Bug 655222 - systemd complains "Failed to mount ..." when booting with cgroup_disable=memory
Summary: systemd complains "Failed to mount ..." when booting with cgroup_disable=memory
Keywords:
Status: CLOSED UPSTREAM
Alias: None
Product: Fedora
Classification: Fedora
Component: systemd
Version: rawhide
Hardware: Unspecified
OS: Unspecified
low
medium
Target Milestone: ---
Assignee: Lennart Poettering
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2010-11-19 22:08 UTC by Michal Jaegermann
Modified: 2010-11-21 21:31 UTC (History)
5 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2010-11-21 21:31:13 UTC
Type: ---
Embargoed:

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Description Michal Jaegermann 2010-11-19 22:08:50 UTC 
Description of problem:

With cgroup_disable=memory present in a boot command the following shows up when booting with systemd:

Failed to mount /sys/fs/cgroup/memory: Invalid argument

That shows up between last dracut messages and just before messages identified as coming from systemd begin and is apparently from systemd.

That does not seem to have any real adverse effects but if such failure was designed to be benign then why to complain about it? 


Version-Release number of selected component (if applicable):
systemd-13-1.fc15

How reproducible:
on every boot with cgroup_disable=memory
Comment 1 Lennart Poettering 2010-11-21 21:31:13 UTC 
Fixed in systemd git upstream. It will no longer try to mount cgroup controllers that aren't enabled. This should ensure that the message you saw goes away (even though that message had little impact anyway).
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