I figured out that this bug is actually caused by "gcin". After removed it, everything becomes normal again.
-- Gedit automatically scroll to wrong position upon mouse click https://bugs.launchpad.net/bugs/495009 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gedit in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
