[Bug 99671] [v4.10] GPU HANG: ecode 6:0:0xbd69ffff, in compiz [2609], reason: Ring hung, action: reset

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99671

--- Comment #30 from Chris Wilson <chris at chris-wilson.co.uk> ---
Can you try:

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c
b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 4ffa35faff49..df094699ba9d 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -1217,10 +1217,6 @@ static int init_status_page(struct intel_engine_cs
*engine)
                return PTR_ERR(obj);
        }

-       ret = i915_gem_object_set_cache_level(obj, I915_CACHE_LLC);
-       if (ret)
-               goto err;
-
        vma = i915_vma_instance(obj, &engine->i915->ggtt.base, NULL);
        if (IS_ERR(vma)) {
                ret = PTR_ERR(vma);
@@ -1244,7 +1240,7 @@ static int init_status_page(struct intel_engine_cs
*engine)
        if (ret)
                goto err;

-       vaddr = i915_gem_object_pin_map(obj, I915_MAP_WB);
+       vaddr = i915_gem_object_pin_map(obj, I915_MAP_WC);
        if (IS_ERR(vaddr)) {
                ret = PTR_ERR(vaddr);
                goto err_unpin;

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