If it can be of any help, here is the xorg log when using Natty (from live CD) on the same machine, with the touchscreen working correctly.
[ 101.106] (II) config/udev: Adding input device Serial Wacom Tablet (/dev/ttyS4) [ 101.106] (**) Serial Wacom Tablet: Applying InputClass "Wacom serial class" [ 101.106] (II) LoadModule: "wacom" [ 101.107] (II) Loading /usr/lib/xorg/modules/input/wacom_drv.so [ 101.107] (II) Module wacom: vendor="X.Org Foundation" [ 101.107] compiled for 1.10.0, module version = 0.10.11 [ 101.107] Module class: X.Org XInput Driver [ 101.107] ABI class: X.Org XInput driver, version 12.3 [ 101.107] (II) Using input driver 'wacom' for 'Serial Wacom Tablet' [ 101.107] (II) Loading /usr/lib/xorg/modules/input/wacom_drv.so [ 101.108] (**) Serial Wacom Tablet: always reports core events [ 101.108] (**) Option "Device" "/dev/ttyS4" [ 101.108] (**) Option "StopBits" "1" [ 101.108] (**) Option "DataBits" "8" [ 101.108] (**) Option "Parity" "None" [ 101.108] (**) Option "Vmin" "1" [ 101.108] (**) Option "Vtime" "10" [ 101.108] (**) Option "FlowControl" "Xoff" [ 101.108] (II) Serial Wacom Tablet: type not specified, assuming 'stylus'. [ 101.108] (II) Serial Wacom Tablet: other types will be automatically added. [ 101.624] (II) Serial Wacom Tablet stylus: serial tablet id 0xE3. [ 101.624] (--) Serial Wacom Tablet stylus: using pressure threshold of 27 for button 1 [ 101.624] (--) Serial Wacom Tablet stylus: Wacom General ISDV4 tablet maxX=26312 maxY=16520 maxZ=127 resX=100000 resY=100000 tilt=disabled [ 101.624] (II) Serial Wacom Tablet stylus: hotplugging dependent devices. [ 101.624] (**) Serial Wacom Tablet eraser: Applying InputClass "Wacom serial class" [ 101.624] (II) Using input driver 'wacom' for 'Serial Wacom Tablet eraser' [ 101.624] (II) Loading /usr/lib/xorg/modules/input/wacom_drv.so [ 101.624] (**) Serial Wacom Tablet eraser: always reports core events [ 101.624] (**) Option "Device" "/dev/ttyS4" [ 101.624] (**) Option "BaudRate" "38400" [ 101.624] (**) Option "StopBits" "1" [ 101.624] (**) Option "DataBits" "8" [ 101.624] (**) Option "Parity" "None" [ 101.624] (**) Option "Vmin" "1" [ 101.624] (**) Option "Vtime" "10" [ 101.624] (**) Option "FlowControl" "Xoff" [ 101.624] (--) Serial Wacom Tablet eraser: Wacom General ISDV4 tablet maxX=26312 maxY=16520 maxZ=127 resX=100000 resY=100000 tilt=disabled [ 101.624] (**) Option "config_info" "udev:/sys/devices/pnp0/00:0b/tty/ttyS4" [ 101.624] (II) XINPUT: Adding extended input device "Serial Wacom Tablet eraser" (type: ERASER) [ 101.625] (--) Serial Wacom Tablet eraser: top X=0 top Y=0 bottom X=26312 bottom Y=16520 resol X=100000 resol Y=100000 [ 101.625] (**) Serial Wacom Tablet eraser: (accel) keeping acceleration scheme 1 [ 101.625] (**) Serial Wacom Tablet eraser: (accel) acceleration profile 0 [ 101.625] (**) Serial Wacom Tablet eraser: (accel) acceleration factor: 2.000 [ 101.625] (**) Serial Wacom Tablet eraser: (accel) acceleration threshold: 4 [ 101.625] (**) Option "BaudRate" "38400" [ 101.625] (**) Serial Wacom Tablet touch: Applying InputClass "Wacom serial class" [ 101.625] (II) Using input driver 'wacom' for 'Serial Wacom Tablet touch' [ 101.625] (II) Loading /usr/lib/xorg/modules/input/wacom_drv.so [ 101.625] (**) Serial Wacom Tablet touch: always reports core events [ 101.625] (**) Option "Device" "/dev/ttyS4" [ 101.625] (**) Option "BaudRate" "38400" [ 101.625] (**) Option "StopBits" "1" [ 101.626] (**) Option "DataBits" "8" [ 101.626] (**) Option "Parity" "None" [ 101.626] (**) Option "Vmin" "1" [ 101.626] (**) Option "Vtime" "10" [ 101.626] (**) Option "FlowControl" "Xoff" [ 101.626] (--) Serial Wacom Tablet touch: Wacom General ISDV4 tablet maxX=26312 maxY=16520 maxZ=127 resX=100000 resY=100000 tilt=disabled [ 101.626] (**) Option "config_info" "udev:/sys/devices/pnp0/00:0b/tty/ttyS4" [ 101.626] (II) XINPUT: Adding extended input device "Serial Wacom Tablet touch" (type: TOUCH) [ 101.626] (--) Serial Wacom Tablet touch: top X=0 top Y=0 bottom X=2631 bottom Y=1652 resol X=10000 resol Y=10000 [ 101.626] (**) Serial Wacom Tablet touch: (accel) keeping acceleration scheme 1 [ 101.626] (**) Serial Wacom Tablet touch: (accel) acceleration profile 0 [ 101.626] (**) Serial Wacom Tablet touch: (accel) acceleration factor: 2.000 [ 101.626] (**) Serial Wacom Tablet touch: (accel) acceleration threshold: 4 [ 101.627] (II) Serial Wacom Tablet stylus: hotplugging completed. [ 101.627] (**) Option "config_info" "udev:/sys/devices/pnp0/00:0b/tty/ttyS4" [ 101.627] (II) XINPUT: Adding extended input device "Serial Wacom Tablet stylus" (type: STYLUS) [ 101.627] (--) Serial Wacom Tablet stylus: top X=0 top Y=0 bottom X=26312 bottom Y=16520 resol X=100000 resol Y=100000 [ 101.627] (**) Serial Wacom Tablet stylus: (accel) keeping acceleration scheme 1 [ 101.627] (**) Serial Wacom Tablet stylus: (accel) acceleration profile 0 [ 101.627] (**) Serial Wacom Tablet stylus: (accel) acceleration factor: 2.000 [ 101.627] (**) Serial Wacom Tablet stylus: (accel) acceleration threshold: 4 -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xf86-input-wacom in Ubuntu. https://bugs.launchpad.net/bugs/835634 Title: Touchscreen not working, Lenovo X201t To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xf86-input-wacom/+bug/835634/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
