Ubuntu
linux package

  1. Bug #1949394
  2. Comment #103

Comment 103 for bug 1949394

Revision history for this message
In , mat.jonczyk (mat.jonczyk-linux-kernel-bugs) wrote :

(In reply to Benjamin Tissoires from comment #101)
> The problem comes that psmouse_probe() is not called at all (it should be
> called by psmouse_connect()). There are no traces of psmouse trying to ping
> the touchpad to guess its protocol.
>
> My suggestion would be to add some debug information to check that
> psmouse_connect() and psmouse_probe() are actually called. And if they are
> not, try to debug where they are cut short.

The touchpad is deaf and dead when it does not work.
It can be seen in the logs, it does not return a single byte.

Probably it is some driver core infrastructure that calls 0xf2 on the mouse which does not respond and the driver core gives up.