[FFmpeg-trac] #8438(avcodec:new): ffmpeg nvenc encoding failed with Tesla T4 card

[FFmpeg]

#8438: ffmpeg nvenc encoding failed with Tesla T4 card
------------------------------------+-----------------------------------
             Reporter:  haisk       |                    Owner:
                 Type:  defect      |                   Status:  new
             Priority:  normal      |                Component:  avcodec
              Version:  git-master  |               Resolution:
             Keywords:  nvenc       |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
------------------------------------+-----------------------------------

Comment (by haisk):

 Thanks for response. As I said I'm using AWS instance named g4dn.xlarge

 nvidia-smi


 {{{
 +-----------------------------------------------------------------------------+
 | NVIDIA-SMI 440.33.01    Driver Version: 440.33.01    CUDA Version: 10.2
 |
 |-------------------------------+----------------------+----------------------+
 | GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr.
 ECC |
 | Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute
 M. |
 |===============================+======================+======================|
 |   0  Tesla T4            Off  | 00000000:00:1E.0 Off |
 0 |
 | N/A   61C    P0    27W /  70W |      0MiB / 15109MiB |      0%
 Default |
 +-------------------------------+----------------------+----------------------+

 +-----------------------------------------------------------------------------+
 | Processes:                                                       GPU
 Memory |
 |  GPU       PID   Type   Process name                             Usage
 |
 |=============================================================================|
 |  No running processes found
 |
 +-----------------------------------------------------------------------------+

 }}}


 nvidia-smi topo -m

 {{{
         GPU0    CPU Affinity
 GPU0     X      0-3

 Legend:

   X    = Self
   SYS  = Connection traversing PCIe as well as the SMP interconnect
 between NUMA nodes (e.g., QPI/UPI)
   NODE = Connection traversing PCIe as well as the interconnect between
 PCIe Host Bridges within a NUMA node
   PHB  = Connection traversing PCIe as well as a PCIe Host Bridge
 (typically the CPU)
   PXB  = Connection traversing multiple PCIe bridges (without traversing
 the PCIe Host Bridge)
   PIX  = Connection traversing at most a single PCIe bridge
   NV#  = Connection traversing a bonded set of # NVLinks
 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/8438#comment:4>
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