Após a atualização de hoje, o touchpad começou a funcionar como esperado, ou seja, simulando o botão direito do mouse, quando dois dedos são pressionados.
Start-Date: 2015-06-11 06:29:02
Commandline: apt-get -y dist-upgrade
Install: linux-image-extra-3.13.0-54-generic:amd64 (3.13.0-54.91, automatic), linux-image-3.13.0-54-generic:amd64 (3.13.0-54.91, automatic), linux-headers-3.16.0-39:amd64 (3.16.0-39.53~14.04.1, automatic), linux-headers-3.13.0-54-generic:amd64 (3.13.0-54.91, automatic), linux-image-3.16.0-39-generic:amd64 (3.16.0-39.53~14.04.1, automatic), linux-headers-3.16.0-39-generic:amd64 (3.16.0-39.53~14.04.1, automatic), linux-headers-3.13.0-54:amd64 (3.13.0-54.91, automatic), linux-image-extra-3.16.0-39-generic:amd64 (3.16.0-39.53~14.04.1, automatic), linux-signed-image-3.16.0-39-generic:amd64 (3.16.0-39.53~14.04.1, automatic)
Upgrade: linux-signed-image-generic-lts-utopic:amd64 (3.16.0.38.30, 3.16.0.39.31), linux-headers-generic:amd64 (3.13.0.53.60, 3.13.0.54.61), cups-core-drivers:amd64 (1.7.2-0ubuntu1.5, 1.7.2-0ubuntu1.6), qemu-system-common:amd64 (2.0.0+dfsg-2ubuntu1.11, 2.0.0+dfsg-2ubuntu1.13), cups-server-common:amd64 (1.7.2-0ubuntu1.5, 1.7.2-0ubuntu1.6), libgail-3-0:amd64 (3.10.8-0ubuntu1.4, 3.10.8-0ubuntu1.5), gir1.2-gtk-3.0:amd64 (3.10.8-0ubuntu1.4, 3.10.8-0ubuntu1.5), libcups2:amd64 (1.7.2-0ubuntu1.5, 1.7.2-0ubuntu1.6), libcups2:i386 (1.7.2-0ubuntu1.5, 1.7.2-0ubuntu1.6), cups-daemon:amd64 (1.7.2-0ubuntu1.5, 1.7.2-0ubuntu1.6), linux-image-generic-lts-utopic:amd64 (3.16.0.38.30, 3.16.0.39.31), libcupsmime1:amd64 (1.7.2-0ubuntu1.5, 1.7.2-0ubuntu1.6), cups-client:amd64 (1.7.2-0ubuntu1.5, 1.7.2-0ubuntu1.6), libcupsimage2:amd64 (1.7.2-0ubuntu1.5, 1.7.2-0ubuntu1.6), libnuma1:amd64 (2.0.9~rc5-1ubuntu3, 2.0.9~rc5-1ubuntu3.14.04.1), qemu-kvm:amd64 (2.0.0+dfsg-2ubuntu1.11, 2.0.0+dfsg-2ubuntu1.13), cups:amd64 (1.7.2-0ubuntu1.5, 1.7.2-0ubuntu1.6), libgtk-3-bin:amd64 (3.10.8-0ubuntu1.4, 3.10.8-0ubuntu1.5), qemu-keymaps:amd64 (2.0.0+dfsg-2ubuntu1.11, 2.0.0+dfsg-2ubuntu1.13), linux-signed-generic-lts-utopic:amd64 (3.16.0.38.30, 3.16.0.39.31), cups-bsd:amd64 (1.7.2-0ubuntu1.5, 1.7.2-0ubuntu1.6), libgtk-3-0:amd64 (3.10.8-0ubuntu1.4, 3.10.8-0ubuntu1.5), libpq-dev:amd64 (9.3.7-0ubuntu0.14.04, 9.3.8-0ubuntu0.4.04), libcupscgi1:amd64 (1.7.2-0ubuntu1.5, 1.7.2-0ubuntu1.6), libcupsppdc1:amd64 (1.7.2-0ubuntu1.5, 1.7.2-0ubuntu1.6), libgtk-3-common:amd64 (3.10.8-0ubuntu1.4, 3.10.8-0ubuntu1.5), cups-common:amd64 (1.7.2-0ubuntu1.5, 1.7.2-0ubuntu1.6), qemu-utils:amd64 (2.0.0+dfsg-2ubuntu1.11, 2.0.0+dfsg-2ubuntu1.13), qemu-system-x86:amd64 (2.0.0+dfsg-2ubuntu1.11, 2.0.0+dfsg-2ubuntu1.13), linux-generic-lts-utopic:amd64 (3.16.0.38.30, 3.16.0.39.31), cups-ppdc:amd64 (1.7.2-0ubuntu1.5, 1.7.2-0ubuntu1.6), linux-libc-dev:amd64 (3.13.0-53.89, 3.13.0-54.91), libpq5:amd64 (9.3.7-0ubuntu0.14.04, 9.3.8-0ubuntu0.4.04), linux-headers-generic-lts-utopic:amd64 (3.16.0.38.30, 3.16.0.39.31), linux-image-generic:amd64 (3.13.0.53.60, 3.13.0.54.61), linux-generic:amd64 (3.13.0.53.60, 3.13.0.54.61)
End-Date: 2015-06-11 06:31:33
Acho mais provável que a atualização do kernel tenha corrigido o problema. No final, a instalação em um Toshiba Kirabook do Ubuntu 14.04 LTS foi essencialmente indolor. Tudo está bem quando acaba bem.