[Bug 72742] [ILK/HSW]igt/gem_tiled_swapping randomly causes OOM killer

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=72742

lu hua <huax.lu at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |NEW

--- Comment #3 from lu hua <huax.lu at intel.com> ---
Patch failed at @@ -5060,6 +5060,26 @@ static bool mutex_is_locked_by(struct
mutex *mutex, struct task_struct *task).

Add this patch as following, It still fails with OOM killer.
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -5060,6 +5060,26 @@ static bool mutex_is_locked_by(struct mutex *mutex,
struct task_struct *task)
 #endif
 }

+static bool
+i915_gem_shrinker_lock(struct drm_device *dev, bool *unlock)
+{
+    *unlock = true;
+    if (mutex_trylock(&dev->struct_mutex))
+        return true;
+
+    if (mutex_is_locked_by(&dev->struct_mutex, current)) {
+        if (to_i915(dev)->mm.shrinker_no_lock_stealing)
+            return false;
+
+        *unlock = false;
+    } else {
+        if (i915_mutex_lock_interruptible(dev))
+            return false;
+    }
+
+    return true;
+}
+
 static int num_vma_bound(struct drm_i915_gem_object *obj)
 {
     struct i915_vma *vma;

-- 
You are receiving this mail because:
You are the QA Contact for the bug.
You are on the CC list for the bug.
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/intel-gfx-bugs/attachments/20140115/de020a7f/attachment.html>