1 <?xml version='
1.0'
?> <!--*-nxml-*-->
2 <!DOCTYPE refentry PUBLIC
"-//OASIS//DTD DocBook XML V4.5//EN"
3 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd">
4 <!-- SPDX-License-Identifier: LGPL-2.1-or-later -->
6 <refentry id=
"systemd-bsod.service" conditional='HAVE_QRENCODE ENABLE_INITRD'
7 xmlns:
xi=
"http://www.w3.org/2001/XInclude">
10 <title>systemd-bsod
</title>
11 <productname>systemd
</productname>
15 <refentrytitle>systemd-bsod.service
</refentrytitle>
16 <manvolnum>8</manvolnum>
20 <refname>systemd-bsod.service
</refname>
21 <refname>systemd-bsod
</refname>
22 <refpurpose>Displays boot-time emergency log message in full screen
</refpurpose>
26 <para><filename>systemd-bsod.service
</filename></para>
28 <command>/usr/lib/systemd/systemd-bsod
</command>
29 <arg choice=
"opt" rep=
"repeat">OPTIONS
</arg>
34 <title>Description
</title>
36 <para><filename>systemd-bsod.service
</filename> is used to display a blue screen which contains a message
37 relating to a boot failure, including a QR code which can be scanned to get helpful information about the
42 <title>Options
</title>
44 <para>The following options are understood by
<command>systemd-bsod
</command>:
</para>
47 <xi:include href=
"standard-options.xml" xpointer=
"help" />
48 <xi:include href=
"standard-options.xml" xpointer=
"version" />
51 <term><option>-c
</option></term>
52 <term><option>--continuous
</option></term>
54 <listitem><para>When specified,
<command>systemd-bsod
</command> waits continuously for changes in the
55 journal if it doesn't find any emergency messages on the initial attempt.
</para>
57 <xi:include href=
"version-info.xml" xpointer=
"v255"/></listitem>
61 <term><option>--tty=
<replaceable></replaceable></option></term>
63 <listitem><para>Specify the TTY to output to. By default
<command>systemd-bsod
</command> will
64 automatically find a free VT to display the message on. If this option is specified a TTY may be
65 selected explicitly. Use
<option>--tty=/dev/tty
</option> to direct output to the terminal the command
68 <xi:include href=
"version-info.xml" xpointer=
"v256"/></listitem>
75 <title>Exit status
</title>
77 <para>On success (displaying the journal message successfully),
0 is returned, a non-zero failure code otherwise.
</para>
81 <title>See Also
</title>
83 <citerefentry><refentrytitle>systemd
</refentrytitle><manvolnum>1</manvolnum></citerefentry>