Acabei de instalar o CUDA em um notebook como este:
sudo apt-get install cuda
Como disse aqui .
A compilação funciona bem, mas quando eu tento rodar eu tenho o seguinte problema:
Erro CUDA em file.cu:128 code = 35 (cudaErrorInsufficientDriver) "cudaStreamCreate (& amp; (stream [i]))"
Minha versão do nvcc:
nvcc: NVIDIA (R) Cuda compiler driver
Copyright (c) 2005-2016 NVIDIA Corporation
Built on Tue_Jan_10_13:22:03_CST_2017
Cuda compilation tools, release 8.0, V8.0.61
Informações da placa gráfica:
lspci | egrep 'VGA|3D'
00:02.0 VGA compatible controller: Intel Corporation Skylake Integrated Graphics (rev 06)
02:00.0 3D controller: NVIDIA Corporation GM107M [GeForce GTX 960M] (rev a2)
Eu também instalei o VirtualGL, bumblebee-nvidia, primus, freeglut3-dev.
Seguindo este .
Quando eu tento executar algo no zangão eu tenho isso:
optirun glxspheres64
[ 41.413478] [ERROR]Cannot access secondary GPU - error: Could not load GPU driver
[ 41.413520] [ERROR]Aborting because fallback start is disabled.
driver nvidia não funciona.
nvidia-smi
NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and running.
Parece que a versão nvidia 375 está instalada, mas não consigo fazê-lo funcionar.
whereis nvidia
nvidia: /usr/lib/nvidia /usr/share/nvidia /usr/src/nvidia-375-375.66/nvidia
E algumas informações de driver.
modinfo nvidia_375
filename: /lib/modules/4.8.0-54-generic/updates/dkms/nvidia_375.ko
alias: char-major-195-*
version: 375.66
supported: external
license: NVIDIA
srcversion: 68751AFD79A210CEFFB8758
alias: pci:v000010DEd00000E00sv*sd*bc04sc80i00*
alias: pci:v000010DEd*sv*sd*bc03sc02i00*
alias: pci:v000010DEd*sv*sd*bc03sc00i00*
depends:
vermagic: 4.8.0-54-generic SMP mod_unload modversions
parm: NVreg_Mobile:int
parm: NVreg_ResmanDebugLevel:int
parm: NVreg_RmLogonRC:int
parm: NVreg_ModifyDeviceFiles:int
parm: NVreg_DeviceFileUID:int
parm: NVreg_DeviceFileGID:int
parm: NVreg_DeviceFileMode:int
parm: NVreg_UpdateMemoryTypes:int
parm: NVreg_InitializeSystemMemoryAllocations:int
parm: NVreg_UsePageAttributeTable:int
parm: NVreg_MapRegistersEarly:int
parm: NVreg_RegisterForACPIEvents:int
parm: NVreg_CheckPCIConfigSpace:int
parm: NVreg_EnablePCIeGen3:int
parm: NVreg_EnableMSI:int
parm: NVreg_TCEBypassMode:int
parm: NVreg_UseThreadedInterrupts:int
parm: NVreg_MemoryPoolSize:int
parm: NVreg_RegistryDwords:charp
parm: NVreg_RmMsg:charp
parm: NVreg_AssignGpus:charp
Acho que pode haver algum problema com a versão do driver:
dpkg -l | grep nvidia
ii bumblebee-nvidia 3.2.1-10 amd64 NVIDIA Optimus support using the proprietary NVIDIA driver
ii nvidia-375 375.66-0ubuntu0.16.04.1 amd64 NVIDIA binary driver - version 375.66
ii nvidia-375-dev 375.66-0ubuntu0.16.04.1 amd64 NVIDIA binary Xorg driver development files
ii nvidia-modprobe 375.51-0ubuntu1 amd64 Load the NVIDIA kernel driver and create device files
ii nvidia-opencl-icd-375 375.66-0ubuntu0.16.04.1 amd64 NVIDIA OpenCL ICD
ii nvidia-prime 0.8.2 amd64 Tools to enable NVIDIA's Prime
O que estou perdendo?