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# Proxmox-lxc直通、映射核显方法
- URL: https://www.moeox.com/proxmox-lxc-e7-9b-b4-e9-80-9a-e6-a0-b8-e6-98-be-e6-96-b9-e6-b3-95/
- Published: 2022-05-03T04:24:06.000Z
- Updated: 2022-05-03T04:24:06.000Z
- Author: asumi233
- Tags: Linux, 杂项, #wp, #wp-post, #Import 2026-09-01 23:51

**此教程适用amd和intel核显，因为都用的vaapi**

1.首先查看/dev/dri/下的各个设备权限是怎么样的，代码如下：

```bash
ls -al /dev/dri/

####输出结果如下
drwxr-xr-x  3 root root        100 May  3 11:10 .
drwxr-xr-x 20 root root       4420 May  3 11:10 ..
drwxr-xr-x  2 root root         80 May  3 11:10 by-path
crw-rw----  1 root video  226,   0 May  3 11:10 card0
crw-rw----  1 root render 226, 128 May  3 11:10 renderD128
```

可以看到renderD128和card0的权限为226,0和226,128

接下来编辑/etc/pve/lxc/xxx.conf xxx代表虚拟机号

添加如下代码：

```bash
lxc.cgroup2.devices.allow: c 226:0 rwm   ###可自行替换226:0 改成别的权限或者添加另外的权限
lxc.cgroup2.devices.allow: c 226:128 rwm
lxc.mount.entry: /dev/dri dev/dri none bind,optional,create=dir   ##映射dri整个目录
```

注意：proxmox里的对应lxc虚拟机需要为特权模式