CURAND_STATUS_LAUNCH_FAILURE with GTX 1080

[danielgordon10]

Running CUDA 7.5, CUDNN 5.
Test that fails: any involving the GPU random number generator. EG test_random_number_generator.testbin

Fails on master with or without the DEBUG flag.

F0616 13:17:34.736345 13420 math_functions.cu:408] Check failed: status == CURAND_STATUS_SUCCESS (201 vs. 0) CURAND_STATUS_LAUNCH_FAILURE
*** Check failure stack trace: ***
@ 0x7f54481c1daa (unknown)
@ 0x7f54481c1ce4 (unknown)
@ 0x7f54481c16e6 (unknown)
@ 0x7f54481c4687 (unknown)
@ 0x7f544737f6b1 caffe::caffe_gpu_rng_gaussian<>()
@ 0x416127 caffe::RandomNumberGeneratorTest<>::RngGaussianFillGPU()
@ 0x413566 caffe::RandomNumberGeneratorTest_TestRngGaussianGPU_Test<>::TestBody()
@ 0x434ebe testing::internal::HandleSehExceptionsInMethodIfSupported<>()
@ 0x42fd4c testing::internal::HandleExceptionsInMethodIfSupported<>()
@ 0x41ca07 testing::Test::Run()
@ 0x41d1a0 testing::TestInfo::Run()
@ 0x41d78e testing::TestCase::Run()
@ 0x422618 testing::internal::UnitTestImpl::RunAllTests()
@ 0x436410 testing::internal::HandleSehExceptionsInMethodIfSupported<>()
@ 0x430cf8 testing::internal::HandleExceptionsInMethodIfSupported<>()
@ 0x4213ac testing::UnitTest::Run()
@ 0x4096fd main
@ 0x7f54463aaf45 (unknown)
@ 0x4094c9 (unknown)
@ (nil) (unknown)
Aborted (core dumped)

[flx42]

You need to download CUDA 8.0 for the GTX 1080, that's not a Caffe bug.

[danielgordon10]

Ooh. Good catch. Thanks.