https://bugzilla.redhat.com/show_bug.cgi?id=1096280
Bug ID: 1096280 Summary: docker top stopped working, cgroup path changed Product: Red Hat Enterprise Linux 7 Version: 7.1 Component: docker Assignee: lsm5@redhat.com Reporter: ldoktor@redhat.com QA Contact: virt-bugs@redhat.com CC: admiller@redhat.com, golang@lists.fedoraproject.org, lsm5@redhat.com, mattdm@redhat.com, mgoldman@redhat.com, skottler@redhat.com, vbatts@redhat.com Depends On: 1088125
+++ This bug was initially created as a clone of Bug #1088125 +++
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-0.10.0-8.el7.x86_64 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
--- Additional comment from Lukas Doktor on 2014-05-05 03:46:55 EDT ---
The same bug is in upstream Docker version 0.10.0, build dc9c28f/0.10.0
Referenced Bugs:
https://bugzilla.redhat.com/show_bug.cgi?id=1088125 [Bug 1088125] docker top stopped working, cgroup path changed