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https://github.com/keylase/nvidia-patch.git
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110 lines
4.8 KiB
Markdown
110 lines
4.8 KiB
Markdown
# nvidia-patch
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This patch removes restriction on maximum number of simultaneous NVENC video encoding sessions imposed by Nvidia to consumer-grade GPUs.
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Main target operating system is **GNU/Linux**, but for **Windows** support see [**win**](win).
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Requirements:
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- x86\_64 system architecture
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- GNU/Linux operating system
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- nvenc-compatible gpu (https://developer.nvidia.com/video-encode-decode-gpu-support-matrix#Encoder)
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- Nvidia driver. Patch available for:
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- [375.39](https://download.nvidia.com/XFree86/Linux-x86_64/375.39/NVIDIA-Linux-x86_64-375.39.run)
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- [390.77](https://download.nvidia.com/XFree86/Linux-x86_64/390.77/NVIDIA-Linux-x86_64-390.77.run)
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- [390.87](https://download.nvidia.com/XFree86/Linux-x86_64/390.87/NVIDIA-Linux-x86_64-390.87.run)
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- [396.24](https://download.nvidia.com/XFree86/Linux-x86_64/396.24/NVIDIA-Linux-x86_64-396.24.run)
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- [396.26](https://international.download.nvidia.com/tesla/396.26/NVIDIA-Linux-x86_64-396.26.run)
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- [396.37](https://international.download.nvidia.com/tesla/396.37/NVIDIA-Linux-x86_64-396.37.run)
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- [396.54](https://download.nvidia.com/XFree86/Linux-x86_64/396.54/NVIDIA-Linux-x86_64-396.54.run)
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- 410.48
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- [410.57](https://download.nvidia.com/XFree86/Linux-x86_64/410.57/NVIDIA-Linux-x86_64-410.57.run)
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- [410.73](https://download.nvidia.com/XFree86/Linux-x86_64/410.73/NVIDIA-Linux-x86_64-410.73.run)
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- [410.78](https://download.nvidia.com/XFree86/Linux-x86_64/410.78/NVIDIA-Linux-x86_64-410.78.run)
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- [410.79](https://international.download.nvidia.com/tesla/410.79/NVIDIA-Linux-x86_64-410.79.run)
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- [410.93](https://download.nvidia.com/XFree86/Linux-x86_64/410.93/NVIDIA-Linux-x86_64-410.93.run)
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- [410.104](https://international.download.nvidia.com/XFree86/Linux-x86_64/410.104/NVIDIA-Linux-x86_64-410.104.run)
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- [415.18](https://download.nvidia.com/XFree86/Linux-x86_64/415.18/NVIDIA-Linux-x86_64-415.18.run)
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- [415.25](https://download.nvidia.com/XFree86/Linux-x86_64/415.25/NVIDIA-Linux-x86_64-415.25.run)
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- [415.27](https://download.nvidia.com/XFree86/Linux-x86_64/415.27/NVIDIA-Linux-x86_64-415.27.run)
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- [418.30](https://download.nvidia.com/XFree86/Linux-x86_64/418.30/NVIDIA-Linux-x86_64-418.30.run)
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- [418.43](https://download.nvidia.com/XFree86/Linux-x86_64/418.43/NVIDIA-Linux-x86_64-418.43.run)
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- [418.56](https://download.nvidia.com/XFree86/Linux-x86_64/418.56/NVIDIA-Linux-x86_64-418.56.run)
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Tested on Ubuntu 18.04 LTS (GNU/Linux 4.15.0-23-generic x86\_64)
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## Synopsis
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```
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# bash ./patch.sh -h
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SYNOPSIS
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patch.sh [OPTION]...
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DESCRIPTION
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The patch for Nvidia drivers to increase encoder sessions
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-s Silent mode (No output)
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-r Rollback to original (Restore lib from backup)
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-h Print this help message
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```
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## Step-by-Step guide
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Examples are provided for driver version 418.56. All commands are runned as root.
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### Download driver
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[https://download.nvidia.com/XFree86/Linux-x86\_64/418.56/NVIDIA-Linux-x86\_64-418.56.run](https://download.nvidia.com/XFree86/Linux-x86_64/418.56/NVIDIA-Linux-x86_64-418.56.run)
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### Install driver
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```bash
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mkdir /opt/nvidia && cd /opt/nvidia
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wget https://download.nvidia.com/XFree86/Linux-x86_64/418.56/NVIDIA-Linux-x86_64-418.56.run
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chmod +x ./NVIDIA-Linux-x86_64-418.56.run
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./NVIDIA-Linux-x86_64-418.56.run
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```
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### Check driver
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```bash
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nvidia-smi
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```
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Output should show no errors and details about your driver and GPU.
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### Patch driver
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This patch performs backup of original file prior to making changes.
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```bash
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bash ./patch.sh
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```
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You're all set!
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## Rollback
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If something got broken you may restore patched driver from backup:
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```bash
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bash ./patch.sh -r
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```
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## See also
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* Plex Media Server: enable HW **decoding**:
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* [GH Issue](https://github.com/keylase/nvidia-patch/issues/51)
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* PMS Forum:
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1. [https://forums.plex.tv/t/hardware-accelerated-decode-nvidia-for-linux/233510/158](https://forums.plex.tv/t/hardware-accelerated-decode-nvidia-for-linux/233510/158)
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2. [https://forums.plex.tv/t/hardware-accelerated-decode-nvidia-for-linux/233510/172](https://forums.plex.tv/t/hardware-accelerated-decode-nvidia-for-linux/233510/172)
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* Unraid / Docker:
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* [GH Issue](https://github.com/keylase/nvidia-patch/issues/43)
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* Unraid Nvidia plugin:
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* [Repo](https://github.com/linuxserver/Unraid-Nvidia-Plugin)
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* [Forum page](https://forums.unraid.net/topic/77813-plugin-linuxserverio-unraid-nvidia/) ([archive link](https://web.archive.org/web/20190211145338/https://forums.unraid.net/topic/77813-plugin-linuxserverio-unraid-nvidia/))
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* [Original research behind this patch (in Russian)](https://habr.com/post/262563/)
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If you experience `CreateBitstreamBuffer failed: out of memory (10)`, then you have to lower buffers number used for every encoding session. If you are using `ffmpeg`, see option `-surfaces` ("Number of concurrent surfaces") and try value near `-surfaces 8`.
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