Kernel: linux-image-4.15.0-23-generic Ubuntu: 18.04 Hardware: Lenovo ThinkPad X1 Yoga 2nd, model 20JD0026RT
Basically the bug is
https://bugs.freedesktop.org/show_bug.cgi?id=100378 https://bugs.freedesktop.org/show_bug.cgi?id=105196
Downgrade to the latest mainline kernel 4.14.52 fixes the problem.
Kernel: linux-image- 4.15.0- 23-generic
Ubuntu: 18.04
Hardware: Lenovo ThinkPad X1 Yoga 2nd,
model 20JD0026RT
Basically the bug is
https:/ /bugs.freedeskt op.org/ show_bug. cgi?id= 100378 /bugs.freedeskt op.org/ show_bug. cgi?id= 105196
https:/
Downgrade to the latest mainline kernel 4.14.52 fixes the problem.