# HW Transcode, Linux/Docker/Intel QVS/Nvidia P2000 - Unable to hw transcode **URL:** \ **Category:** Plex Media Server\ **Tags:** server-docker\ **Created:** [June 15, 2020, 9:39am UTC](https://forums.plex.tv/t/hw-transcode-linux-docker-intel-qvs-nvidia-p2000-unable-to-hw-transcode/603837 "2020-06-15T09:39:26Z")\ **Posts on this page:** 5\ **Page:** 1
**Author:** ![cornfordb69](https://sea1.discourse-cdn.com/plex/user_avatar/forums.plex.tv/cornfordb69/32/129653_2.png) [@cornfordb69](https://forums.plex.tv/u/cornfordb69)\ **Post date:** [June 15, 2020, 9:39am UTC](https://forums.plex.tv/t/hw-transcode-linux-docker-intel-qvs-nvidia-p2000-unable-to-hw-transcode/603837/1 "2020-06-15T09:39:27Z")
Server Version#: 1.19.4.2935 Player Version#: 4.30.2 Media Server Log Extract: [https://pastebin.com/g4xNmbav](https://pastebin.com/g4xNmbav) Log File: [Plex Media Server Logs\_2020-06-17\_09-12-15.zip](https://forums.plex.tv/uploads/short-url/gQcTijCrd637jvmEVdGHFkQk4iZ.zip) (867.8 KB) Looking for anyone who can help. Running into an issue that I’m a bit stumped on, any videos that require transcoding aren’t utilising hardware when transcoding. Previously they did hardware transcode, however around a month or so ago it stopped. System is running Centos, Docker, with a Intel® Xeon® Processor E3-1265L v3 and Nvidia Quadro P2000. Centos Version: 7 Docker Version: 19.03.11, build 42e35e61f NVIDIA-SMI Version: 440.82 Driver Version: 440.82 CUDA Version: 10.2 ---
**Author:** ![cornfordb69](https://sea1.discourse-cdn.com/plex/user_avatar/forums.plex.tv/cornfordb69/32/129653_2.png) [@cornfordb69](https://forums.plex.tv/u/cornfordb69)\ **Post date:** [June 17, 2020, 8:35am UTC](https://forums.plex.tv/t/hw-transcode-linux-docker-intel-qvs-nvidia-p2000-unable-to-hw-transcode/603837/2 "2020-06-17T08:35:08Z")
Here are the available dev/dri items: ```auto brad@Centos-Server:/opt/docker [master]$ ls -la /dev/dri total 0 drwxr-xr-x. 2 root root 100 Jun 12 18:27 . drwxr-xr-x. 20 root root 3460 Jun 12 18:27 .. crw-rw----. 1 root video 226, 0 Jun 12 18:27 card0 crw-rw----. 1 root video 226, 1 Jun 12 18:27 card1 crw-rw----. 1 root video 226, 128 Jun 12 18:27 renderD128 ``` ---
**Author:** ![pl\_5309](https://avatars.discourse-cdn.com/v4/letter/p/2bfe46/32.png) [@pl\_5309](https://forums.plex.tv/u/pl_5309)\ **Post date:** [June 17, 2020, 8:54am UTC](https://forums.plex.tv/t/hw-transcode-linux-docker-intel-qvs-nvidia-p2000-unable-to-hw-transcode/603837/3 "2020-06-17T08:54:00Z")
If the kernel updated you may need to remove and reinstall the driver on the host and in the docker. I don’t use an Nvidia card so I can’t help with the specifics. ```auto Jun 17, 2020 09:11:51.652 [0x7f0724ff9700] DEBUG - Codecs: testing h264_nvenc (encoder) Jun 17, 2020 09:11:51.652 [0x7f0724ff9700] DEBUG - Codecs: hardware transcoding: testing API nvenc Jun 17, 2020 09:11:52.202 [0x7f0724ff9700] ERROR - [FFMPEG] - cu->cuCtxCreate(&hwctx->cuda_ctx, 4, cu_device) failed Jun 17, 2020 09:11:52.202 [0x7f0724ff9700] ERROR - [FFMPEG] - -> CUDA_ERROR_INVALID_VALUE: invalid argument Jun 17, 2020 09:11:52.202 [0x7f0724ff9700] ERROR - [FFMPEG] - Jun 17, 2020 09:11:52.203 [0x7f0724ff9700] DEBUG - Codecs: hardware transcoding: opening hw device failed - probably not supported by this system, error: Unknown error occurred Jun 17, 2020 09:11:52.203 [0x7f0724ff9700] DEBUG - Codecs: testing h264 (decoder) with hwdevice vaapi Jun 17, 2020 09:11:52.203 [0x7f0724ff9700] DEBUG - Codecs: hardware transcoding: testing API vaapi Jun 17, 2020 09:11:52.203 [0x7f0724ff9700] DEBUG - Codecs: hardware transcoding: opening hw device failed - probably not supported by this system, error: Input/output error Jun 17, 2020 09:11:52.203 [0x7f0724ff9700] DEBUG - Codecs: testing h264 (decoder) with hwdevice nvdec Jun 17, 2020 09:11:52.203 [0x7f0724ff9700] DEBUG - Codecs: hardware transcoding: testing API nvdec Jun 17, 2020 09:11:52.204 [0x7f0724ff9700] ERROR - [FFMPEG] - cu->cuCtxCreate(&hwctx->cuda_ctx, 4, cu_device) failed Jun 17, 2020 09:11:52.204 [0x7f0724ff9700] ERROR - [FFMPEG] - -> CUDA_ERROR_INVALID_VALUE: invalid argument Jun 17, 2020 09:11:52.204 [0x7f0724ff9700] ERROR - [FFMPEG] - Jun 17, 2020 09:11:52.204 [0x7f0724ff9700] DEBUG - Codecs: hardware transcoding: opening hw device failed - probably not supported by this system, error: Unknown error occurred ``` ---
**Author:** ![cornfordb69](https://sea1.discourse-cdn.com/plex/user_avatar/forums.plex.tv/cornfordb69/32/129653_2.png) [@cornfordb69](https://forums.plex.tv/u/cornfordb69)\ **Post date:** [June 17, 2020, 10:12am UTC](https://forums.plex.tv/t/hw-transcode-linux-docker-intel-qvs-nvidia-p2000-unable-to-hw-transcode/603837/4 "2020-06-17T10:12:14Z")
Thank you so much! I had tried updating the drivers, but not removed and reinstalled them! It’s now working as expected: ```auto brad@Centos-Server:~$ nvidia-smi Wed Jun 17 11:10:22 2020 +-----------------------------------------------------------------------------+ | NVIDIA-SMI 440.82 Driver Version: 440.82 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 Quadro P2000 Off | 00000000:01:00.0 Off | N/A | | 54% 50C P0 22W / 75W | 240MiB / 5057MiB | 7% Default | +-------------------------------+----------------------+----------------------+ +-----------------------------------------------------------------------------+ | Processes: GPU Memory | | GPU PID Type Process name Usage | |=============================================================================| | 0 4996 C /usr/lib/plexmediaserver/Plex Transcoder 230MiB | +-----------------------------------------------------------------------------+ ``` For others, here’s the steps i took to fix the issue: ```auto sudo -i service docker stop yum erase nvidia-detect kmod-nvidia elrepo-release yum clean yum install https://www.elrepo.org/elrepo-release-7.el7.elrepo.noarch.rpm -y yum update yum install nvidia-detect -y nvidia-detect yum install kmod-nvidia -y reboot ``` ---
**Author:** ![system](https://global.discourse-cdn.com/plex/original/3X/2/a/2acb9765406f63293d357b4ec509ec39aa28f2ad.png) [@system](https://forums.plex.tv/u/system)\ **Post date:** [September 15, 2020, 10:12am UTC](https://forums.plex.tv/t/hw-transcode-linux-docker-intel-qvs-nvidia-p2000-unable-to-hw-transcode/603837/5 "2020-09-15T10:12:18Z")
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