[Intel-gfx] [PATCH 3/3] [RFC] drm/i915: add interface to simulate gpu hangs

[Chris Wilson]

On Fri, 4 Nov 2011 14:23:19 -0200, Eugeni Dodonov <eugeni at dodonov.net> wrote:
> Yep, it works for me. I can disable and enable rings at will by echo [01] >
> /sys/kernel/debug/dri/0/i915_ring_stop
> 
> I was using it for working further on that i915_error_state heuristics
> idea, outside of intel_decode. It is *very* handy to discover specific
> patterns in error_state's.

intel_gpu_dump or perchance reading the code ;-)
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre