Score:2

Lenovo trackpoint stops working randomly

in flag

The trackpoint and associated mouse buttons recently stopped working on my Lenovo P50 laptop. The recent automatic updates (Ubuntu 20.04.3 LTS, October 2021) played havoc with the trackpad, but that was fixed by re-installing libinput and synapics. Unfortunately, this did not fix the trackpoint and its associated mouse buttons.

I've searched stack exchange, and existing knowledge of this is pretty old (relating to bugs from a few years ago), or relating to different problems (intermittent trackpoint failure or issues with the trackpad, not trackpoint).

Would anyone happen to know if there is a standard way to fix this? Perhaps I missed something.

Edit: to add to the weirdness, the trackpoint works again after resuming from suspend. However, it will randomly stop working some minutes later.

in flag
I don't have any help, but I'm having the same thing happen occasionally with both a T470s and T495s running Debian 11. I get this in kern.log when it happens: `Jan 10 10:34:01 dragoncable kernel: [109592.227858] psmouse serio2: Mouse at rmi4-00.fn03/serio0/input0 lost synchronization, throwing 2 bytes away.` `Jan 10 10:34:03 dragoncable kernel: [109594.516833] psmouse serio2: failed to re-enable mouse on rmi4-00.fn03/serio0` `Jan 10 10:34:03 dragoncable kernel: [109594.516836] psmouse serio2: resync failed, issuing reconnect request`
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