When i start cuda debugging, Nsight return this error:
A CUDA context was created on a GPU that is not currently debuggable. Breakpoints will be disabled.
Adapter: GeForce GT 720M
This is my system and CUDA information.
Please note that last version of CUDA and Nsight are installed.
I searched this issue and could not find my answer. Thank you so much.
Report Information UnixTime Generated 1490538033 OS Information Computer Name DESKTOP-OLFM6NT NetBIOS Name DESKTOP-OLFM6NT OS Name Windows 10 Pro GetVersionEx dwMajorVersion 10 dwMinorVersion 0 dwBuildNumber 14393 dwPlatformId 2 wServicePackMajor 0 wServicePackMinor 0 wSuiteMask 256 wProductType Workstation GetProductInfo 48 GetNativeSystemInfo wProcessorArchitecture x64 dwPageSize 4096 lpMinimumApplicationAddress 65536 lpMaximumApplicationAddress 140737488289791 dwActiveProcessorMask 15 dwNumberOfProcessors 4 dwAllocationGranularity 65536 wProcessorLevel 6 wProcessorRevision 17665 EnumDisplayDevices Display Device DeviceName \\.\DISPLAY1 DeviceString Intel(R) HD Graphics Family StateFlags 5 DeviceID PCI\VEN_8086&DEV_0A16&SUBSYS_397817AA&REV_09 DeviceKey \Registry\Machine\System\CurrentControlSet\Control\Video\{A9611CC2-95E1-4DAE-9937-60210AFEDCE0}\0000 Monitor DeviceName \\.\DISPLAY1\Monitor0 DeviceString Generic PnP Monitor StateFlags 3 DeviceID MONITOR\CMN15B6\{4d36e96e-e325-11ce-bfc1-08002be10318}\0003 DeviceKey \Registry\Machine\System\CurrentControlSet\Control\Class\{4d36e96e-e325-11ce-bfc1-08002be10318}\0003 Display Device DeviceName \\.\DISPLAY2 DeviceString Intel(R) HD Graphics Family StateFlags 1 DeviceID PCI\VEN_8086&DEV_0A16&SUBSYS_397817AA&REV_09 DeviceKey \Registry\Machine\System\CurrentControlSet\Control\Video\{A9611CC2-95E1-4DAE-9937-60210AFEDCE0}\0001 Monitor DeviceName \\.\DISPLAY2\Monitor0 DeviceString Generic PnP Monitor StateFlags 3 DeviceID MONITOR\SAM04FD\{4d36e96e-e325-11ce-bfc1-08002be10318}\0004 DeviceKey \Registry\Machine\System\CurrentControlSet\Control\Class\{4d36e96e-e325-11ce-bfc1-08002be10318}\0004 Display Device DeviceName \\.\DISPLAY3 DeviceString Intel(R) HD Graphics Family StateFlags 0 DeviceID PCI\VEN_8086&DEV_0A16&SUBSYS_397817AA&REV_09 DeviceKey \Registry\Machine\System\CurrentControlSet\Control\Video\{A9611CC2-95E1-4DAE-9937-60210AFEDCE0}\0002 GlobalMemoryStatusEx dwMemoryLoad 34 ullTotalPhys 8486227968 ullAvailPhys 5588660224 ullTotalPageFile 13854937088 ullAvailPageFile 10756182016 ullTotalVirtual 140737488224256 ullAvailVirtual 140737442308096 Processor Information 0 Name Intel(R) Core(TM) i7-4500U CPU @ 1.80GHz Clock speed (MHz) 2394 1 Name Intel(R) Core(TM) i7-4500U CPU @ 1.80GHz Clock speed (MHz) 2394 2 Name Intel(R) Core(TM) i7-4500U CPU @ 1.80GHz Clock speed (MHz) 2394 3 Name Intel(R) Core(TM) i7-4500U CPU @ 1.80GHz Clock speed (MHz) 2394 NvAPI IsMSHybridGraphics True DisplayDriverVersion Driver Version 37609 Changelist 0 BuildBranchString r376_06 Default AdapterString GeForce GT 720M DisplayDriverCompileType Release NvDebugApi WDDM Devices GPU Name GeForce GT 720M Architecture Fermi Architecture Number 208 Architecture Implementation 7 Architecture Revision 162 Number of GPCs 1 Number of TPCs 2 Number of SMs 2 Warps per SM 48 Lanes per warp 32 Register file size 32768 Max CTAs per SM 8 Max size of shared memory per CTA (bytes) 49152 SM Revision 131073 Number of FB PAs 6 Number of LTs per LTC 2 RmGpuId 1024 RM Devices CUDA CUDA Device Name GeForce GT 720M Driver WDDM DeviceIndex 0 GPU Family GF117 RmGpuId 1024 Compute Major 2 Compute Minor 1 MAX_THREADS_PER_BLOCK 1024 MAX_BLOCK_DIM_X 1024 MAX_BLOCK_DIM_Y 1024 MAX_BLOCK_DIM_Z 64 MAX_GRID_DIM_X 65535 MAX_GRID_DIM_Y 65535 MAX_GRID_DIM_Z 65535 MAX_SHARED_MEMORY_PER_BLOCK 49152 TOTAL_CONSTANT_MEMORY 65536 WARP_SIZE 32 MAX_PITCH 2147483647 MAX_REGISTERS_PER_BLOCK 32768 CLOCK_RATE 1550000 TEXTURE_ALIGNMENT 512 GPU_OVERLAP 1 MULTIPROCESSOR_COUNT 2 KERNEL_EXEC_TIMEOUT 0 INTEGRATED 0 CAN_MAP_HOST_MEMORY 1 COMPUTE_MODE 0 MAXIMUM_TEXTURE1D_WIDTH 65536 MAXIMUM_TEXTURE2D_WIDTH 65536 MAXIMUM_TEXTURE2D_HEIGHT 65535 MAXIMUM_TEXTURE3D_WIDTH 2048 MAXIMUM_TEXTURE3D_HEIGHT 2048 MAXIMUM_TEXTURE3D_DEPTH 2048 MAXIMUM_TEXTURE2D_LAYERED_WIDTH 16384 MAXIMUM_TEXTURE2D_LAYERED_HEIGHT 16384 MAXIMUM_TEXTURE2D_LAYERED_LAYERS 2048 SURFACE_ALIGNMENT 512 CONCURRENT_KERNELS 1 ECC_ENABLED 0 PCI_BUS_ID 4 PCI_DEVICE_ID 0 TCC_DRIVER 0 MEMORY_CLOCK_RATE 900000 GLOBAL_MEMORY_BUS_WIDTH 64 L2_CACHE_SIZE 131072 MAX_THREADS_PER_MULTIPROCESSOR 1536 ASYNC_ENGINE_COUNT 1 UNIFIED_ADDRESSING 1 MAXIMUM_TEXTURE1D_LAYERED_WIDTH 16384 MAXIMUM_TEXTURE1D_LAYERED_LAYERS 2048 CAN_TEX2D_GATHER 1 MAXIMUM_TEXTURE2D_GATHER_WIDTH 16384 MAXIMUM_TEXTURE2D_GATHER_HEIGHT 16384 MAXIMUM_TEXTURE3D_WIDTH_ALTERNATE 0 MAXIMUM_TEXTURE3D_HEIGHT_ALTERNATE 0 MAXIMUM_TEXTURE3D_DEPTH_ALTERNATE 0 PCI_DOMAIN_ID 0 TEXTURE_PITCH_ALIGNMENT 32 MAXIMUM_TEXTURECUBEMAP_WIDTH 16384 MAXIMUM_TEXTURECUBEMAP_LAYERED_WIDTH 16384 MAXIMUM_TEXTURECUBEMAP_LAYERED_LAYERS 2046 MAXIMUM_SURFACE1D_WIDTH 65536 MAXIMUM_SURFACE2D_WIDTH 65536 MAXIMUM_SURFACE2D_HEIGHT 32768 MAXIMUM_SURFACE3D_WIDTH 65536 MAXIMUM_SURFACE3D_HEIGHT 32768 MAXIMUM_SURFACE3D_DEPTH 2048 MAXIMUM_SURFACE1D_LAYERED_WIDTH 65536 MAXIMUM_SURFACE1D_LAYERED_LAYERS 2048 MAXIMUM_SURFACE2D_LAYERED_WIDTH 65536 MAXIMUM_SURFACE2D_LAYERED_HEIGHT 32768 MAXIMUM_SURFACE2D_LAYERED_LAYERS 2048 MAXIMUM_SURFACECUBEMAP_WIDTH 32768 MAXIMUM_SURFACECUBEMAP_LAYERED_WIDTH 32768 MAXIMUM_SURFACECUBEMAP_LAYERED_LAYERS 2046 MAXIMUM_TEXTURE1D_LINEAR_WIDTH 134217728 MAXIMUM_TEXTURE2D_LINEAR_WIDTH 65000 MAXIMUM_TEXTURE2D_LINEAR_HEIGHT 65000 MAXIMUM_TEXTURE2D_LINEAR_PITCH 1048544 MAXIMUM_TEXTURE2D_MIPMAPPED_WIDTH 16384 MAXIMUM_TEXTURE2D_MIPMAPPED_HEIGHT 16384 MAXIMUM_TEXTURE1D_MIPMAPPED_WIDTH 16384 STREAM_PRIORITIES_SUPPORTED 0 GLOBAL_L1_CACHE_SUPPORTED 1 LOCAL_L1_CACHE_SUPPORTED 1 MAX_SHARED_MEMORY_PER_MULTIPROCESSOR 49152 MAX_REGISTERS_PER_MULTIPROCESSOR 32768 MANAGED_MEMORY 0 MULTI_GPU_BOARD 0 MULTI_GPU_BOARD_GROUP_ID 0 HOST_NATIVE_ATOMIC_SUPPORTED 0 SINGLE_TO_DOUBLE_PRECISION_PERF_RATIO 12 PAGEABLE_MEMORY_ACCESS 0 CONCURRENT_MANAGED_ACCESS 0 COMPUTE_PREEMPTION_SUPPORTED 0 CAN_USE_HOST_POINTER_FOR_REGISTERED_MEM 0 DISPLAY_NAME GeForce GT 720M COMPUTE_CAPABILITY_MAJOR 2 COMPUTE_CAPABILITY_MINOR 1 TOTAL_MEMORY 2147483648 RAM_TYPE 7 RAM_LOCATION 1 GPU_PCI_DEVICE_ID 289411294 GPU_PCI_SUB_SYSTEM_ID 939530154 GPU_PCI_REVISION_ID 161 GPU_PCI_EXT_DEVICE_ID 4416 GPU_PCI_EXT_GEN 1 GPU_PCI_EXT_GPU_GEN 1 GPU_PCI_EXT_GPU_LINK_RATE 5000 GPU_PCI_EXT_GPU_LINK_WIDTH 8 GPU_PCI_EXT_DOWNSTREAM_LINK_RATE 5000 GPU_PCI_EXT_DOWNSTREAM_LINK_WIDTH 4
Your GT 720m is a compute capability 2.1 device (see here).
Attempting to debug CUDA code (e.g. set breakpoints) on a GPU that is also supporting (hosting) a display requires a compute capability 3.5 or higher device, to support preemption.
Your device does not meet that requirement, so because your GPU is hosting your laptop display, it cannot be used to set breakpoints in CUDA code.
Also note that the latest version of Nsight VSE (5.2 at this time) has officially dropped support for Fermi GPUs (yours is a Fermi GPU):
Note: Fermi family GPUs, and older families, are no longer supported with Nsight™ Visual Studio Edition 5.2 or better.