I have installed tensorflow-gpu with conda successfully. When I test doing import tensorflow I have the issue mentioned above. Any idea? I have checked my drivers, the nvidia toolkit and cudnn are intalled correctly and set the values of PATH, LD_LIBRARY_PATH and CUDA_HOME respectively.
...Fri Nov 23 12:00:18 2018
+------------------------------------------------------+
| NVIDIA-SMI 340.107 Driver Version: 340.107 |
|-------------------------------+----------------------+----------------------+
| GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC |
| Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |
|===============================+======================+======================|
| 0 Quadro FX 5600 Off | 0000:02:00.0 N/A | N/A |
| 61% 77C P0 N/A / N/A | 2MiB / 1535MiB | N/A Default |
+-------------------------------+----------------------+----------------------+
+-----------------------------------------------------------------------------+ | Compute processes: GPU Memory | | GPU PID Process name Usage | |=============================================================================| | 0 Not Supported | +-----------------------------------------------------------------------------+