Provided by: hibernate_1.12-1ubuntu1_all bug


       hibernate - save your computer’s state to disk, and then switch it off


       hibernate [OPTION]...


       The  hibernate script (or "suspend script") is used to invoke the Linux
       kernel’s Software Suspend functionality.

       When you hibernate your machine, the contents of your computer’s memory
       will  be  saved  to  disc, and your computer will switch off.  When you
       switch it back on again, it will resume exactly  as  it  was  when  you
       hibernated.   This  script is designed for Software Suspend 2, which is
       not yet included in the main kernel tree and must  be  downloaded  from
       the Software Suspend web site at, but can also
       utilise the vanilla kernel interfaces for  swsusp  or  pmdisk  (through
       /proc/acpi/sleep  or /sys/power/state).  Instructions on setting up the
       kernel can also be found on that web site.

       The hibernate script takes care of the user-space side of the  suspend,
       including unloading and reloading drivers which don’t suspend properly,
       setting the system clock after resuming, taking down  and  bringing  up
       network interfaces and various other hacks that may be required on some
       hardware.  By default, all it does is restore the  system  clock  after
       suspending;  see  hibernate.conf(5)  for information on configuring the
       rest of its functionality.

       If the hibernate script is invoked with a name of the  form  hibernate-
       foo  then  it  will  use the configuration file /etc/hibernate/foo.conf
       instead of the default.

       The hibernate script accepts the following command-line options:


       -h, --help      Shows this help screen.

       --version       Shows the Hibernate Script version.

       -f, --force     Ignore errors and suspend anyway.

       -k, --kill      Kill processes if needed, in order to suspend.

       -v<n>, --verbosity=<n>
                       Change verbosity level (0 = errors only, 3 = verbose, 4
                       = debug)

       -F<file>, --config-file=<file>
                       Use the given configuration file instead of the default

       --dry-run       Don’t actually do anything.

       -n, --no-suspend (requires UseACPISleep to be set)
                       Disables   actually   suspending   the    system    via
                       /proc/acpi/sleep.   This  is  useful  for  testing  the
                       suspend script itself.

       -g, --restore-grub
                       Restores the grub menu to normal (use if a  resume  was
                       not  completed  sucessfully)  and  exits  the script. A
                       suspend is not performed.

       --lock-console-as <username>
                       Uses vlock to lock the entire  system  after  resuming,
                       requirng  you  to enter the password for the given user
                       to unlock it. This overrides any username given in  the
                       configuration file. (Requires vlock)

       -r[0|1], --reboot[=<0|1>] (requires UseSuspend2 on)
                       If  0  is  specified, disables rebooting after suspend,
                       regardless of the Reboot option  in  the  configuration
                       file.  If  1  or  omitted,  will  force  a reboot after

       -n, --no-suspend (requires UseSuspend2 on)
                       Disables actually suspending the system. This is useful
                       for testing the suspend script itself.

       --save-settings [filename] (requires UseSuspend2 on)
                       Saves  all  the current settings for Software Suspend 2
                       into a file (default: /swsusp2-all-settings.conf)

       --bug-report (requires UseSuspend2 on)
                       Gathers a bunch of information about your  machine  and
                       writes  it  to  standard  output.  Please  attach  this
                       information along with any bug reports to the  Software
                       Suspend mailing list.

       -n, --no-suspend (requires SysfsPowerState to be set)
                       Disables    actually    suspending   the   system   via
                       /sys/power/state.  This  is  useful  for  testing   the
                       suspend script itself.


       The  exit  codes  returned  by  the  hibernate  script are currently as

       0      Hibernation was completed successfully.

       2      Hibernation was aborted due to errors  from  some  part  of  the
              script.  (eg,  modules  not unloading, devices or filesystems in

       3      Hibernate script was aborted by user with Ctrl+C. (This does not
              mean the suspend was aborted by a user by pressing Escape).

       4      Hibernation  was  aborted by a kernel problem (hibernate.log and
              dmesg should indicate why), or the user aborted the suspend with
              the Escape key.


                 Contains  options  which  influence  the  hibernate  script’s
                 behaviour.  See hibernate.conf(5) for more information.



                 These  directories   contains   "scriptlets"   that   provide
                 functionality   when   suspending   and  resuming.   See  the
                 SCRIPTLET-API file included with the distribution (which  can
                 be  found  in /usr/share/doc/hibernate on Debian systems) for
                 information on how these work.


       Probably lots!

       If you have problems with the hibernate script or Software Suspend, the
       best     place     to    ask    is    on    the    mailing    list    - You will need to subscribe to  post.
       See for details.

       If the suspend process itself crashes (while "Writing caches", "Reading
       caches", or "Copying original kernel back", etc), then the problem lies
       with Software Suspend 2 itself. See the FAQ at
       for help on debugging.


       This script was written by Bernard Blackham, with contributions from:

       ·   Carsten Rietzschel (modules, bootsplash and grub  scriptlets.  many
           ideas and bugfixes)

       ·   Cameron  Patrick  (many  bugfixes  and  ideas,  man page and Debian