From f2e85e57367e8ac3a6106e3919f450354a2cf725 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Mon, 15 Jun 2020 17:50:12 +0100 Subject: [PATCH] drm/i915/selftests: Dump engine state and trace upon hanging after reset 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 Reviewed-by: Mika Kuoppala Link: https://patchwork.freedesktop.org/patch/msgid/20200615165013.22973-2-chris@chris-wilson.co.uk --- drivers/gpu/drm/i915/gt/selftest_hangcheck.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/gpu/drm/i915/gt/selftest_hangcheck.c b/drivers/gpu/drm/i915/gt/selftest_hangcheck.c index 2af66f8ffbd2..7461936d549d 100644 --- a/drivers/gpu/drm/i915/gt/selftest_hangcheck.c +++ b/drivers/gpu/drm/i915/gt/selftest_hangcheck.c @@ -499,6 +499,20 @@ 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; } -- 2.17.1