KWIN seems to frooze computer when playing video

[Guest TassadarLinux]

Hi all,

 

I'm using Kubuntu 14.04 on my HTPC and I'm experiecing a problem that make computer randomly hangs when playing a video with XBMC 13.0, it can happend after 10 minutes playback a video or 1 hour, or some hours..... When it happends, image freezes and audio continues working, but system doesn't respond and I have to reset.

 

Today when it happened I tried to make system work by using mouse and keyboard, and it recovered from the problem, showing by a little time a message saying something like "window manager KWIN has been restarted due to a graphical error".

 

So KWIN seems to be the problem....

 

I forgot to tell.... I'm using XBMC 13.0 with Aeon Nox 4.1.9.9 for Gotham

 

¿Any help?

 

Many thanks in advance

 

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