Bug 1088125

Summary: docker top stopped working, cgroup path changed
Product: [Fedora] Fedora Reporter: Lukáš Doktor <ldoktor>
Component: docker-ioAssignee: Lokesh Mandvekar <lsm5>
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: high Docs Contact:
Priority: unspecified    
Version: 20CC: admiller, dwalsh, golang-updates, jkeck, lsm5, mattdm, mgoldman, skottler, vbatts
Target Milestone: ---   
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: docker-io-0.11.1-7.fc20 Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of:
: 1096280 (view as bug list) Environment:
Last Closed: 2014-06-10 02:50:43 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 1096280    

Description Lukáš Doktor 2014-04-16 05:51:41 UTC 
Description of problem:
The `docker top` command stopped working, the path to cgroup processes had changed.


Version-Release number of selected component (if applicable):
docker-io-0.10.0-2.fc20.x86_64

How reproducible:
always

Steps to Reproduce:
1. docker run -i fedora bash
2. docker top $NAME

Actual results:
[root@t530 ~]# docker top determined_jones 
2014/04/16 07:47:52 Error: open /sys/fs/cgroup/devices/system.slice/docker/93dfbd4d375cf026df215d87b5d93de8b0a9bd55094e33c2ca3322cd6afb53f1/tasks: no such file or directory

Expected results:
list of processes...

Additional info:
[root@t530 ~]# ls /sys/fs/cgroup/devices/system.slice/
cgroup.clone_children
cgroup.event_control
cgroup.procs
devices.allow
devices.deny
devices.list
docker-93dfbd4d375cf026df215d87b5d93de8b0a9bd55094e33c2ca3322cd6afb53f1.scope
notify_on_release
tasks
Comment 1 Lukáš Doktor 2014-05-05 07:46:55 UTC 
The same bug is in upstream Docker version 0.10.0, build dc9c28f/0.10.0
Comment 2 Daniel Walsh 2014-05-19 17:52:17 UTC 
Lokesh you need to patch the F19/F20 version of docker with my cgroup patch.
Comment 3 Fedora Update System 2014-05-29 12:55:34 UTC 
docker-io-0.11.1-7.fc20 has been submitted as an update for Fedora 20.
https://admin.fedoraproject.org/updates/docker-io-0.11.1-7.fc20
Comment 4 Fedora Update System 2014-05-29 13:08:32 UTC 
docker-io-0.11.1-7.fc19 has been submitted as an update for Fedora 19.
https://admin.fedoraproject.org/updates/docker-io-0.11.1-7.fc19
Comment 5 Fedora Update System 2014-05-29 23:25:16 UTC 
Package docker-io-0.11.1-7.fc19:
* should fix your issue,
* was pushed to the Fedora 19 testing repository,
* should be available at your local mirror within two days.
Update it with:
# su -c 'yum update --enablerepo=updates-testing docker-io-0.11.1-7.fc19'
as soon as you are able to.
Please go to the following url:
https://admin.fedoraproject.org/updates/FEDORA-2014-6848/docker-io-0.11.1-7.fc19
then log in and leave karma (feedback).
Comment 6 Fedora Update System 2014-06-10 02:50:43 UTC 
docker-io-0.11.1-7.fc19 has been pushed to the Fedora 19 stable repository.  If problems still persist, please make note of it in this bug report.
Comment 7 Fedora Update System 2014-06-10 02:53:38 UTC 
docker-io-0.11.1-7.fc20 has been pushed to the Fedora 20 stable repository.  If problems still persist, please make note of it in this bug report.