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

[Zhigang Gong]

Thanks.

On Thu, Oct 23, 2014 at 02:59:14AM -0700, yan.wang at linux.intel.com wrote:
> Done.
> 
> > 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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> >>>
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