bandwidthTest と K40m 4枚 その３

GPU (K40m)を１枚に減らしてトラブルの原因を探っていますが、いまだに以下のようにエラーが出ている状況です。。。

$ nvidia-smi
Tue May 12 14:20:35 2015
+------------------------------------------------------+
| NVIDIA-SMI 346.59 Driver Version: 346.59 |
|-------------------------------+----------------------+----------------------+
| GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC |
| Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |
|===============================+======================+======================|
| 0 Tesla K40m Off | 0000:43:00.0 Off | 0 |
| N/A 34C P0 63W / 235W | 55MiB / 11519MiB | 42% Default |
+-------------------------------+----------------------+----------------------+

+-----------------------------------------------------------------------------+
| Processes: GPU Memory |
| GPU PID Type Process name Usage |
|=============================================================================|
| No running processes found |
+-----------------------------------------------------------------------------+

$ ./bandwidthTest
[CUDA Bandwidth Test] - Starting...
Running on...

Device 0: Tesla K40m
Quick Mode

CUDA error at bandwidthTest.cu:766 code=30(cudaErrorUnknown) "cudaHostAlloc((void **)&h_odata, memSize, (wc) ? cudaHostAllocWriteCombined : 0)"