[FFmpeg-trac] #7674(undetermined:reopened): ffmpeg with cuvid transcoding after version 3.4.1 work with crash on heavy load CUDA card

[FFmpeg]

#7674: ffmpeg with cuvid transcoding after version 3.4.1 work with crash on heavy
load CUDA card
-------------------------------------+-------------------------------------
             Reporter:  maxfs79      |                    Owner:
                 Type:  defect       |                   Status:  reopened
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by maxfs79):

 My step-by-step:

 git clone -b release/4.1 https://git.ffmpeg.org/ffmpeg.git ffmpeg41

 dependent patches, for the revert
 "32bc4e77f61a5483c83a360b9ccbfc2840daba1e"
 git revert 932037c6bb6b41a24e75b031426844a2e6472a74
 git revert 48e52e4edd12adbc36eee0eebe1b97ffe0255be3

 regression patch:
 git revert 32bc4e77f61a5483c83a360b9ccbfc2840daba1e

 test configuration

 ffmpeg -hwaccel cuvid -c:v mpeg2_cuvid -deint 2 -drop_second_field 1 -i
 udp://232.10.10.1:1234?fifo_size=300000 -b:v 2800k -b:a 192k -c:v
 h264_nvenc -profile:v high -preset hp -c:a aac -f flv
 rtmp://127.0.0.1:1935/live/001
 .
 .
 .
 ffmpeg -hwaccel cuvid -c:v mpeg2_cuvid -deint 2 -drop_second_field 1 -i
 udp://232.10.10.60:1234?fifo_size=300000 -b:v 2800k -b:a 192k -c:v
 h264_nvenc -profile:v high -preset hp -c:a aac -f flv
 rtmp://127.0.0.1:1935/live/060

 With issue patch, when 59 stream, starting next stream over 20 sec and on
 others stream freeze video.

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Ticket URL: <https://trac.ffmpeg.org/ticket/7674#comment:10>
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