I have a system with which I use a Lenovo USB keyboard with a trackpoint pointer -- the little red eraser mouse, as seen on the laptops. I hadn't updated this system in a while (I admit; bad, I know) and applied a big batch of updates (including from updates testing). Now, whenever I touch the pointer stick, the cursor jumps to the top left corner (0,0) and can't be moved from there. I plugged in an external mouse and that looks fine. The `libinput list-devices` command shows:
Device: Lenovo ThinkPad Compact USB Keyboard with TrackPoint Kernel: /dev/input/event10 Group: 8 Seat: seat0, default Capabilities: keyboard pointer Tap-to-click: n/a Tap-and-drag: n/a Tap drag lock: n/a Left-handed: disabled Nat.scrolling: disabled Middle emulation: disabled Calibration: n/a Scroll methods: *button Click methods: none Disable-w-typing: n/a Accel profiles: flat *adaptive Rotation: n/a
There was a kernel update, but going back to an older version doesn't solve it. I'm on Xorg on this system.
Any idea what might be going on, and what I can do about it? And, what recent update might have caused this?