[Bug 89334] [945 regression] 4.0-rc1 kernel GPU hang: ecode 3:0:0x02faffcf (i915) stuck on render ring ecode 3:0:0x02faffcf

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89334

--- Comment #24 from Jim <jimmcdevitt60 at gmail.com> ---
(In reply to Chris Wilson from comment #23)
> One final ddx change just to check a potential root cause of the problem:
> 
> diff --git a/src/sna/kgem.c b/src/sna/kgem.c
> index a5571aa..adf52d6 100644
> --- a/src/sna/kgem.c
> +++ b/src/sna/kgem.c
> @@ -83,7 +83,7 @@ search_snoop_cache(struct kgem *kgem, unsigned int
> num_pages, unsigned flags);
>  #define DBG_NO_FAST_RELOC 0
>  #define DBG_NO_HANDLE_LUT 0
>  #define DBG_NO_WT 0
> -#define DBG_NO_WC_MMAP 0
> +#define DBG_NO_WC_MMAP 1
>  #define DBG_DUMP 0
>  #define DBG_NO_MALLOC_CACHE 0

OK have more for you in the AM. Many thanks for your time.

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