I have two Ubuntu 13.10 server with 4-4 Tesla K20X card and I got the following error:

09:26:24.921 [GPU0] Platform: NVIDIA CUDA
09:26:24.922 [GPU0] Device: Tesla K20Xm
09:26:24.922 [GPU0] Total device memory: 5759 MB
09:26:24.922 [GPU0] Maximum buffer size: 1439 MB
09:26:24.922 [GPU0] Global memory size is more than 2048MB - best performance
09:26:25.111 [GPU0] initialized successfully
Floating point exception (core dumped)

Any idea?

I can offer a few coins to whoever solves this problem.

MT