Ok, i have recently purchased the GeForce GTX 750 Ti with 2GB GDDR5 memory for blender cycles rendering with CUDA and everything worked great at the beginning. Soon after i noticed the cycles renders using the GPU would stop automatically with
CUDA Error: Launch failed in cuCtxSynchronize()
. When i looked in the command line, i saw this in the console window:
CUDA error: Launch failed in cuMemcpyDtoh((uchar*)mem.data_pointer + offset, (CUdeviceptr)((uchar*)mem.device_pointer + offset), size)
CUDA error: Launch failed in cuMemcpyDtoh((uchar*)mem.data_pointer + offset, (CUdeviceptr)((uchar*)mem.device_pointer + offset), size)
CUDA error: Launch failed in cuMemFree(cuda_device_ptr(mem.device_pointer))
CUDA error: Launch failed in cuMemFree(cuda_device_ptr(mem.device_pointer))
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemAlloc(&device_pointer, size)
CUDA error: Launch failed in cuMemFree(cuda_device_ptr(mem.device_pointer))
CUDA error: Launch failed in cuMemFree(cuda_device_ptr(mem.device_pointer))
CUDA error: Launch failed in cuMemFree(cuda_device_ptr(mem.device_pointer))
CUDA error: Launch failed in cuMemFree(cuda_device_ptr(mem.device_pointer))
CUDA error: Launch failed in cuMemFree(cuda_device_ptr(mem.device_pointer))
CUDA error: Launch failed in cuMemFree(cuda_device_ptr(mem.device_pointer))
CUDA error: Launch failed in cuMemFree(cuda_device_ptr(mem.device_pointer))
CUDA error: Launch failed in cuMemFree(cuda_device_ptr(mem.device_pointer))
CUDA error: Launch failed in cuMemFree(cuda_device_ptr(mem.device_pointer))
CUDA error: Launch failed in cuMemFree(cuda_device_ptr(mem.device_pointer))
CUDA error: Launch failed in cuMemFree(cuda_device_ptr(mem.device_pointer))
CUDA error: Launch failed in cuMemFree(cuda_device_ptr(mem.device_pointer))
CUDA error: Launch failed in cuMemFree(cuda_device_ptr(mem.device_pointer))
CUDA error: Launch failed in cuMemFree(cuda_device_ptr(mem.device_pointer))
CUDA error: Launch failed in cuMemFree(cuda_device_ptr(mem.device_pointer))
CUDA error: Launch failed in cuMemFree(cuda_device_ptr(mem.device_pointer))
CUDA error: Launch failed in cuMemFree(cuda_device_ptr(mem.device_pointer))
CUDA error: Launch failed in cuMemFree(cuda_device_ptr(mem.device_pointer))
CUDA error: Launch failed in cuMemFree(cuda_device_ptr(mem.device_pointer))
CUDA error: Launch failed in cuMemFree(cuda_device_ptr(mem.device_pointer))
CUDA error: Launch failed in cuMemFree(cuda_device_ptr(mem.device_pointer))
CUDA error: Launch failed in cuMemFree(cuda_device_ptr(mem.device_pointer))
CUDA error: Launch failed in cuMemFree(cuda_device_ptr(mem.device_pointer))
CUDA error: Launch failed in cuMemFree(cuda_device_ptr(mem.device_pointer))
My system specs are:
CPU: AMD Athlon™ II X2 240 Dual Core @ 2.8GHz
RAM: 3GB’s DDR3
OS: Windows 8.1 x64
GPU: Nvidia GeForce GTX 750 Ti
Blender Version: Blender 2.71 RC1
This has happened for most of all projects i would open and try to render. I did check the wiki, but i dont think it is the windows timeout. my main assumption is that i ran out of system memory to render the scene, but from what i read, the scene is loaded into the GPU’s memory to render, but i have plenty for that. What could be the cause of this error?
I guess what i’m asking is, Is the cause of this problem my lack of system memory, or could it be the fact that the compute 5.0 kernel is just buggy in the current blender build, or have the dev’s pretty much finalized it?