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-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"
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https://bugs.launchpad.net/ubuntu/+source/xorg-server-lts-quantal/+bug/1212123/+subscriptions
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