Definetly the newer kernels (non-officials) use a lot less ram memory
than older one. But the problem comes with WiFi network card.
In my case, I am not able to switch to kernel 4.8.6 because I loss WiFi
conectivity (BCM4312 like any Dell laptop), I need to be stick to kernel
4.4.0 for now.
--
I saw this bug when I was trying to update my kernetl to v4.8.1
This is all the output I got, 3 errors at all.
$ sudo dpkg -i linux-headers-4.8.1*.deb linux-image-4.8.1*.deb
Selecting previously unselected package linux-headers-4.8.1-040801.
(Reading database ... 276032 files and directories
Public bug reported:
the installation had a problem and i delet the windows but linux had a
problem i dont have a operative system in my pc help me in install linux
in my pc
ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: ubiquity 17.10.10
ProcVersionSignature: Ubuntu 4.13.0-21.24-generic