** Description changed: = Affected Packages = - xserver-xorg-core-lts-quantal 2:1.13.0-0ubuntu6.1~precise2 - xserver-xorg-core-lts-quantal 2:1.13.0-0ubuntu6.1~precise3 + xserver-xorg-core-lts-quantal 2:1.13.0-0ubuntu6.1~precise2 in precise + xserver-xorg-core-lts-quantal 2:1.13.0-0ubuntu6.1~precise3 in precise = Reproduce Steps = 1. Boot into Ubuntu 12.04.2 live system 2. Expand the laptop display to the external one. For example, `xrandr --output eDP1 --auto --output HDMI1 --auto --right-of eDP1` 3. Restrict the movements of the touchscreen to the laptop display. For example, `xinput map-to-crtc 'ELAN Touchscreen' eDP1` P.S. `xinput map-to-crtc` will calculate and set "Coordinate Transformation Matrix" correspondingly. = Expected Result = I can operate the touchscreen on the laptop display as usual. = Actual Result = It becomes abnormal and shows erratic cursor movement.
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server-lts-quantal in Ubuntu. https://bugs.launchpad.net/bugs/1212123 Title: Erratic cursor movement when using "Coordinate Transformation Matrix" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server-lts-quantal/+bug/1212123/+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
