is fixed in 13.04->
** Also affects: xorg-server (Ubuntu Precise)
Importance: Undecided
Status: New
** Also affects: xorg-server-lts-quantal (Ubuntu Precise)
Importance: Undecided
Status: New
** Also affects: xorg-server (Ubuntu Quantal)
Importance: Undecided
Status: New
** Also affects: xorg-server-lts-quantal (Ubuntu Quantal)
Importance: Undecided
Status: New
** No longer affects: xorg-server (Ubuntu Precise)
** No longer affects: xorg-server-lts-quantal (Ubuntu Quantal)
** Changed in: xorg-server (Ubuntu Quantal)
Assignee: (unassigned) => Timo Aaltonen (tjaalton)
** Changed in: xorg-server (Ubuntu)
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1212123
Title:
Erratic cursor movement when using "Coordinate Transformation Matrix"
Status in “xorg-server” package in Ubuntu:
Fix Released
Status in “xorg-server-lts-quantal” package in Ubuntu:
New
Status in “xorg-server-lts-quantal” source package in Precise:
New
Status in “xorg-server” source package in Quantal:
New
Bug description:
= 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.
P.S. Ubuntu 13.04 is OK.
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