[Beignet] possilbe bug when run opencv_test_imgproc

[Zhigang Gong]

Can't reproduce it here. Did you use the latest git master?

The latest git version is 
commit 33a043e903f9d61445d3fb7972becf83c2842276
Author: Junyan He <junyan.he at linux.intel.com>
Date:   Thu Oct 23 13:09:00 2014 +0800

    Add the disasm support for Gen8

    Signed-off-by: Junyan He <junyan.he at linux.intel.com>
    Reviewed-by: Zhigang Gong <zhigang.gong at linux.intel.com>
    Reviewed-by: "Yang, Rong R" <rong.r.yang at intel.com>


Just a reminder, when report a bug/issue, please update to the latest git
master version and test it again and if it could reproduce please write
done the git hash in the report.

Thanks,
Zhigang Gong.

On Thu, Oct 23, 2014 at 03:24:01AM -0700, yan.wang at linux.intel.com wrote:
> Hi, All,
>    I found one possible bug for review.
>    if run the following:
> ./opencv_test_imgproc --gtest_filter=OCL_ImageProc/Filter2D.Mat*.
>    OCL_ImageProc/Filter2D.Mat/256 failed and continue. But the whole test
> flow will crash in OCL_ImageProc/Filter2D.Mat/257:
> [  FAILED  ] OCL_ImageProc/Filter2D.Mat/240, where GetParam() = (CV_8U,
> Channels(2), 7, 1, BORDER_CONSTANT, false, false) (6433 ms)
> [ RUN      ] OCL_ImageProc/Filter2D.Mat/241
> [       OK ] OCL_ImageProc/Filter2D.Mat/241 (358 ms)
> [ RUN      ] OCL_ImageProc/Filter2D.Mat/242
> [       OK ] OCL_ImageProc/Filter2D.Mat/242 (311 ms)
> [ RUN      ] OCL_ImageProc/Filter2D.Mat/243
> [       OK ] OCL_ImageProc/Filter2D.Mat/243 (6 ms)
> [ RUN      ] OCL_ImageProc/Filter2D.Mat/244
> [       OK ] OCL_ImageProc/Filter2D.Mat/244 (203 ms)
> [ RUN      ] OCL_ImageProc/Filter2D.Mat/245
> [       OK ] OCL_ImageProc/Filter2D.Mat/245 (207 ms)
> [ RUN      ] OCL_ImageProc/Filter2D.Mat/246
> [       OK ] OCL_ImageProc/Filter2D.Mat/246 (203 ms)
> [ RUN      ] OCL_ImageProc/Filter2D.Mat/247
> [       OK ] OCL_ImageProc/Filter2D.Mat/247 (7 ms)
> [ RUN      ] OCL_ImageProc/Filter2D.Mat/248
> [       OK ] OCL_ImageProc/Filter2D.Mat/248 (210 ms)
> [ RUN      ] OCL_ImageProc/Filter2D.Mat/249
> [       OK ] OCL_ImageProc/Filter2D.Mat/249 (207 ms)
> [ RUN      ] OCL_ImageProc/Filter2D.Mat/250
> [       OK ] OCL_ImageProc/Filter2D.Mat/250 (208 ms)
> [ RUN      ] OCL_ImageProc/Filter2D.Mat/251
> [       OK ] OCL_ImageProc/Filter2D.Mat/251 (7 ms)
> [ RUN      ] OCL_ImageProc/Filter2D.Mat/252
> [       OK ] OCL_ImageProc/Filter2D.Mat/252 (214 ms)
> [ RUN      ] OCL_ImageProc/Filter2D.Mat/253
> [       OK ] OCL_ImageProc/Filter2D.Mat/253 (207 ms)
> [ RUN      ] OCL_ImageProc/Filter2D.Mat/254
> [       OK ] OCL_ImageProc/Filter2D.Mat/254 (212 ms)
> [ RUN      ] OCL_ImageProc/Filter2D.Mat/255
> [       OK ] OCL_ImageProc/Filter2D.Mat/255 (7 ms)
> [ RUN      ] OCL_ImageProc/Filter2D.Mat/256
> /home/yanwang/opencv/modules/imgproc/test/ocl/test_filter2d.cpp:106: Failure
> Expected: (TestUtils::checkNorm2(dst, udst)) <= (threshold), actual: 255 vs 1
> Size: [92 x 61]
> 
> /home/yanwang/opencv/modules/imgproc/test/ocl/test_filter2d.cpp:107: Failure
> Expected: (TestUtils::checkNorm2(dst_roi, udst_roi)) <= (threshold),
> actual: 255 vs 1
> Size: [92 x 61]
> 
> [  FAILED  ] OCL_ImageProc/Filter2D.Mat/256, where GetParam() = (CV_8U,
> Channels(2), 7, 4, BORDER_CONSTANT, false, false) (7413 ms)
> [ RUN      ] OCL_ImageProc/Filter2D.Mat/257
> opencv_test_imgproc: /home/yanwang/beignet/src/intel/intel_gpgpu.c:703:
> intel_gpgpu_check_binded_buf_address: Assertion
> `gpgpu->binded_buf[i]->offset != 0' failed.
> Segmentation fault (core dumped)
> 
>   But if I run OCL_ImageProc/Filter2D.Mat/257 only, it passed. I think 256
> case may influence it.
>   Thanks.
> 
> Yan Wang
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