[Beignet] opencv_test_imgproc crashs when test OCL_Imgproc/HoughLines.RealImage/0

[yan.wang at linux.intel.com]

Sure. I will try again and file it.

> I just tried on my IVB machine, and it could be reproduced easily, just
> need
> to unset the environment variable.
> And this is a platform independent issue. The backend is just a compiler.
> The compiler could complain warnings or
> errors but should never crash. If you met a crash in gcc or clang
> internal,
> no matter which source code it was compiling,
> it's definitely a compiler bug.
>
> If possible, please submit this bug to fd.o. Thanks for reporting this.
>
>> -----Original Message-----
>> From: Beignet [mailto:beignet-bounces at lists.freedesktop.org] On Behalf
>> Of
>> yan.wang at linux.intel.com
>> Sent: Thursday, October 23, 2014 5:05 PM
>> To: Zhigang Gong
>> Cc: yan.wang at linux.intel.com; beignet at lists.freedesktop.org
>> Subject: Re: [Beignet] opencv_test_imgproc crashs when test
>> OCL_Imgproc/HoughLines.RealImage/0
>>
>> I am not sure whether it is platform issue. So far I have only Baytail T
> platform
>> no others. The assertion will not be hit now. Still need me submit bug?
>> I
> could
>> do it.
>>
>> It may be the bug of OpenCL implementation of opecv hough lines for fail
> case.
>> Need more investigation.
>>
>> > Yan,
>> >
>> > No matter you set or not set the test data. It should never crash
>> > beignet in such an assertion. That's the point. Anyway, we will look
> into it.
>> >
>> > On Thu, Oct 23, 2014 at 01:40:28AM -0700, yan.wang at linux.intel.com
>> wrote:
>> >> My previous mail may misunderstand you. Sorry.
>> >> After I cloned opencv_extra git and set path rightly, this assertion
>> >> will not be hit But 1 case of 8 will failed because dst size should
>> >> be 1x60 and is 1x61 in fact. I am trying to debug it. The other 7
>> >> cases passed.
>> >>
>> >>
>> >> > Yan,
>> >> >
>> >> > It's still an valid bug. Beignet should never hit such an assertion
>> >> > if everything works well. Could you open a bug on fd.o for beignet
>> >> module?
>> >> > You may need to specify the git-hash of the beignet and the opencv
>> >> > you
>> >> are
>> >> > using. And you need to specify that don't set the opencv test data
>> >> > environment variable to reproduce it.
>> >> >
>> >> > Thanks,
>> >> > Zhigang Gong.
>> >> >
>> >> > On Thu, Oct 23, 2014 at 01:16:13AM -0700, yan.wang at linux.intel.com
>> >> wrote:
>> >> >> After cloned related test data, it will not crashed.
>> >> >> Sorry.
>> >> >>
>> >> >> > Hi, All,
>> >> >> >   This case will crash as the following:
>> >> >> >   [ RUN      ] OCL_Imgproc/HoughLines.RealImage/0
>> >> >> > ASSERTION FAILED: defIt != bbIt->second->end() && defIt->second
>> >> >> > !=
>> >> >> NULL
>> >> >> >   at file /home/yanwang/beignet/backend/src/ir/value.cpp,
>> >> >> > function gbe::ir::LiveOutSet::RegDefSet&
>> >> gbe::ir::LiveOutSet::getDefSet(const
>> >> >> > gbe::ir::BasicBlock*, gbe::ir::Register), line 91
>> >> >> >   Thanks.
>> >> >> >
>> >> >> > Yan Wang
>> >> >> > _______________________________________________
>> >> >> > Beignet mailing list
>> >> >> > Beignet at lists.freedesktop.org
>> >> >> > http://lists.freedesktop.org/mailman/listinfo/beignet
>> >> >> >
>> >> >>
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>> >>
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