Bug 967973

Summary:	fedora 17 libvirt lxc guest on redhat 6.4 host
Product:	[Fedora] Fedora	Reporter:	James R. Leu <jleu>
Component:	systemd	Assignee:	systemd-maint
Status:	CLOSED WONTFIX	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	17	CC:	johannbg, lnykryn, msekleta, notting, plautrba, systemd-maint, vpavlin, zbyszek
Target Milestone:	---
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2013-06-04 11:49:02 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:

Description James R. Leu 2013-05-28 17:11:42 UTC

Description of problem:
redhat 6.4 kernel does not support /sys/fs/cgroup but /cgroup does exist in the LXC. systemctl does not work without /sys/fs/cgroup and systemd cannot shutdown without /sys/fs/cgroup


Version-Release number of selected component (if applicable):
In the LXC:
systemd-44-24.fc17.x86_64

How reproducible:
always

Steps to Reproduce:
1. create fedora17 LXC on redhat 6.4 host
2. run systemctl
3.

Actual results:
Failed to get D-Bus connection: No connection to service manager.

Expected results:
systemctl should list systemd services/targets

Additional info:
Is there a way systemd can use /cgroup if /sys/fs/cgroup does not exist?

Comment 1 Lennart Poettering 2013-06-04 11:49:02 UTC

Sorry, but we do not support these old kernels with systemd.

Comment 2 James R. Leu 2013-06-04 12:11:38 UTC

Lennart, I've read the original bug report where you rant on and on about not
supporting old non cgroup kernels.  I would like to point out that my use case is RedHat's bread and butter for the future - virtualized desktops (Fedora 17 LXC) on a RHEL 6.4 host.  Not only that, but all that is needed is for systemd to look for /cgroup as opposed to /sys/fs/cgroup.  I understand you've 'put your foot down' but I'm not sure you should be speaking on behalf of a $1bn company especially in such a huge growth area as desktop virtualization.  As a long time user of RHEL on over 500 systems, your standpoint does not make business sense.

Comment 3 Lennart Poettering 2013-06-04 13:05:22 UTC

It's really no that simple I fear. The mount point change is one among many things we require from modern kernels. You will run into many similar issues pretty quickly.