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Cause:
RHEL7 currently can not support the live-restore containers, there are issues in the kernel that prevent this from working. Accidently the previous update turned on live-restore.
Consequence:
This had the potential of causing docker daemon to hang and not function properly.
Fix:
Remove live-restore from the docker daemon configuration
Result:
The daemon works properly.
DescriptionJaroslav Spanko
2017-03-31 07:49:26 UTC
Description of problem:
Update of docker hangs on cleanup message.
# rpm docker
docker-1.12.5-14.el7.x86_64 Mon Jan 23 21:33:05 2017
# yum update docker
Running transaction
Updating : 2:docker-common-1.12.6-11.el7.x86_64 1/11
warning: /etc/sysconfig/docker created as /etc/sysconfig/docker.rpmnew
Updating : 2:docker-client-1.12.6-11.el7.x86_64 2/11
Updating : 2:docker-rhel-push-plugin-1.12.6-11.el7.x86_64 3/11
Installing : 2:container-selinux-2.9-4.el7.noarch 4/11
Updating : 2:docker-1.12.6-11.el7.x86_64 5/11
Erasing : docker-selinux-1.10.3-46.el7.10.x86_64 6/11
Cleanup : 2:docker-1.12.5-14.el7.x86_64 7/11
Hangs here
Needs to be kill, docker packages were not removed:
docker-1.12.5-14.el7.x86_64 Mon Jan 23 21:33:05 2017
docker-1.12.6-11.el7.x86_64 Mon Mar 27 16:49:42 2017
This cause live restore option in daemon.json:
{
"live-restore": true
}
Version-Release number of selected component (if applicable):
RHEL 7.x
docker-1.12.5-14.el7.x86_64
How reproducible:
100%
Steps to Reproduce:
1. yum update docker
Actual results:
Yum have to be killed to proceed docker update
Expected results:
Update successful
Additional info:
In case of "live-restore": true update is not possible.
In Fedora update works
Thanks
Sorry i forgot to add
Update is not possible only in case there are paused containers
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
19af1d73e712 httpd "httpd-foreground" 34 seconds ago Up 32 seconds (Paused) 80/tcp test1
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHBA-2017:1325
Description of problem: Update of docker hangs on cleanup message. # rpm docker docker-1.12.5-14.el7.x86_64 Mon Jan 23 21:33:05 2017 # yum update docker Running transaction Updating : 2:docker-common-1.12.6-11.el7.x86_64 1/11 warning: /etc/sysconfig/docker created as /etc/sysconfig/docker.rpmnew Updating : 2:docker-client-1.12.6-11.el7.x86_64 2/11 Updating : 2:docker-rhel-push-plugin-1.12.6-11.el7.x86_64 3/11 Installing : 2:container-selinux-2.9-4.el7.noarch 4/11 Updating : 2:docker-1.12.6-11.el7.x86_64 5/11 Erasing : docker-selinux-1.10.3-46.el7.10.x86_64 6/11 Cleanup : 2:docker-1.12.5-14.el7.x86_64 7/11 Hangs here Needs to be kill, docker packages were not removed: docker-1.12.5-14.el7.x86_64 Mon Jan 23 21:33:05 2017 docker-1.12.6-11.el7.x86_64 Mon Mar 27 16:49:42 2017 This cause live restore option in daemon.json: { "live-restore": true } Version-Release number of selected component (if applicable): RHEL 7.x docker-1.12.5-14.el7.x86_64 How reproducible: 100% Steps to Reproduce: 1. yum update docker Actual results: Yum have to be killed to proceed docker update Expected results: Update successful Additional info: In case of "live-restore": true update is not possible. In Fedora update works Thanks