Public bug reported: = Affected Packages =
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. ** Affects: xorg-server-lts-quantal (Ubuntu) Importance: Undecided Status: New ** Description changed: - = Package Version = + = 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 = 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 Bugs, which is subscribed to 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 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs