“GPU at BusId 0x4 doesn't have a supported video decoder”

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I have an Nvidia GeForce 940M GPU in my laptop:



$ lspci -nn | grep NVIDIA
04:00.0 3D controller [0302]: NVIDIA Corporation GM108M [GeForce 940M] [10de:1347] (rev a2)


I use the proprietary nvidia driver version 387.12:



$ nvidia-smi | head
Sat Oct 28 10:39:43 2017
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 387.12 Driver Version: 387.12 |
|-------------------------------+----------------------+----------------------+
| GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC |
| Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |
|===============================+======================+======================|
| 0 GeForce 940M Off | 00000000:04:00.0 Off | N/A |
| N/A 48C P8 N/A / N/A | 204MiB / 2002MiB | 0% Default |
+-------------------------------+----------------------+----------------------+


According to the driver documentation, VDPAU features of my GPU should be supported.



Yet, when I actually try, it fails:



$ vdpauinfo
display: :0 screen: 0
GPU at BusId 0x4 doesn't have a supported video decoder
Error creating VDPAU device: 1


Naturally, media players can't use hardware acceleration either. What am I doing wrong?







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    up vote
    0
    down vote

    favorite












    I have an Nvidia GeForce 940M GPU in my laptop:



    $ lspci -nn | grep NVIDIA
    04:00.0 3D controller [0302]: NVIDIA Corporation GM108M [GeForce 940M] [10de:1347] (rev a2)


    I use the proprietary nvidia driver version 387.12:



    $ nvidia-smi | head
    Sat Oct 28 10:39:43 2017
    +-----------------------------------------------------------------------------+
    | NVIDIA-SMI 387.12 Driver Version: 387.12 |
    |-------------------------------+----------------------+----------------------+
    | GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC |
    | Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |
    |===============================+======================+======================|
    | 0 GeForce 940M Off | 00000000:04:00.0 Off | N/A |
    | N/A 48C P8 N/A / N/A | 204MiB / 2002MiB | 0% Default |
    +-------------------------------+----------------------+----------------------+


    According to the driver documentation, VDPAU features of my GPU should be supported.



    Yet, when I actually try, it fails:



    $ vdpauinfo
    display: :0 screen: 0
    GPU at BusId 0x4 doesn't have a supported video decoder
    Error creating VDPAU device: 1


    Naturally, media players can't use hardware acceleration either. What am I doing wrong?







    share|improve this question
























      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      I have an Nvidia GeForce 940M GPU in my laptop:



      $ lspci -nn | grep NVIDIA
      04:00.0 3D controller [0302]: NVIDIA Corporation GM108M [GeForce 940M] [10de:1347] (rev a2)


      I use the proprietary nvidia driver version 387.12:



      $ nvidia-smi | head
      Sat Oct 28 10:39:43 2017
      +-----------------------------------------------------------------------------+
      | NVIDIA-SMI 387.12 Driver Version: 387.12 |
      |-------------------------------+----------------------+----------------------+
      | GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC |
      | Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |
      |===============================+======================+======================|
      | 0 GeForce 940M Off | 00000000:04:00.0 Off | N/A |
      | N/A 48C P8 N/A / N/A | 204MiB / 2002MiB | 0% Default |
      +-------------------------------+----------------------+----------------------+


      According to the driver documentation, VDPAU features of my GPU should be supported.



      Yet, when I actually try, it fails:



      $ vdpauinfo
      display: :0 screen: 0
      GPU at BusId 0x4 doesn't have a supported video decoder
      Error creating VDPAU device: 1


      Naturally, media players can't use hardware acceleration either. What am I doing wrong?







      share|improve this question














      I have an Nvidia GeForce 940M GPU in my laptop:



      $ lspci -nn | grep NVIDIA
      04:00.0 3D controller [0302]: NVIDIA Corporation GM108M [GeForce 940M] [10de:1347] (rev a2)


      I use the proprietary nvidia driver version 387.12:



      $ nvidia-smi | head
      Sat Oct 28 10:39:43 2017
      +-----------------------------------------------------------------------------+
      | NVIDIA-SMI 387.12 Driver Version: 387.12 |
      |-------------------------------+----------------------+----------------------+
      | GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC |
      | Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |
      |===============================+======================+======================|
      | 0 GeForce 940M Off | 00000000:04:00.0 Off | N/A |
      | N/A 48C P8 N/A / N/A | 204MiB / 2002MiB | 0% Default |
      +-------------------------------+----------------------+----------------------+


      According to the driver documentation, VDPAU features of my GPU should be supported.



      Yet, when I actually try, it fails:



      $ vdpauinfo
      display: :0 screen: 0
      GPU at BusId 0x4 doesn't have a supported video decoder
      Error creating VDPAU device: 1


      Naturally, media players can't use hardware acceleration either. What am I doing wrong?









      share|improve this question













      share|improve this question




      share|improve this question








      edited Oct 28 '17 at 11:22









      kiamlaluno

      362220




      362220










      asked Oct 28 '17 at 8:50









      Zoltan

      1859




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          1 Answer
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          It appears, GM108M chips don't have a working video decoding hardware. The video decoding capabilities on systems with those chips are expected to be supported by the embedded Intel GPU.



          How to make this arrangement work properly on Linux is an open question at this particular time.






          share|improve this answer




















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            1 Answer
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            active

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            active

            oldest

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            up vote
            0
            down vote



            accepted










            It appears, GM108M chips don't have a working video decoding hardware. The video decoding capabilities on systems with those chips are expected to be supported by the embedded Intel GPU.



            How to make this arrangement work properly on Linux is an open question at this particular time.






            share|improve this answer
























              up vote
              0
              down vote



              accepted










              It appears, GM108M chips don't have a working video decoding hardware. The video decoding capabilities on systems with those chips are expected to be supported by the embedded Intel GPU.



              How to make this arrangement work properly on Linux is an open question at this particular time.






              share|improve this answer






















                up vote
                0
                down vote



                accepted







                up vote
                0
                down vote



                accepted






                It appears, GM108M chips don't have a working video decoding hardware. The video decoding capabilities on systems with those chips are expected to be supported by the embedded Intel GPU.



                How to make this arrangement work properly on Linux is an open question at this particular time.






                share|improve this answer












                It appears, GM108M chips don't have a working video decoding hardware. The video decoding capabilities on systems with those chips are expected to be supported by the embedded Intel GPU.



                How to make this arrangement work properly on Linux is an open question at this particular time.







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered Dec 24 '17 at 4:52









                oakad

                40425




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