[Rtk-users] RTK + Cuda 9 + gcc 6.4 segfaults

[Simon Rit]

Hi,
Thanks for the report. Seems like something is happening in the ITK code.
Are other non cuda tests failing?
Did you also compile ITK with C++11? BTW, why is it required?
Best regards,
Simon

On Thu, Dec 21, 2017 at 3:20 PM, Mathis Hoffmann <mathis.hoffmann at fau.de>
wrote:

> Hello,
>
> I was able to build RTK using Cuda 9 on an Arch Linux machine with gcc 6.4
> with only small modifications:
>
>  #=========================================================
> diff --git a/cmake/nvcc-check.cmake b/cmake/nvcc-check.cmake
> index c625b421..0e5c34e9 100644
> --- a/cmake/nvcc-check.cmake
> +++ b/cmake/nvcc-check.cmake
> @@ -46,6 +46,9 @@ if(CUDA_FOUND)
>    if((CMAKE_SYSTEM_NAME MATCHES "Linux" AND CMAKE_COMPILER_IS_GNUCC) OR
> APPLE)
>      # Compatible gcc can be checked in host_config.h
>      set(GCC_PATH "")
> +    if(${CUDA_VERSION} VERSION_GREATER "8.99")
> +      FIND_GCC(GCC_PATH "6" "4")
> +    endif()
>      if(${CUDA_VERSION} VERSION_GREATER "6.99")
>        FIND_GC C(GCC_PATH "4" "9")
>      endif()
>
>
> In addition I had to set CMAKE_CXX_FLAGS to -std=gnu++11 manually in the
> ccmake dialog (unfortunately I was not able to integrate this in the
> top-level CMakeLists so far, CMake simply ignored it there..).
>
> So far, so good. Unfortunately all Cuda tests fail with the same segfault.
> For example, rtkimportcudatest finishes with
>
> ****** Case 1: unsigned short ******
>
> Error per Pixel = 0
> MSE = 0
> PSNR = infdB
> QI = 1
>
>
> Test PASSED!
>
> Error per Pixel = 0
> MSE = 0
> PSNR = infdB
> QI = 1
>
>
> Test PASSED!
>
>
> ****** Case 2: int ******
>
> Error per Pixel = 0
> MSE = 0
> PSNR = infdB< /div>
> QI = 1
>
>
> Test PASSED!
>
> Error per Pixel = 0
> MSE = 0
> PSNR = infdB
> QI = 1
>
>
> Test PASSED!
>
>
> ****** Case 3: float ******
>
> Error per Pixel = 0
> MSE = 0
> PSNR = infdB
> QI = 1
>
>
> Test PASSED!
>
> Error per Pixel = 0
> MSE = 0
> PSNR = infdB
> QI = 1
>
>
> Test PASSED!
>
>
> ****** Case 4: double ******
>
> Error per Pixel = 0
> MSE = 0
> PSNR = infdB
> QI = 1
>
>
> Test PASSED!
>
> Error per Pixel = 0
> MSE = 0
> PSNR = infdB
> QI = 1
>
>
> Test PASSED!
> Segmentation fault (core dumped)
>
> To further investigate what is going wrong here, I ran valgrind. I think
> the most important message is this:
>
> ==30633== Process terminating with default action of signal 11 (SIGSEGV):
> dumping core
> ==30633==  Access not within mapped region at address 0x8
> ==30633==    at 0x12240072: (anonymous namespace)::
> ObjectFactoryBasePrivateInitializer::~ObjectFactoryBasePrivateInitializer()
> (in /home/mathis/dev/RTK/RTK-bin/bin/libRTK.so)
> ==30633==    by 0x1402B7B1: __cxa_finalize (in /usr/lib/libc-2.26.so)
> ==30633==    by 0x121771D3: ??? (in /home/mathis/dev/RTK/RTK-bin/
> bin/libRTK.so)
> ==30633==    by 0x400FB92: _dl_fini (in /usr/lib/ld-2.26.so)
> ==30633==    by 0x1402B447: __run_exit_handlers (in /usr/lib/libc-2.26.so)
> ==30633==    by 0 x1402B499: exit (in /usr/lib/libc-2.26.so)
> ==30633==    by 0x14014F50: (below main) (in /usr/lib/libc-2.26.so)
> ==30633==  If you believe this happened as a result of a stack
> ==30633==  overflow in your program's main thread (unlikely but
> ==30633==  possible), you can try to increase the size of the
> ==30633==  main thread stack using the --main-stacksize= flag.
> ==30633==  The main thread stack size used in this run was 8388608.
>
> I've put the full log here: https://pastebin.com/CBjJmUpB
>
> Does someone have any idea, what is going wrong here?
>
> Thanks for any help!
> Mathis
>
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