(In reply to Andy Furniss from comment #15)
> Can you reproduce this with mpv?
> 
> What do you need to do with mplayer to produce - how often/when does it
> crash eg. at start or after a while.
> 
> If you can't reproduce with mpv eg.
> 
> mpv --hwdec=vdpau --vo=vdpau .....
> 
> I already have a bug open that could be a better match.
> 
> Also does the kernel output vary between crashes?

Oops I see you already said "when I start to play" - this is my bug  -

https://bugs.freedesktop.org/show_bug.cgi?id=83998