If we fail to reset the GPU in a timely fashion, dump the GEM trace so
that we can see what operations were in flight when the GPU got stuck.
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/selftests/intel_hangcheck.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/selftests/intel_hangcheck.c b/drivers/gpu/drm/i915/selftests/intel_hangcheck.c
index 4372826998aa..380eede30cd5 100644
--- a/drivers/gpu/drm/i915/selftests/intel_hangcheck.c
+++ b/drivers/gpu/drm/i915/selftests/intel_hangcheck.c
@@ -260,8 +260,11 @@ static void wedge_me(struct work_struct *work)
{
struct wedge_me *w = container_of(work, typeof(*w), work.work);
- pr_err("%pS timed out, cancelling all further testing.\n",
- w->symbol);
+ pr_err("%pS timed out, cancelling all further testing.\n", w->symbol);
+
+ GEM_TRACE("%pS timed out.\n", w->symbol);
+ GEM_TRACE_DUMP();
+
i915_gem_set_wedged(w->i915);
}
--
2.16.2
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