cgminer has stopped recognizing my nVidia card

Hi all

hope you can help me:

I have upgraded my Debian. Some packages have been updated, deleted and installed, but I think everythig is ok, but I find this:

Code:

$ ./cgminer
All devices disabled, cannot mine!

Code:

$ ./cgminer -D -n
[2013-05-16 00:36:02] CL Platform 0 vendor: Advanced Micro Devices, Inc.
[2013-05-16 00:36:02] CL Platform 0 name: AMD Accelerated Parallel Processing
[2013-05-16 00:36:02] CL Platform 0 version: OpenCL 1.2 AMD-APP (937.2)
[2013-05-16 00:36:02] Error -1: Getting Device IDs (num)
[2013-05-16 00:36:02] clDevicesNum returned error, no GPUs usable
[2013-05-16 00:36:02] 0 GPU devices max detected

Code:

$ lspci|grep VGA
01:00.0 VGA compatible controller: NVIDIA Corporation G92 [GeForce 9800 GT] (rev a2)

Thanks