Trouble is a Friend, said Lenka.
Yups… Last night my Debian failed to load my notebook screen.
Silly me, I didn’t have enough time to troubleshoot this
But I can see I’ve been using Debian Testing since last week.
So all I need is to downgrade my xorg to Debian Stable aka Debian 8.0 Jessie.
So here we are, apt-pinning xorg, purge xorg, and re-install xorg.
All is good now