For the symptom I mentioned in comment #104, it is found a Nvidia issue. Please check https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics- drivers-331/+bug/1210077
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For the symptom I mentioned in comment #104, it is found a Nvidia issue. Please check https:/ /bugs.launchpad .net/ubuntu/ +source/ nvidia- graphics- 331/+bug/ 1210077
drivers-
Close oem-priority task