149です。aptitudeのログから関係のありそうなところを貼ってみます。

[UPGRADE] libxmu-dev 1:1.0.3-1 -> 2:1.0.4-1
[UPGRADE] libxmu-headers 1:1.0.3-1 -> 2:1.0.4-1
[UPGRADE] libxmu6 1:1.0.3-1 -> 2:1.0.4-1
[UPGRADE] libxmuu-dev 1:1.0.3-1 -> 2:1.0.4-1
[UPGRADE] libxmuu1 1:1.0.3-1 -> 2:1.0.4-1
[UPGRADE] x-ttcidfont-conf 26 -> 27
[UPGRADE] xinit 1.0.7-1 -> 1.0.7-2