Jan  5 11:38:53 1810 kernel: [ 1850.327738] compiz[11911]: segfault at 0 ip 00007f6c7baf0c16 sp 00007ffd5ec71c60 error 4 in i965_dri.so[7f6c7b513000+82d000]

System Settings -> Software & Updates -> Tab Developer options -> check proposed

sudo apt-get install libgl1-mesa-dri/xenial-proposed

Package: *
 Pin: release a=xenial-proposed
 Pin-Priority: 400

sudo ppa-purge ppa:paulo-miguel-dias/pkppa
 sudo reboot

sudo apt-get install lubuntu-desktop

libegl1-mesa 17.2.4-0ubuntu1~16.04.2
libgbm1 17.2.4-0ubuntu1~16.04.2
libgl1-mesa-dri 17.2.4-0ubuntu1~16.04.2
libwayland-egl1-mesa 17.2.4-0ubuntu1~16.04.2

start on starting unity7
pre-start script
initctl set-env -g UNITY_LOW_GFX_MODE=1
end script

sudo apt-add-repository ppa:paulo-miguel-dias/pkppa
 sudo apt update && sudo apt upgrade -y
 sudo reboot

sudo ppa-purge ppa:paulo-miguel-dias/pkppa

sudo apt install --install-recommends xserver-xorg xserver-xorg-core
xserver-xorg-video-all xserver-xorg-input-all xserver-xorg-video-intel
server-xorg-video-qxl
sudo reboot