ts: mountpoint for devices not found

에러?

docker: Error response from daemon: oci runtime error: container_linux.go:247: starting container process caused "process_linux.go:258: applying cgroup configuration for process caused \"mountpoint for devices not found\"".

 

원인?

cgroup on /sys/fs/cgroup type tmpfs (rw,uid=0,gid=0,mode=0755)

 

해결

https://github.com/tianon/cgroupfs-mount/blob/master/cgroupfs-mount 실행

#!/bin/sh

# Copyright 2011 Canonical, Inc

# 2014 Tianon Gravi

# Author: Serge Hallyn <serge.hallyn@canonical.com>

# Tianon Gravi <tianon@debian.org>

set -e

# for simplicity this script provides no flexibility

# if cgroup is mounted by fstab, don't run

# don't get too smart - bail on any uncommented entry with 'cgroup' in it

if grep -v '^#' /etc/fstab | grep -q cgroup; then

  echo 'cgroups mounted from fstab, not mounting /sys/fs/cgroup'

  exit 0

fi

# kernel provides cgroups?

if [ ! -e /proc/cgroups ]; then

  exit 0

fi

# if we don't even have the directory we need, something else must be wrong

if [ ! -d /sys/fs/cgroup ]; then

  exit 0

fi

# mount /sys/fs/cgroup if not already done

if ! mountpoint -q /sys/fs/cgroup; then

  mount -t tmpfs -o uid=0,gid=0,mode=0755 cgroup /sys/fs/cgroup

fi

cd /sys/fs/cgroup

# get/mount list of enabled cgroup controllers

for sys in $(awk '!/^#/ { if ($4 == 1) print $1 }' /proc/cgroups); do

  mkdir -p $sys

  if ! mountpoint -q $sys; then

    if ! mount -n -t cgroup -o $sys cgroup $sys; then

      rmdir $sys || true

    fi

  fi

done

# example /proc/cgroups:

# #subsys_name hierarchy num_cgroups enabled

# cpuset 2 3 1

# cpu  3 3 1

# cpuacct  4 3 1

# memory 5 3 0

# devices  6 3 1

# freezer  7 3 1

# blkio  8 3 1

exit 0

 

참고: https://blog.winkidney.com/index.php/archives/10/