diff options
Diffstat (limited to 'man')
| -rw-r--r-- | man/systemd-halt.service.xml | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/man/systemd-halt.service.xml b/man/systemd-halt.service.xml index 2fd7b8bf80..0737d058d1 100644 --- a/man/systemd-halt.service.xml +++ b/man/systemd-halt.service.xml @@ -83,6 +83,12 @@ remaining swap devices, detach all remaining storage devices and kill all remaining processes.</para> + <para>It is necessary to have this code in a separate binary + because otherwise rebooting after an upgrade might be broken — + the running PID 1 could still depend on libraries which are not + available any more, thus keeping the filesystem busy, which + then cannot be re-mounted read-only.</para> + <para>Immediately before executing the actual system halt/poweroff/reboot/kexec <filename>systemd-shutdown</filename> will run all |