I tested trusty 3.16.0-38.52~14.04.1. The buttons work (but I prefere their behoviour with: modprobe -rv psmouse; modprobe -v psmouse proto=imps). Graphic issues still exist. So I go back to mainline kernel.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1414930 Title: [Lenovo ThinkPad 2015 models] Buttons of Synaptics trackpad doesn't work To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1414930/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs