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core: document that JoinControllers= might be ineffective in initrd uses

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https://bugzilla.redhat.com/show_bug.cgi?id=875531
This commit is contained in:
Lennart Poettering 2013-01-14 20:37:12 +01:00
parent 6eebcda6a2
commit e5e991a11c
1 changed files with 14 additions and 1 deletions
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15
man/systemd.conf.xml
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@ -134,7 +134,20 @@
'cpu,cpuacct'. Pass an empty string to
ensure that systemd mounts all
controllers in separate
hierarchies.</para></listitem>
hierarchies.</para>
<para>Note that this option is only
applied once, at very early boot. If
you use an initial RAM disk (initrd)
that uses systemd it might hence be
necessary to rebuild the initrd if
this option is changed, and make sure
the new configuration file is included
in it. Otherwise the initrd might
mount the controllers in different
configuration than intended, and the
main system cannot remount them
anymore.</para></listitem>
</varlistentry>
<varlistentry>