I experienced a very similar bug in Inkscape and current xorg-server:
https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1081108
Other users report that the bug is trackpad-disable-related. Maybe this is of interest to people subscribed to this bug.
I experienced a very similar bug in Inkscape and current xorg-server:
https:/ /bugs.launchpad .net/ubuntu/ +source/ xorg-server/ +bug/1081108
Other users report that the bug is trackpad- disable- related. Maybe this is of interest to people subscribed to this bug.