Cuda not compiling

Building Blender
1

Hi, since latest library updates I cant compile cuda kernel anymore.
I add path to Pthreads and disabled USD in Cmake-Gui.
Deleted build directory.
GCC 10.1.1
Cuda 10.2

Building Blender ...
make -s -C "/home/pepo/blender-git/build_linux" -j 4 install
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/usr/include/c++/10/type_traits(1396): error: type name is not allowed

/usr/include/c++/10/type_traits(1396): error: type name is not allowed

/usr/include/c++/10/type_traits(1396): error: identifier "__is_same_as" is undefined

[ 11%] Built target extern_xdnd
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/usr/include/c++/10/type_traits(1396): error: type name is not allowed

/usr/include/c++/10/type_traits(1396): error: type name is not allowed

/usr/include/c++/10/type_traits(1396): error: identifier "__is_same_as" is undefined

3 errors detected in the compilation of "/tmp/tmpxft_00005006_00000000-6_filter.cpp1.ii".
make[3]: *** [intern/cycles/kernel/CMakeFiles/cycles_kernel_cuda.dir/build.make:186: intern/cycles/kernel/filter_sm_30.cubin] Fehler 1
make[3]: *** Es wird auf noch nicht beendete Prozesse gewartet....
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3 errors detected in the compilation of "/tmp/tmpxft_0000502c_00000000-6_kernel.cpp1.ii".
[ 29%] Built target bf_editor_uvedit
make[3]: *** [intern/cycles/kernel/CMakeFiles/cycles_kernel_cuda.dir/build.make:384: intern/cycles/kernel/kernel_sm_30.cubin] Fehler 1
make[2]: *** [CMakeFiles/Makefile2:3750: intern/cycles/kernel/CMakeFiles/cycles_kernel_cuda.dir/all] Fehler 2
make[2]: *** Es wird auf noch nicht beendete Prozesse gewartet....
[ 30%] Built target bf_editor_screen
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make[1]: *** [Makefile:183: all] Fehler 2
make: *** [GNUmakefile:313: all] Fehler 2

CMakeCache.txt (119.7 KB)

2

I can’t read German, so i don’t know if this is the error, but please look at : Wrong GCC version For CUDA (Linux) -- How to solve

This is probably not a solution to your problem, though.

3

Hi, thank you for the information.
I change host_config.h /usr/local/cuda/include/crt/ to skip GCC check, this work since Cuda 9.

#if __GNUC__ > 10

#error -- unsupported GNU version! gcc versions later than 8 are not supported!

#endif /* __GNUC__ > 10 */

Iirc @brecht give me the hint Years ago.

Here again there errors if I build on the fly:

Compiling CUDA kernel ...
"/usr/local/cuda/bin/nvcc" -arch=sm_30 --cubin "/home/pepo/blender-git/build_linux/bin/2.90/scripts/addons/cycl
es/source/kernel/kernels/cuda/kernel.cu" -o "/home/pepo/.cache/cycles/kernels/cycles_kernel_sm_30_E88110C48522C
542333735273837A5D1.cubin" -m64 --ptxas-options="-v" --use_fast_math -DNVCC -I"/home/pepo/blender-git/build_lin
ux/bin/2.90/scripts/addons/cycles/source"
/usr/include/c++/10/type_traits(1396): error: type name is not allowed

/usr/include/c++/10/type_traits(1396): error: type name is not allowed

/usr/include/c++/10/type_traits(1396): error: identifier "__is_same_as" is undefined

3 errors detected in the compilation of "/tmp/tmpxft_000064a4_00000000-6_kernel.cpp1.ii".
Failed to execute compilation command, see console for details.

Refer to the Cycles GPU rendering documentation for possible solutions:
https://docs.blender.org/manual/en/latest/render/cycles/gpu_rendering.html

Error: Failed to execute compilation command, see console for details.

GPUFrameBuffer: framebuffer status GL_FRAMEBUFFER_UNSUPPORTED

Cheers, mib

4

I expect CUDA 10.2 is simply not compatible with GCC 10.

Enabling WITH_CYCLES_CUBIN_COMPILER and WITH_CYCLES_CUDA_BINARIES may work.

5

Thank you, WITH_CYCLES_CUBIN_COMPILER and WITH_CYCLES_CUDA_BINARIES does not work.
I am just curious why it work last week before precompiled library update. :confused:
I will try to change to GCC 9.3.

Cheers, mib

6

Hi, after the kick from brecht I looked in your linked page again and the first solution with symlinking is working.
Cuda use GCC 9. 3 now.

Many thanks for the help, mib

1 Like