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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [GLK] GPU HANG: ecode 9:0:0xfffffffe, reason: hang on rcs0, bcs0, vcs0, vecs0, action: reset"
href="https://bugs.freedesktop.org/show_bug.cgi?id=106385#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [GLK] GPU HANG: ecode 9:0:0xfffffffe, reason: hang on rcs0, bcs0, vcs0, vecs0, action: reset"
href="https://bugs.freedesktop.org/show_bug.cgi?id=106385">bug 106385</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>It appears that 5s after queuing the initial requests, we haven't even
submitted them to HW. Quite distressing!
I see you are running with tip, could you please enable
CONFIG_DRM_I915_TRACE_GEM=y and apply something like:
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c
b/drivers/gpu/drm/i915/i915_gpu_error.c
index df234dc23274..6207bc35a53d 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -1840,6 +1840,8 @@ void i915_capture_error_state(struct drm_i915_private
*i915,
return;
}
+ GEM_TRACE_DUMP();
+
i915_error_capture_msg(i915, error, engine_mask, error_msg);
DRM_INFO("%s\n", error->error_msg);</pre>
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