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| author | Lennart Poettering <lennart@poettering.net> | 2013-01-14 20:37:12 +0100 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2013-01-14 20:37:12 +0100 |
| commit | e5e991a11c7749f8cb424e99ca4206264b0cf836 (patch) | |
| tree | 357d92420ce67f2562599ff8a07cceee9a5c0a2c | |
| parent | 6eebcda6a260cae878e7329b457c80b53bdc4b49 (diff) | |
core: document that JoinControllers= might be ineffective in initrd uses
https://bugzilla.redhat.com/show_bug.cgi?id=875531
| -rw-r--r-- | man/systemd.conf.xml | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/man/systemd.conf.xml b/man/systemd.conf.xml index a6be932c7..da3c7f778 100644 --- a/man/systemd.conf.xml +++ b/man/systemd.conf.xml @@ -131,13 +131,26 @@ separated controller names, in order to allow multiple joined hierarchies. Defaults to '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> <term><varname>RuntimeWatchdogSec=</varname></term> <term><varname>ShutdownWatchdogSec=</varname></term> |