http://forums.debian.net/viewtopic.php?f=6&t=120734

depois o cursor desaparece:
http://itsfoss.com/invisible-mouse-cursor-ubuntu-1310/

wget http://flerp.hu/debian/sis671-jessie/README
wget http://flerp.hu/debian/sis671-jessie/libaudit0dc_1.7.18-1.2dc_i386.deb
wget http://flerp.hu/debian/sis671-jessie/sisctrl_0.0.20051202_i386.deb
wget http://flerp.hu/debian/sis671-jessie/xserver-xorg-core_1.16.4-2dc_i386…
wget http://flerp.hu/debian/sis671-jessie/xserver-xorg-input-evdev_2.9.0-3dc…
wget http://flerp.hu/debian/sis671-jessie/xserver-xorg-input-mouse_1.9.1-2dc…
wget http://flerp.hu/debian/sis671-jessie/xserver-xorg-input-synaptics_1.8.1…
wget http://flerp.hu/debian/sis671-jessie/xserver-xorg-video-sisimedia_0.8.0…
wget http://flerp.hu/debian/sis671-jessie/xserver-xorg_7.7+8dc_i386.deb
wget http://flerp.hu/debian/sis671-jessie/libudev0_175-7.2_i386.deb
wget http://flerp.hu/debian/sis671-jessie/libgcrypt11_1.5.0-5+deb7u3_i386.deb
wget http://flerp.hu/debian/sis671-jessie/libaudit0_1.7.18-1.1_i386.deb
wget http://flerp.hu/debian/sis671-jessie/libaudit-common_2.4-1_all.deb

dpkg -i libaudit0dc_1.7.18-1.2dc_i386.deb sisctrl_0.0.20051202_i386.deb xserver-xorg_7.7+8dc_i386.deb xserver-xorg-core_1.16.4-2dc_i386.deb xserver-xorg-input-evdev_2.9.0-3dc_i386.deb xserver-xorg-input-mouse_1.9.1-2dc_i386.deb xserver-xorg-input-synaptics_1.8.1-2dc_i386.deb xserver-xorg-video-sisimedia_0.8.0dc_i386.deb libudev0_175-7.2_i386.deb libgcrypt11_1.5.0-5+deb7u3_i386.deb libaudit0_1.7.18-1.1_i386.deb libaudit-common_2.4-1_all.deb

echo xserver-xorg hold | dpkg --set-selections
echo xserver-xorg-core hold | dpkg --set-selections
echo xserver-xorg-input-evdev hold | dpkg --set-selections
echo xserver-xorg-input-mouse hold | dpkg --set-selections
echo xserver-xorg-input-synaptics hold | dpkg --set-selections

cd /lib/i386-linux-gnu/
ln -sf libudev.so.1 libudev.so.0

reboot

Xorg -configure
cp /root/xorg.conf.new /etc/X11/xorg.conf

reboot

gsettings set org.gnome.settings-daemon.plugins.cursor active false