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<?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-bsod.service" conditional='HAVE_QRENCODE ENABLE_INITRD'
xmlns:xi="http://www.w3.org/2001/XInclude">
<refentryinfo>
<title>systemd-bsod</title>
<productname>systemd</productname>
</refentryinfo>
<refmeta>
<refentrytitle>systemd-bsod.service</refentrytitle>
<manvolnum>8</manvolnum>
</refmeta>
<refnamediv>
<refname>systemd-bsod.service</refname>
<refname>systemd-bsod</refname>
<refpurpose>Displays boot-time emergency log message in full screen</refpurpose>
</refnamediv>
<refsynopsisdiv>
<para><filename>systemd-bsod.service</filename></para>
<cmdsynopsis>
<command>/usr/lib/systemd/systemd-bsod</command>
<arg choice="opt" rep="repeat">OPTIONS</arg>
</cmdsynopsis>
</refsynopsisdiv>
<refsect1>
<title>Description</title>
<para><filename>systemd-bsod.service</filename> is used to display a blue screen which contains a message
relating to a boot failure, including a QR code which can be scanned to get helpful information about the
failure.</para>
</refsect1>
<refsect1>
<title>Options</title>
<para>The following options are understood by <command>systemd-bsod</command>:</para>
<variablelist>
<xi:include href="standard-options.xml" xpointer="help" />
<xi:include href="standard-options.xml" xpointer="version" />
<varlistentry>
<term><option>-c</option></term>
<term><option>--continuous</option></term>
<listitem><para>When specified, <command>systemd-bsod</command> waits continuously for changes in the
journal if it doesn't find any emergency messages on the initial attempt.</para>
<xi:include href="version-info.xml" xpointer="v255"/></listitem>
</varlistentry>
<varlistentry>
<term><option>--tty=<replaceable></replaceable></option></term>
<listitem><para>Specify the TTY to output to. By default <command>systemd-bsod</command> will
automatically find a free VT to display the message on. If this option is specified a TTY may be
selected explicitly. Use <option>--tty=/dev/tty</option> to direct output to the terminal the command
is invoked on.</para>
<xi:include href="version-info.xml" xpointer="v256"/></listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>Exit status</title>
<para>On success (displaying the journal message successfully), 0 is returned, a non-zero failure code otherwise.</para>
</refsect1>
<refsect1>
<title>See Also</title>
<para>
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>
</para>
</refsect1>
</refentry>
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