A CUDA context was created on a GPU that is not currently debuggable

匿名 (未验证) 提交于 2019-12-03 08:30:34

问题:

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

回答1:

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):



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