[Intel-gfx] [PATCH v2] tests/gem_error_capture: Initial testcase for error state capture/dump

[Mateo Lozano, Oscar]

> I would add a little more smarts to both the kernel and error-decode.
> In the kernel, we can print the guilty request, which you can then use to
> confirm that it is yours. That seems to me to be a stronger validation of
> gem_error_capture, and a useful bit of information from hangstats that we do
> not expose currently.

That sounds good. I have to add a number of other things to i915_gpu_error as part of the Execlists code, so I´ll add a "--- guilty request" as well and resubmit this test together with the series.

Thanks,
Oscar