的第一个问题是
cudaGetDeviceCount返回cudaErrorNoDevice:
这表明没有CUDA功能的设备是由安装CUDA驱动检测。cudaErrorNoDevice GTS250巴布亚
cat /proc/driver/nvidia/version
NVRM version: NVIDIA UNIX x86 Kernel Module 260.19.26 Sun Nov 28 22:38:24 PST 2010
GCC version: gcc version 4.4.5 (Gentoo 4.4.5 p1.2, pie-0.4.5)
lspci -v
...
02:00.0 VGA compatible controller: nVidia Corporation G92 [GeForce GTS 250] (rev a2) (prog-if 00 [VGA controller])
Flags: bus master, fast devsel, latency 0, IRQ 19
Memory at fb000000 (32-bit, non-prefetchable) [size=16M]
Memory at e0000000 (64-bit, prefetchable) [size=256M]
Memory at f8000000 (64-bit, non-prefetchable) [size=32M]
I/O ports at ec00 [size=128]
[virtual] Expansion ROM at fafe0000 [disabled] [size=128K]
Capabilities: [60] Power Management version 3
Capabilities: [68] MSI: Enable- Count=1/1 Maskable- 64bit+
Capabilities: [78] Express Endpoint, MSI 00
Capabilities: [100] Virtual Channel <?>
Capabilities: [128] Power Budgeting <?>
Capabilities: [600] Vendor Specific Information <?>
Kernel driver in use: nvidia
Kernel modules: nvidia
...
nvcc -V
nvcc: NVIDIA (R) Cuda compiler driver
Copyright (c) 2005-2010 NVIDIA Corporation
Built on Wed_Nov__3_16:14:08_PDT_2010
Cuda compilation tools, release 3.2, V0.2.1221
CUDA计算SDK 3.2.16
,当我试图让SDK的样品,我得到第二个问题:
make[1]: Entering directory `/home/style/NVIDIA_GPU_Computing_SDK/C/src/MersenneTwister'
nvcc fatal : Unsupported gpu architecture 'compute_20'
i've tried to edit common.mk, but i don't know what exactly i should edit
感谢您的帮助
我知道它,但问题没有解决 – JIoJIaJIu 2011-04-03 16:27:21
你说你不知道该编辑什么。我们需要更多信息才能提供帮助。您不太可能会找到具有相同设置的人来重现此操作,因此您需要提供更多详细信息。 – 2011-04-03 16:36:06