For me (on 19.10) kernel 5.3.0-40-generic is the last good version. kernel 5.3.0-53-generic is the first bad version.
support for trackpoint / multi-touch landed with kernel 5.x in ubuntu. See also https://www.spinics.net/lists/linux-input/msg60060.html -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1875983 Title: Thinkpad X1 Tablet Gen3 trackpoint and touchpad buttons not working with 5.3.0-51 Status in linux package in Ubuntu: Incomplete Bug description: As per summary, after dist-upgrading a 18.04LTS on the device, the trackpoint and touchpad buttons stopped working. Booting back with 5.3.0-40 has them working. Fix this regression pls (and also add support for the microphone) Update: Just tested 20.04LTS live, and i can reproduce the regression. For me, the last working kernel is 5.3.0-40. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1875983/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
