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54 lines
2.0 KiB
XML
54 lines
2.0 KiB
XML
<?xml version="1.0"?>
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<!--*-nxml-*-->
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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<!-- SPDX-License-Identifier: LGPL-2.1-or-later -->
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<refentry id="systemd-hibernate-resume.service" conditional='ENABLE_HIBERNATE'>
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<refentryinfo>
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<title>systemd-hibernate-resume.service</title>
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<productname>systemd</productname>
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</refentryinfo>
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<refmeta>
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<refentrytitle>systemd-hibernate-resume.service</refentrytitle>
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<manvolnum>8</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>systemd-hibernate-resume.service</refname>
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<refname>systemd-hibernate-resume</refname>
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<refpurpose>Resume from hibernation</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<para><filename>systemd-hibernate-resume.service</filename></para>
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<para><filename>/usr/lib/systemd/systemd-hibernate-resume</filename></para>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para><filename>systemd-hibernate-resume.service</filename> initiates the resume from hibernation.</para>
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<para><command>systemd-hibernate-resume</command> only supports the in-kernel hibernation
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implementation, see <ulink url="https://docs.kernel.org/power/swsusp.html">Swap suspend</ulink>.
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Internally, it works by writing the major:minor of specified device node to
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<filename>/sys/power/resume</filename>, along with the offset in memory pages
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(<filename>/sys/power/resume_offset</filename>) if supported.</para>
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<para>Failing to initiate a resume is not an error condition. It may mean that there was
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no resume image (e. g. if the system has been simply powered off and not hibernated).
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In such cases, the boot is ordinarily continued.</para>
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</refsect1>
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<refsect1>
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<title>See Also</title>
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<para>
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<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd-hibernate-resume-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>
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</para>
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</refsect1>
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</refentry>
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