docker connect failure in the build

[lguohan]

https://sonic-jenkins.westus.cloudapp.azure.com/job/mellanox/job/buildimage-mlnx-all-pr/277/console

• BUILD_TEMPLATES=files/build_templates
• IMAGE_CONFIGS=files/image_config
• trap_push clean_sys
• local oldcmd=true
• local 'newcmd=clean_sys; true'
• trap -- 'clean_sys; true' EXIT INT TERM HUP
• _trap_push 'clean_sys; true'
• local 'next=clean_sys; true'
  ++ sed -e 's/'''/'''\''''''/g'
  ++ echo 'clean_sys; true'
• eval 'trap_push() {
  local oldcmd='''clean_sys; true'''
  local newcmd="$1; $oldcmd"
  trap -- "$newcmd" EXIT INT TERM HUP
  _trap_push "$newcmd"
  }'
• sudo LANG=C chroot ./fsroot mount sysfs /sys -t sysfs
• sudo chroot ./fsroot service docker start
  mount: cgroup is already mounted or /sys/fs/cgroup/cpu busy
  cgroup is already mounted on /sys/fs/cgroup
  mount: cgroup is already mounted or /sys/fs/cgroup/cpuacct busy
  cgroup is already mounted on /sys/fs/cgroup
  mount: cgroup is already mounted or /sys/fs/cgroup/net_cls busy
  cgroup is already mounted on /sys/fs/cgroup
  mount: cgroup is already mounted or /sys/fs/cgroup/net_prio busy
  cgroup is already mounted on /sys/fs/cgroup
  Starting Docker: docker.
• sudo chroot ./fsroot docker version
  Client:
  Version: 1.11.1
  API version: 1.23
  Go version: go1.5.4
  Git commit: 5604cbe
  Built: Tue Apr 26 23:11:07 2016
  OS/Arch: linux/amd64
  Cannot connect to the Docker daemon. Is the docker daemon running on this host?

[oleksandrivantsiv]

Can you please assign this issue to me?

[lguohan]

yes, you are assigned to this issue.

[NStetskovych-zz]

On the commit 799f072
steps to reproduce:
make configure PLATFORM=cavium
make

Finished target/sonic-cavium.bin
Executing rules for target/docker-fpm.gz-load
Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?
slave.mk:293: recipe for target 'target/docker-fpm.gz-load' failed
make: *** [target/docker-fpm.gz-load] Error 1
make: Leaving directory '/sonic'
Makefile:32: recipe for target 'all' failed
make: *** [all] Error 2

Running make second time fix the issue.