I can also confirm that this problem still exists with a fresh install of Ubuntu 18.10 with kernel 4.18.0.. I will try the psmouse.synaptics_intertouch=0 workaround.
I can also confirm that this problem still exists with a fresh install of Ubuntu 18.10 with kernel 4.18.0.. I will try the psmouse. synaptics_ intertouch= 0 workaround.