The source of the bug seems to be from scim. After uninstalling scim, the problem disappeared. But it is only a workaround. Hopefully there will be a real fix.
https://bugs.launchpad.net/ubuntu/+source/scim/+bug/66104
The source of the bug seems to be from scim. After uninstalling scim, the problem disappeared. But it is only a workaround. Hopefully there will be a real fix.
https:/ /bugs.launchpad .net/ubuntu/ +source/ scim/+bug/ 66104