I'm a little confused here because the GPU resource utilization is well below the hard limits.
When I run nvidia-smi, this is what I get - yugandharv@eclairs:~$ nvidia-smi Thu Jul 19 00:29:45 2018 +-----------------------------------------------------------------------------+ | NVIDIA-SMI 390.67 Driver Version: 390.67 | |-------------------------------+----------------------+----------------------+ | GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC | | Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. | |===============================+======================+======================| | 0 Quadro P4000 Off | 00000000:02:00.0 Off | N/A | | 52% 55C P0 38W / 105W | 6646MiB / 8117MiB | 25% Default | +-------------------------------+----------------------+----------------------+ +-----------------------------------------------------------------------------+ | Processes: GPU Memory | | GPU PID Type Process name Usage | |=============================================================================| | 0 983 C /home/yugandharv/bin/ffmpeg 229MiB | | 0 995 C /home/yugandharv/bin/ffmpeg 229MiB | | 0 1010 C /home/yugandharv/bin/ffmpeg 229MiB | | 0 1012 C /home/yugandharv/bin/ffmpeg 215MiB | | 0 1017 C /home/yugandharv/bin/ffmpeg 235MiB | | 0 1986 C /home/yugandharv/bin/ffmpeg 224MiB | | 0 8484 C /home/yugandharv/bin/ffmpeg 229MiB | | 0 8497 C /home/yugandharv/bin/ffmpeg 229MiB | | 0 8538 C /home/yugandharv/bin/ffmpeg 225MiB | | 0 11097 C /home/yugandharv/bin/ffmpeg 193MiB | | 0 11109 C /home/yugandharv/bin/ffmpeg 193MiB | | 0 11121 C /home/yugandharv/bin/ffmpeg 193MiB | | 0 11134 C /home/yugandharv/bin/ffmpeg 229MiB | | 0 11169 C /home/yugandharv/bin/ffmpeg 225MiB | | 0 11175 C /home/yugandharv/bin/ffmpeg 193MiB | | 0 11186 C /home/yugandharv/bin/ffmpeg 229MiB | | 0 11195 C /home/yugandharv/bin/ffmpeg 229MiB | | 0 11207 C /home/yugandharv/bin/ffmpeg 224MiB | | 0 11222 C /home/yugandharv/bin/ffmpeg 229MiB | | 0 11226 C /home/yugandharv/bin/ffmpeg 225MiB | | 0 11231 C /home/yugandharv/bin/ffmpeg 229MiB | | 0 11234 C /home/yugandharv/bin/ffmpeg 225MiB | | 0 11235 C /home/yugandharv/bin/ffmpeg 229MiB | | 0 11237 C /home/yugandharv/bin/ffmpeg 229MiB | | 0 11240 C /home/yugandharv/bin/ffmpeg 229MiB | | 0 11252 C /home/yugandharv/bin/ffmpeg 229MiB | | 0 11300 C /home/yugandharv/bin/ffmpeg 229MiB | | 0 13264 C /home/yugandharv/bin/ffmpeg 193MiB | | 0 14176 C /home/yugandharv/bin/ffmpeg 193MiB | | 0 30258 C /home/yugandharv/bin/ffmpeg 229MiB | +-----------------------------------------------------------------------------+ Thanks, Yugandhar On Wed, Jul 18, 2018 at 11:55 AM Dennis Mungai <[email protected]> wrote: > You mentioned 30 streams. And more cause this to "fail". > > Perhaps the Quadro line has a maximum simultaneous encoder limit of 30, > similar to the GeForce's limit of 2? > > On Wed, Jul 18, 2018, 19:28 Yugandhar Veeramachaneni <[email protected]> > wrote: > > > Hello everyone, > > > > I'm currently using an NVIDIA Quadro P4000 GPU to transcode multicast UDP > > streams to RTMP streams. I have quite about 30 streams running in > parallel > > on this GPU and I have no problems so far. I tried adding more today and > > many of them are failing with this error. > > > > [h264_nvenc @ 0x55ef24458040] Loaded Nvenc version 8.1 > > [h264_nvenc @ 0x55ef24458040] Nvenc initialized successfully > > [h264_nvenc @ 0x55ef24458040] 1 CUDA capable devices found > > [h264_nvenc @ 0x55ef24458040] [ GPU #0 - < Quadro P4000 > has Compute SM > > 6.1 ] > > [h264_nvenc @ 0x55ef24458040] Failed creating CUDA context for NVENC: 0x2 > > [h264_nvenc @ 0x55ef24458040] No NVENC capable devices found > > [h264_nvenc @ 0x55ef24458040] Nvenc unloaded > > > > Full log is pasted at > > https://gist.github.com/yugandhar91/47a1c30482d1e89a47f7b6fb6dd420ca > > > > Can you please point me to my mistake? > > > > Thanks, > > > > Yugandhar > > _______________________________________________ > > ffmpeg-user mailing list > > [email protected] > > http://ffmpeg.org/mailman/listinfo/ffmpeg-user > > > > To unsubscribe, visit link above, or email > > [email protected] with subject "unsubscribe". > _______________________________________________ > ffmpeg-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > [email protected] with subject "unsubscribe". _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
