Hi, David

 It may be caused by drm's command parser. Can you disable the command parser 
simple and try again?
 The command parser disable by following command with root:
 echo 0 > /sys/module/i915/parameters/enable_cmd_parser

Thanks,
Yang Rong
> -----Original Message-----
> From: Zhigang Gong [mailto:[email protected]]
> Sent: Monday, September 01, 2014 10:59 PM
> To: David Liebman; Yang, Rong R
> Cc: Zhigang Gong; Igor Gnatenko; [email protected]
> Subject: Re: [Beignet] [hpc12/tools] build of 'sum' on 'Intel(R) HD Graphics
> IvyBridge M GT2' failed
> 
> It may be another kernel driver issue.
> CC to Rong, could you help to check whether this is a kernel related issue.
> The kernel version is 3.16.1-301.fc21.x86_64.
> 
> Thanks,
> Zhigang Gong.
> 
> On Mon, Sep 1, 2014 at 8:59 PM, David Liebman <[email protected]>
> wrote:
> > I now have the patched version installed on my laptop. I ran the 'sum'
> > program and it didn't work. I will include the output of the 'sum'
> > program below, but it is the same as in previous emails. One thing to
> > note about the 'sum' program is that it does ask for the user to input
> > which platform you're using (iow, 'Intel(R) HD Graphics IvyBridge M GT2').
> >
> > I also tried the beignet 'utest' folder's 'utest_run' program. My
> > results were terrible. Only 25 out of 665 passed.
> >
> > Finally I even tried my PyOpenCL program which failed as it has been
> > doing all along.
> >
> > I think there is still a problem. I am willing to try most anything to
> > see if I can get this to work. My kernel is 3.16.1-301.fc21.x86_64. I
> > saw on the beignet web site that if you're using 4th generation intel
> > products that you'd need to install a special patch for your kernel.
> > Do I need to consider doing something like that? My processor is
> > described as 'Intel Core i5-3210M CPU' and the OS reports the GPU as 'Intel
> Ivybridge Mobile'.
> >
> > Below is some test program output:
> >
> >
> > $ ./cl-demo 1000 10
> > Choose platform:
> > [0] Intel
> >
> > Enter choice: 0
> > Choose device:
> > [0] Intel(R) HD Graphics IvyBridge M GT2 Enter choice: 0
> > ---------------------------------------------------------------------
> > NAME: Intel(R) HD Graphics IvyBridge M GT2
> > VENDOR: Intel
> > PROFILE: FULL_PROFILE
> > VERSION: OpenCL 1.2 beignet 0.9
> > EXTENSIONS: cl_khr_global_int32_base_atomics
> > cl_khr_global_int32_extended_atomics cl_khr_local_int32_base_atomics
> > cl_khr_local_int32_extended_atomics cl_khr_byte_addressable_store
> > cl_khr_icd
> > DRIVER_VERSION: 0.9
> >
> > Type: GPU
> > EXECUTION_CAPABILITIES: Kernel Native
> > GLOBAL_MEM_CACHE_TYPE: Read-Write (2)
> > CL_DEVICE_LOCAL_MEM_TYPE: Global (2)
> > SINGLE_FP_CONFIG: 0x6
> > QUEUE_PROPERTIES: 0x2
> >
> > VENDOR_ID: 358
> > MAX_COMPUTE_UNITS: 16
> > MAX_WORK_ITEM_DIMENSIONS: 3
> > MAX_WORK_GROUP_SIZE: 1024
> > PREFERRED_VECTOR_WIDTH_CHAR: 8
> >
> > PREFERRED_VECTOR_WIDTH_SHORT: 8
> > PREFERRED_VECTOR_WIDTH_INT: 4
> > PREFERRED_VECTOR_WIDTH_LONG: 2
> > PREFERRED_VECTOR_WIDTH_FLOAT: 4
> > PREFERRED_VECTOR_WIDTH_DOUBLE: 0
> > MAX_CLOCK_FREQUENCY: 1000
> > ADDRESS_BITS: 32
> > MAX_MEM_ALLOC_SIZE: 268435456
> > IMAGE_SUPPORT: 1
> > MAX_READ_IMAGE_ARGS: 128
> > MAX_WRITE_IMAGE_ARGS: 8
> > IMAGE2D_MAX_WIDTH: 8192
> > IMAGE2D_MAX_HEIGHT: 8192
> > IMAGE3D_MAX_WIDTH: 8192
> > IMAGE3D_MAX_HEIGHT: 8192
> > IMAGE3D_MAX_DEPTH: 2048
> > MAX_SAMPLERS: 16
> > MAX_PARAMETER_SIZE: 1024
> > MEM_BASE_ADDR_ALIGN: 1024
> > MIN_DATA_TYPE_ALIGN_SIZE: 128
> > GLOBAL_MEM_CACHELINE_SIZE: 128
> > GLOBAL_MEM_CACHE_SIZE: 8192
> > GLOBAL_MEM_SIZE: 1073741824
> > MAX_CONSTANT_BUFFER_SIZE: 524288
> > MAX_CONSTANT_ARGS: 8
> > LOCAL_MEM_SIZE: 65536
> > ERROR_CORRECTION_SUPPORT: 0
> > PROFILING_TIMER_RESOLUTION: 80
> > ENDIAN_LITTLE: 1
> > AVAILABLE: 1
> > COMPILER_AVAILABLE: 1
> > MAX_WORK_GROUP_SIZES: 1024 1024 1024
> > ---------------------------------------------------------------------
> > *** Kernel compilation resulted in non-empty log message.
> > *** Set environment variable CL_HELPER_PRINT_COMPILER_OUTPUT=1 to
> see more.
> > *** NOTE: this may include compiler warnings and other important messages
> > ***   about your code.
> > *** Set CL_HELPER_NO_COMPILER_OUTPUT_NAG=1 to disable this
> message.
> > 0.000039 s
> > 0.309593 GB/s
> > BAD 1!
> > Aborted (core dumped)
> >
> >
> > $ cd ~/workspace/beignet/build/utest
> > $ . setenv.sh
> > $ ./utest_run
> >
> > ...(lots of output here)...
> >
> > summary:
> > ----------
> >   total: 665
> >   run: 665
> >   pass: 25
> >   fail: 638
> >   pass rate: 0.040601
> >
> > $ ./arrays_opencl.py
> >
> > ('a', array([ 0.], dtype=float32))
> > ('b', array([ 0.], dtype=float32))
> > ('c', array([ 0.], dtype=float32))
> > 1 0.063902
> >
> > ('a', array([ 0.,  1.], dtype=float32)) ('b', array([ 0.,  1.],
> > dtype=float32)) ('c', array([ 0.,  0.], dtype=float32))
> > 2 0.005048
> >
> > ('a', array([ 0.,  1.,  2.], dtype=float32)) ('b', array([ 0.,  1.,
> > 2.], dtype=float32)) ('c', array([ 0.,  0.,  0.], dtype=float32))
> > 3 0.004393
> >
> >
> >
> >
> > On 08/31/2014 08:59 PM, Zhigang Gong wrote:
> >>
> >> I double checked and there is not anything missed in the patch. The
> >> patch is to fix a error related "undefined symbol xxx". It seems that
> >> you haven't met such an error from the beginning. I just doubt
> >> whether the PyOpenCL was really using beignet. My suggestion is to do
> >> something to check which platform/device the PyOpenCL is really
> >> using.
> >>
> >> You may also need to try to run the beignet's utest according to the
> >> README's instruction and see whether it work well.
> >>
> >> On Sat, Aug 30, 2014 at 01:13:30PM -0400, David Liebman wrote:
> >>>
> >>> maybe there's a change that you made that somehow didn't show up in
> >>> the patch? An edited header file or another c file??? You obviously
> >>> have a working copy. Your output is right. (!!)
> >>>
> >>> On 08/30/2014 10:25 AM, David Liebman wrote:
> >>>>
> >>>> today I removed the beignet package from my system and downloaded
> >>>> the beignet source from this location:
> >>>> git://anongit.freedesktop.org/beignet
> >>>> I applied the patch cleanly and built/installed the package.
> >>>> Everything went well while building it. Unfortunately the PyOpenCL
> >>>> program doesn't work any better with the patched version of
> >>>> Beignet.
> >>>>
> >>>> ('a', array([ 0.], dtype=float32))
> >>>> ('b', array([ 0.], dtype=float32))
> >>>> ('c', array([ 0.], dtype=float32))
> >>>> 1 0.010353
> >>>> ('a', array([ 0.,  1.], dtype=float32)) ('b', array([ 0.,  1.],
> >>>> dtype=float32)) ('c', array([ 0.,  0.], dtype=float32))
> >>>> 2 0.002883
> >>>> ('a', array([ 0.,  1.,  2.], dtype=float32)) ('b', array([ 0.,  1.,
> >>>> 2.], dtype=float32)) ('c', array([ 0.,  0.,  0.], dtype=float32))
> >>>> 3 0.002828
> >>>>
> >>>> I'm still getting zeros for 'c'. I recompiled PyOpenCL and tried
> >>>> again. No luck.
> >>>>
> >>>> On 08/30/2014 09:17 AM, Zhigang Gong wrote:
> >>>>>
> >>>>> This should be a generic requirement for some applications and I
> >>>>> think PyOpenCL should be supported by beignet. This patch should
> >>>>> be pushed into the upstream repo after got reviewed.  And if you
> >>>>> can test it locally and let us know whether it fix your issue. It
> >>>>> will be helpful.
> >>>>>
> >>>>> As to whether this could be merged into the fedora 21 release, I
> >>>>> think Igor may have official answer.
> >>>>> BTW, we are going to release a new fix version 0.9.3 in the coming
> >>>>> week after LLVM 3.5 released.
> >>>>> This patch should be included in 0.9.3.
> >>>>>
> >>>>> Igor, is it possible to get the 0.9.3  into the Fedora 21 release?
> >>>>>
> >>>>> Thanks,
> >>>>> Zhigang Gong
> >>>>>
> >>>>>
> >>>>> On Sat, Aug 30, 2014 at 8:46 PM, David Liebman
> >>>>> <[email protected]> wrote:
> >>>>>>
> >>>>>> On 08/30/2014 04:47 AM, Zhigang Gong wrote:
> >>>>>>>
> >>>>>>> Just got some time to try you example with PyOpenCL. And it
> >>>>>>> seems that PyOpenCL depends on a function which we haven't
> >>>>>>> implemented. After apply the following patch, I can run your
> >>>>>>> example correctly. The output is as below:
> >>>>>>> gongzg@gongzg-MBA:~/Downloads$ python test.py ('a', array([ 0.],
> >>>>>>> dtype=float32)) ('b', array([ 0.], dtype=float32)) ('c', array([
> >>>>>>> 0.], dtype=float32))
> >>>>>>> 1 0.010514
> >>>>>>> ('a', array([ 0.,  1.], dtype=float32)) ('b', array([ 0.,  1.],
> >>>>>>> dtype=float32)) ('c', array([ 0.,  2.], dtype=float32))
> >>>>>>> 2 0.004235
> >>>>>>> ('a', array([ 0.,  1.,  2.], dtype=float32)) ('b', array([ 0.,
> >>>>>>> 1.,  2.], dtype=float32)) ('c', array([ 0.,  2.,  4.],
> >>>>>>> dtype=float32))
> >>>>>>> 3 0.004166
> >>>>>>>
> >>>>>>>
> >>>>>>>   From 81c9e5cf70ec01197833f8722f6aa16632a5f1a4 Mon Sep 17
> >>>>>>> 00:00:00 2001
> >>>>>>> From: Zhigang Gong <[email protected]>
> >>>>>>> Date: Sat, 30 Aug 2014 16:34:44 +0800
> >>>>>>> Subject: [PATCH] Runtime: Implement
> >>>>>>> clGetExtensionFunctionAddressForPlatform.
> >>>>>>>
> >>>>>>> It seems that this function is required for PyOpenCL.
> >>>>>>>
> >>>>>>> Signed-off-by: Zhigang Gong <[email protected]>
> >>>>>>> ---
> >>>>>>>    src/cl_api.c     | 19 +++++++++++++++++--
> >>>>>>>    src/cl_khr_icd.c |  2 +-
> >>>>>>>    2 files changed, 18 insertions(+), 3 deletions(-)
> >>>>>>>
> >>>>>>> diff --git a/src/cl_api.c b/src/cl_api.c index 177a7e8..b463128
> >>>>>>> 100644
> >>>>>>> --- a/src/cl_api.c
> >>>>>>> +++ b/src/cl_api.c
> >>>>>>> @@ -3156,8 +3156,8 @@ error:
> >>>>>>>      if (strcmp(#x, func_name) == 0)       \
> >>>>>>>        return (void *)x;
> >>>>>>>
> >>>>>>> -void*
> >>>>>>> -clGetExtensionFunctionAddress(const char *func_name)
> >>>>>>> +static void*
> >>>>>>> +internal_clGetExtensionFunctionAddress(const char *func_name)
> >>>>>>>    {
> >>>>>>>      if (func_name == NULL)
> >>>>>>>        return NULL;
> >>>>>>> @@ -3180,6 +3180,21 @@ clGetExtensionFunctionAddress(const
> char
> >>>>>>> *func_name)
> >>>>>>>      return NULL;
> >>>>>>>    }
> >>>>>>>
> >>>>>>> +void*
> >>>>>>> +clGetExtensionFunctionAddress(const char *func_name) {
> >>>>>>> +  return internal_clGetExtensionFunctionAddress(func_name);
> >>>>>>> +}
> >>>>>>> +
> >>>>>>> +void*
> >>>>>>> +clGetExtensionFunctionAddressForPlatform(cl_platform_id platform,
> >>>>>>> +                              const char *func_name) {
> >>>>>>> +  if (UNLIKELY(platform != NULL && platform != intel_platform))
> >>>>>>> +    return NULL;
> >>>>>>> +  return internal_clGetExtensionFunctionAddress(func_name);
> >>>>>>> +}
> >>>>>>> +
> >>>>>>>    #undef EXTFUNC
> >>>>>>>
> >>>>>>>    cl_int
> >>>>>>> diff --git a/src/cl_khr_icd.c b/src/cl_khr_icd.c index
> >>>>>>> 6d49db0..50a0898 100644
> >>>>>>> --- a/src/cl_khr_icd.c
> >>>>>>> +++ b/src/cl_khr_icd.c
> >>>>>>> @@ -154,7 +154,7 @@ struct _cl_icd_dispatch const
> >>>>>>> cl_khr_icd_dispatch = {
> >>>>>>>      clEnqueueMigrateMemObjects,
> >>>>>>>      clEnqueueMarkerWithWaitList,
> >>>>>>>      clEnqueueBarrierWithWaitList,
> >>>>>>> -  CL_1_2_NOTYET(clGetExtensionFunctionAddressForPlatform),
> >>>>>>> +  clGetExtensionFunctionAddressForPlatform,
> >>>>>>>      CL_GL_INTEROP(clCreateFromGLTexture),
> >>>>>>>      (void *) NULL,
> >>>>>>>      (void *) NULL,
> >>>>>>
> >>>>>> This is great. Thank you greatly for the patch. Now, should I be
> >>>>>> waiting for a new beignet package from fedora, or should I 'roll
> >>>>>> my own' and start compiling from source, adding the patch myself?
> >>>>>> I would love this to make it to the fedora 21 release, but I
> >>>>>> don't know what that would take. What is normal procedure? Is
> >>>>>> there a need for this method in the general community, or am I
> >>>>>> the only one who's interested in this feature?
> >>>>>>
> >>>>>> -Dave L.
> >>>
> >>> _______________________________________________
> >>> Beignet mailing list
> >>> [email protected]
> >>> http://lists.freedesktop.org/mailman/listinfo/beignet
> >
> >
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