Can you try latest mainline kernel in [0]?
You need these two binaries: linux-image-unsigned*generic*.deb linux-modules*generic*.deb
[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.17-rc2/
Can you try latest mainline kernel in [0]?
You need these two binaries: unsigned* generic* .deb generic* .deb
linux-image-
linux-modules*
[0] http:// kernel. ubuntu. com/~kernel- ppa/mainline/ v4.17-rc2/