The trackpad problems are fixed in Qubes R3.2-rc2 which I am running now. Earlier I was running Qubes R3.0 which indeed thought the trackpad was just a PS/2 mouse. So upgrade your Qubes.
The trackpad problems are fixed in Qubes R3.2-rc2 which I am running now. Earlier I was running Qubes R3.0 which indeed thought the trackpad was just a PS/2 mouse. So upgrade your Qubes.