Comment # 5 on bug 91268 from Kajzer

(In reply to Alex Deucher from comment #4)
> Created attachment 117089 [details] [review] [review]
> disable uc/wc
> 
> The attached patch will disable uncached mappings.

Thanks Alex !
I've patched kernel 3.18.8 and I'm running it right now.
I'll see what happens, hopefully it won't hang ! :)