Jen doplnim, ze ho muze nahrat/nahradit vychozim sources.list :
https://gist.github.com/ishad0w/2187a4eaab9273387645ac11905aca68

sudo wget https://gist.githubusercontent.com/ishad0w/2187a4eaab9273387645ac11905aca68/raw/ae20b6e9c8e987081d6c15b9085b549505ea85e8/sources.list -O /etc/apt/sources.list

V jeho pripade mi prijde stahovani a instalace jadra zbytecna, nova verze s opravnym patchem mu prijde verejnym kanalem pres systemove aktualizace.