This is caused by bad input event mask checking and handling in the X server for touchscreen pointer emulation. The following patches fix the issue:
http://lists.x.org/archives/xorg-devel/2012-April/030265.html http://lists.x.org/archives/xorg-devel/2012-April/030267.html http://lists.x.org/archives/xorg-devel/2012-April/030266.html ** Package changed: unity (Ubuntu) => xorg-server (Ubuntu) ** Changed in: xorg-server (Ubuntu) Milestone: None => ubuntu-12.04 ** Changed in: xorg-server (Ubuntu) Status: Triaged => In Progress ** Changed in: xorg-server (Ubuntu) Status: In Progress => Fix Committed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/949791 Title: Touchscreen does not work with unity-3d To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/949791/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
