[Beignet] "utest_run -c runtime_use_host_ptr_buffer" failed to release test userptr object!

[Gao, Sanshan]

Hello, 


1. When I run "./utest_run -c runtime_use_host_ptr_buffer", I get this message:


... ...
device_opencl_c_version "OpenCL C 1.2 beignet 1.1 (git-83f8739)"
Failed to release test userptr object! (9) i915 kernel driver may not be sane!
21 image formats are supported
... ...
runtime_use_host_ptr_buffer()    [SUCCESS]
Failed to release test userptr object! (9) i915 kernel driver may not be sane!


summary:
----------
  total: 681
  run: 1
  pass: 1
  fail: 0
  pass rate: 1.000000


2. When I run "cmake ../", maybe everything is OK, because I get this message:
-- Building mode: RelWithDebInfo
-- LLVM llvm-config found at: /usr/bin/llvm-config-3.5
-- find unstable LLVM version 3.5.0
-- Looking for XLib - found
-- Looking for DRM - found at /usr 2.4.60
-- Looking for DRM Intel - found at /usr 2.4.60
-- Enable userptr support
-- Enable EU total query support
-- Enable subslice total query support
-- Looking for OpenGL - found at /usr
-- Looking for Xext - found at /usr
-- Looking for Xfixes - found at /usr
-- Looking for EGL - found at /usr
-- Looking for OCL ICD header file - found
-- Building mode: RelWithDebInfo
running cd "/home/gss/files/beignet/utests" && mkdir generated -p  2>&1
-- Configuring done
-- Generating done
-- Build files have been written to: /home/gss/files/beignet/build


3. I have written a simple demo using CL_MEM_USE_HOST_PTR, and it gets right result.


Problem: What's wrong with my Beignet? 





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