I also upgraded Ubuntu on our media PC. After the upgrade XBMC started to act strangely. When I tried to move up or down in the menu, it jumped two for each keypress. During the playback, sometimes the video froze for a fraction of the second, while the sound was continuing normally, then the video fast forwarded and caught up with the audio. The third issue was that the OSD wasn’t visible. It appeared for a quick moment, but then it disappeared. It was still there, but it wasn’t visible.
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