Ubuntu
kmod package

  1. Bug #1722478
  2. Comment #16

Comment 16 for bug 1722478

Revision history for this message
Jean Demange (jea-demange) wrote : Re: Two-finger scrolling no longer works after resuming from suspend

The bug affects me as well, same machine. In the mean time, to avoid rebooting, you can reload the module, as super user:
modprobe -r psmouse
modprobe psmouse
This fix the problem for me.