<?xml version="1.0"?> <!--*-nxml-*--> <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd"> <!-- SPDX-License-Identifier: LGPL-2.1-or-later --> <refentry id="systemd-hibernate-resume-generator" conditional='ENABLE_HIBERNATE' xmlns:xi="http://www.w3.org/2001/XInclude"> <refentryinfo> <title>systemd-hibernate-resume-generator</title> <productname>systemd</productname> </refentryinfo> <refmeta> <refentrytitle>systemd-hibernate-resume-generator</refentrytitle> <manvolnum>8</manvolnum> </refmeta> <refnamediv> <refname>systemd-hibernate-resume-generator</refname> <refpurpose>Unit generator for resume= kernel parameter</refpurpose> </refnamediv> <refsynopsisdiv> <para><filename>/usr/lib/systemd/system-generators/systemd-hibernate-resume-generator</filename></para> </refsynopsisdiv> <refsect1> <title>Description</title> <para><command>systemd-hibernate-resume-generator</command> is a generator that initiates the procedure to resume the system from hibernation. It creates the <citerefentry><refentrytitle>systemd-hibernate-resume.service</refentrytitle><manvolnum>8</manvolnum></citerefentry> unit according to the value of <option>resume=</option> parameter specified on the kernel command line, or the value of EFI variable <varname>HibernateLocation</varname>, which will instruct the kernel to resume the system from the hibernation image on that device.</para> </refsect1> <refsect1> <title>Kernel Command Line</title> <para><filename>systemd-hibernate-resume-generator</filename> understands the following kernel command line parameters:</para> <variablelist class='kernel-commandline-options'> <varlistentry> <term><varname>resume=</varname></term> <listitem><para>Takes a path to the resume device. Both persistent block device paths like <filename index="false">/dev/disk/by-foo/bar</filename> and <citerefentry project='man-pages'><refentrytitle>fstab</refentrytitle><manvolnum>5</manvolnum></citerefentry>-style specifiers like <literal>FOO=bar</literal> are supported.</para> <xi:include href="version-info.xml" xpointer="v217"/></listitem> </varlistentry> <varlistentry> <term><varname>resume_offset=</varname></term> <listitem><para>Takes the page offset of the swap space from the resume device. Defaults to <literal>0</literal>.</para> <xi:include href="version-info.xml" xpointer="v254"/></listitem> </varlistentry> <varlistentry> <term><varname>resumeflags=</varname></term> <listitem><para>Takes the resume device mount options to use. Defaults <varname>rootflags=</varname> if not specified.</para> <xi:include href="version-info.xml" xpointer="v243"/></listitem> </varlistentry> <varlistentry> <term><varname>noresume</varname></term> <listitem><para>Do not try to resume from hibernation. If this parameter is present, <varname>resume=</varname> is ignored.</para> <xi:include href="version-info.xml" xpointer="v240"/></listitem> </varlistentry> </variablelist> </refsect1> <refsect1> <title>See Also</title> <para><simplelist type="inline"> <member><citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry></member> <member><citerefentry><refentrytitle>systemd-hibernate-resume.service</refentrytitle><manvolnum>8</manvolnum></citerefentry></member> <member><citerefentry><refentrytitle>kernel-command-line</refentrytitle><manvolnum>7</manvolnum></citerefentry></member> </simplelist></para> </refsect1> </refentry>