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
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 lists.x. org/archives/ xorg-devel/ 2012-April/ 030267. html lists.x. org/archives/ xorg-devel/ 2012-April/ 030266. html
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