Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> writes:
> If the engine dies after a reset, and so we fail to submit a request
> but need to be interrupted by the CI runner, dump the engine state.
>
> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/i915/gt/selftest_hangcheck.c | 15 +++++++++++++++
> 1 file changed, 15 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/gt/selftest_hangcheck.c b/drivers/gpu/drm/i915/gt/selftest_hangcheck.c
> index 2af66f8ffbd2..1ea4935e0eeb 100644
> --- a/drivers/gpu/drm/i915/gt/selftest_hangcheck.c
> +++ b/drivers/gpu/drm/i915/gt/selftest_hangcheck.c
> @@ -499,6 +499,21 @@ static int igt_reset_nop_engine(void *arg)
>
> rq = intel_context_create_request(ce);
> if (IS_ERR(rq)) {
> + struct drm_printer p =
> + drm_info_printer(gt->i915->drm.dev);
> + intel_engine_dump(engine, &p,
> + "%s(%s): failed to submit request\n",
> + __func__,
> + engine->name);
> +
> +
> + GEM_TRACE("%s(%s): failed to submit request\n",
> + __func__,
> + engine->name);
> + GEM_TRACE_DUMP();
> +
> + intel_gt_set_wedged(gt);
> +
> err = PTR_ERR(rq);
> break;
> }
> --
> 2.20.1
>
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