[Bug 77263] [BDW GT3]System hangs while running glxgear with SNA

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=77263

--- Comment #16 from Guo Jinxian <jinxianx.guo at intel.com> ---
(In reply to comment #13)
> One thing to try is
> 
> commit b12bc035fb8ee40bb382e66604e869b729270189
> Author: Chris Wilson <chris at chris-wilson.co.uk>
> Date:   Tue Apr 22 12:30:29 2014 +0100
> 
>     sna: Add a DBG aide to disable hardware execution
>     
>     Submit a dummy batch so that we still build, submit batches and perform
>     relocations, but do not actually invoke the GPU. This can be useful when
>     looking at mysterious hardware hangs.
>     
>     References: https://bugs.freedesktop.org/show_bug.cgi?id=77263
>     Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> 
> and
> 
> diff --git a/src/sna/kgem.c b/src/sna/kgem.c
> index 82199a1..68b0917 100644
> --- a/src/sna/kgem.c
> +++ b/src/sna/kgem.c
> @@ -61,7 +61,7 @@ static struct kgem_bo *
>  search_snoop_cache(struct kgem *kgem, unsigned int num_pages, unsigned
> flags);
>  
>  #define DBG_NO_HW 0
> -#define DBG_NO_EXEC 0
> +#define DBG_NO_EXEC 1
>  #define DBG_NO_TILING 0
>  #define DBG_NO_CACHE 0
>  #define DBG_NO_CACHE_LEVEL 0
> 
> That will isolate the fault in either the driver or the hardware.


Sorry, I did't find this commit in -nightly -fixes and -next-queued branch,
could you tell me, which branch this commit in? Thanks.

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