NVIDIA-SMI just shows one GPU instead of two

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I have 2 GPUs, but my NVIDIA-SMI just shows me one. How can I make it recognize the other one?



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  • nvidia-smi is a pain, are you with the newest drivers? I also strongly you to check the devtalk.nvidia.com forums
    – vfbsilva
    Jul 11 at 18:40










  • it could be a bad GPU, try swapping the cards or cables around to see if the problem follows a particular GPU
    – thrig
    Jul 11 at 22:50














up vote
1
down vote

favorite












I have 2 GPUs, but my NVIDIA-SMI just shows me one. How can I make it recognize the other one?



enter image description here







share|improve this question





















  • nvidia-smi is a pain, are you with the newest drivers? I also strongly you to check the devtalk.nvidia.com forums
    – vfbsilva
    Jul 11 at 18:40










  • it could be a bad GPU, try swapping the cards or cables around to see if the problem follows a particular GPU
    – thrig
    Jul 11 at 22:50












up vote
1
down vote

favorite









up vote
1
down vote

favorite











I have 2 GPUs, but my NVIDIA-SMI just shows me one. How can I make it recognize the other one?



enter image description here







share|improve this question













I have 2 GPUs, but my NVIDIA-SMI just shows me one. How can I make it recognize the other one?



enter image description here









share|improve this question












share|improve this question




share|improve this question








edited Jul 11 at 18:14









Glorfindel

1531210




1531210









asked Jul 11 at 18:02









Zhoueeer

63




63











  • nvidia-smi is a pain, are you with the newest drivers? I also strongly you to check the devtalk.nvidia.com forums
    – vfbsilva
    Jul 11 at 18:40










  • it could be a bad GPU, try swapping the cards or cables around to see if the problem follows a particular GPU
    – thrig
    Jul 11 at 22:50
















  • nvidia-smi is a pain, are you with the newest drivers? I also strongly you to check the devtalk.nvidia.com forums
    – vfbsilva
    Jul 11 at 18:40










  • it could be a bad GPU, try swapping the cards or cables around to see if the problem follows a particular GPU
    – thrig
    Jul 11 at 22:50















nvidia-smi is a pain, are you with the newest drivers? I also strongly you to check the devtalk.nvidia.com forums
– vfbsilva
Jul 11 at 18:40




nvidia-smi is a pain, are you with the newest drivers? I also strongly you to check the devtalk.nvidia.com forums
– vfbsilva
Jul 11 at 18:40












it could be a bad GPU, try swapping the cards or cables around to see if the problem follows a particular GPU
– thrig
Jul 11 at 22:50




it could be a bad GPU, try swapping the cards or cables around to see if the problem follows a particular GPU
– thrig
Jul 11 at 22:50










1 Answer
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I think GPU don't appears if is disabled. Check if "remove" file in your GPU device is empty.
In your case, see next file;
/sys/bus/pci/devices/0000:83:00.0/remove



If this folder doesn't exists your device hasn't started correctly. In this case, If is possible for you, try checking that this GPU have enough power and is correctly connected.



If there is 1 in the file, change it by a 0 and reboot. If the folder exists but the file don't contains
the value of 1 You can check other files in this folder for more information about the device because your device starts and some other things are causing the faulure. Check using other older driver version as says vfbsilva.



Font: I disabled some GPUs manually and the results are similar. https://labernia.wordpress.com/2017/07/16/gpu-testing/






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    1 Answer
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    up vote
    0
    down vote













    I think GPU don't appears if is disabled. Check if "remove" file in your GPU device is empty.
    In your case, see next file;
    /sys/bus/pci/devices/0000:83:00.0/remove



    If this folder doesn't exists your device hasn't started correctly. In this case, If is possible for you, try checking that this GPU have enough power and is correctly connected.



    If there is 1 in the file, change it by a 0 and reboot. If the folder exists but the file don't contains
    the value of 1 You can check other files in this folder for more information about the device because your device starts and some other things are causing the faulure. Check using other older driver version as says vfbsilva.



    Font: I disabled some GPUs manually and the results are similar. https://labernia.wordpress.com/2017/07/16/gpu-testing/






    share|improve this answer

























      up vote
      0
      down vote













      I think GPU don't appears if is disabled. Check if "remove" file in your GPU device is empty.
      In your case, see next file;
      /sys/bus/pci/devices/0000:83:00.0/remove



      If this folder doesn't exists your device hasn't started correctly. In this case, If is possible for you, try checking that this GPU have enough power and is correctly connected.



      If there is 1 in the file, change it by a 0 and reboot. If the folder exists but the file don't contains
      the value of 1 You can check other files in this folder for more information about the device because your device starts and some other things are causing the faulure. Check using other older driver version as says vfbsilva.



      Font: I disabled some GPUs manually and the results are similar. https://labernia.wordpress.com/2017/07/16/gpu-testing/






      share|improve this answer























        up vote
        0
        down vote










        up vote
        0
        down vote









        I think GPU don't appears if is disabled. Check if "remove" file in your GPU device is empty.
        In your case, see next file;
        /sys/bus/pci/devices/0000:83:00.0/remove



        If this folder doesn't exists your device hasn't started correctly. In this case, If is possible for you, try checking that this GPU have enough power and is correctly connected.



        If there is 1 in the file, change it by a 0 and reboot. If the folder exists but the file don't contains
        the value of 1 You can check other files in this folder for more information about the device because your device starts and some other things are causing the faulure. Check using other older driver version as says vfbsilva.



        Font: I disabled some GPUs manually and the results are similar. https://labernia.wordpress.com/2017/07/16/gpu-testing/






        share|improve this answer













        I think GPU don't appears if is disabled. Check if "remove" file in your GPU device is empty.
        In your case, see next file;
        /sys/bus/pci/devices/0000:83:00.0/remove



        If this folder doesn't exists your device hasn't started correctly. In this case, If is possible for you, try checking that this GPU have enough power and is correctly connected.



        If there is 1 in the file, change it by a 0 and reboot. If the folder exists but the file don't contains
        the value of 1 You can check other files in this folder for more information about the device because your device starts and some other things are causing the faulure. Check using other older driver version as says vfbsilva.



        Font: I disabled some GPUs manually and the results are similar. https://labernia.wordpress.com/2017/07/16/gpu-testing/







        share|improve this answer













        share|improve this answer



        share|improve this answer











        answered Jul 11 at 22:34









        Sergi Pérez Labernia

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