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test/threading_cuda random crash at exit #2707

@WilliamTambellini

Description

@WilliamTambellini

Worrying crash in test/threading_cuda :
ArrayFire v3.7.0 (CUDA, 64-bit Linux, build 70ef198)
Platform: CUDA Toolkit 10.0, Driver: 440.33.01
[0] GeForce GTX 1080 Ti, 11179 MB, CUDA Compute 6.1

$ test/threading_cuda
Running main() from /local/nbuild/jenkins/workspace/AF-Release-Linux/test/gtest/googletest/src/gtest_main.cc
[==========] Running 9 tests from 1 test case.
[----------] Global test environment set-up.
[----------] 9 tests from Threading
[ RUN ] Threading.SetPerThreadActiveDevice
Image IO Not Configured. Test will exit
[ OK ] Threading.SetPerThreadActiveDevice (0 ms)
[ RUN ] Threading.SimultaneousRead
[ OK ] Threading.SimultaneousRead (5594 ms)
[ RUN ] Threading.MemoryManagementScope
[ OK ] Threading.MemoryManagementScope (2008 ms)
[ RUN ] Threading.MemoryManagement_JIT_Node
[ OK ] Threading.MemoryManagement_JIT_Node (8 ms)
[ RUN ] Threading.FFT_R2C
[ OK ] Threading.FFT_R2C (687 ms)
[ RUN ] Threading.FFT_C2C
[ OK ] Threading.FFT_C2C (13 ms)
[ RUN ] Threading.FFT_ALL
[ OK ] Threading.FFT_ALL (12 ms)
[ RUN ] Threading.BLAS
[ OK ] Threading.BLAS (339 ms)
[ RUN ] Threading.Sparse
[ OK ] Threading.Sparse (12699 ms)
[----------] 9 tests from Threading (21360 ms total)

[----------] Global test environment tear-down
[==========] 9 tests from 1 test case ran. (21360 ms total)
[ PASSED ] 9 tests.

YOU HAVE 2 DISABLED TESTS

Segmentation fault

with gdb
...
[ OK ] Threading.Sparse (12035 ms)
[----------] 9 tests from Threading (20924 ms total)
[----------] Global test environment tear-down
[==========] 9 tests from 1 test case ran. (20924 ms total)
[ PASSED ] 9 tests.

YOU HAVE 2 DISABLED TESTS

Program received signal SIGSEGV, Segmentation fault.
0x0000000000000000 in ?? ()
(gdb) bt
#0 0x0000000000000000 in ?? ()
#1 0x00007fffe3f9f8ad in ?? () from /usr/local/cuda-10.0/lib64/libnvrtc.so.10.0
#2 0x00007fffe3f9f8d5 in ?? () from /usr/local/cuda-10.0/lib64/libnvrtc.so.10.0
#3 0x00007fffe5577d9d in __cxa_finalize () from /lib64/libc.so.6
#4 0x00007fffe3c26e06 in ?? () from /usr/local/cuda-10.0/lib64/libnvrtc.so.10.0
#5 0x0000000000000016 in ?? ()
#6 0x0000000000000000 in ?? ()

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