpng? I don't know for sure, sorry.