> For the complete documentation index, see [llms.txt](https://k8s.huweihuang.com/project/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://k8s.huweihuang.com/project/trouble-shooting/node/cgroup-subsystem-not-mount.md).

# Cgroup子系统无法挂载

## 问题描述

内核版本： 5.4.56-200.el7.x86\_64

docker报错

```
May 13 16:54:26 8b26d7a8 dockerd[44352]: time="2021-05-13T16:54:26.565235530+08:00" level=warning msg="failed to load plugin io.containerd.snapshotter.v1.devmapper" error="devmapper not configured"
May 13 16:54:26 8b26d7a8 dockerd[44352]: time="2021-05-13T16:54:26.565525512+08:00" level=warning msg="could not use snapshotter devmapper in metadata plugin" error="devmapper not configured"
May 13 16:54:26 8b26d7a8 dockerd[44352]: time="2021-05-13T16:54:26.574734345+08:00" level=warning msg="Your kernel does not support CPU realtime scheduler"
May 13 16:54:26 8b26d7a8 dockerd[44352]: time="2021-05-13T16:54:26.574792864+08:00" level=warning msg="Your kernel does not support cgroup blkio weight"
May 13 16:54:26 8b26d7a8 dockerd[44352]: time="2021-05-13T16:54:26.574800326+08:00" level=warning msg="Your kernel does not support cgroup blkio weight_device"
```

kubelet报错

![kubelet](https://3154879751-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-LK1L5dh0oliShndHrS9%2Fuploads%2Fgit-blob-66f5827cd5e5f6214be0d910a129eb7926df7ce1%2Fcgroup-not-mount.png?alt=media)

## 解决

cgroup问题解决：

1、curl <https://pi-ops.oss-cn-hangzhou.aliyuncs.com/scripts/cgroupfs-mount.sh> | bash

2、重启设备即可解决