- NVIDIA Linux
||03-14-12 06:00 AM
Card not used for graphics not detected by CUDA runtime
I have a GeForce GTX 560 Ti which is not used by the X server (it is a secondary card) (it does not touch the card, according to the log file). I installed the GPU SDK, compiled the examples. For some reason, the card is not seen by the CUDA runtime (it is not seen by the OpenCL runtime either), so I get errors:
$ export LD_LIBRARY_PATH=/usr/local/cuda/lib64
../../common/inc/cutil_inline_runtime.h(398) : cudaSafeCallNoSync() Runtime API error : no CUDA-capable device is detected.
Other hardware information (the ATI card drives the display):
# lspci | grep VGA
01:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI Cayman XT [Radeon HD 6970]
02:00.0 VGA compatible controller: NVIDIA Corporation GF110 [GeForce GTX 560 Ti] (rev a1)
Reloading the nvidia kernel module driver (ver 295.20)
# rmmod nvidia
# modprobe nvidia_current
# dmesg | tail
[ 1277.382344] nvidia 0000:02:00.0: PCI INT A disabled
[ 1280.539164] nvidia 0000:02:00.0: PCI INT A -> GSI 40 (level, low) -> IRQ 40
[ 1280.539178] nvidia 0000:02:00.0: setting latency timer to 64
[ 1280.539188] vgaarb: device changed decodes: PCI:0000:02:00.0,olddecodes=none,decodes=none:owns=none
[ 1280.539390] NVRM: loading NVIDIA UNIX x86_64 Kernel Module 295.20 Mon Feb 6 21:07:30 PST 2012
# uname -a
Linux flair 3.2.0-18-generic #29-Ubuntu SMP Fri Mar 9 21:36:08 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
Any hint? DO I need to have xserver somehow intialize the card so that it is seen by CUDA?
||03-14-12 06:07 AM
Re: Card not used for graphics not detected by CUDA runtime
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