(In reply to comment #23)
> >>So my patch fixes the virtual address allocation failure?
>   I am must change the code. you patch isn't work .

My 'Use CPU page size instead of hardcoding 4096' patch should encompass both
changes you mentioned before. What other changes do you need for that?

> >>What did you try running when this happened?
>    i am using X:0& starting X, and I am runing xterm  The GPU is lockup
> still . ring index is 0

As discussed before, can you try running a simpler app which doesn't need X,
e.g. egltri_screen from the mesa/demos repository?