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debug-generator: introduce rd.* version of all options

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This commit is contained in:
Lukas Nykryn 2018-10-25 16:34:00 +02:00
parent ed58820d76
commit a7dd6d04b0
2 changed files with 20 additions and 9 deletions
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27
man/systemd-debug-generator.xml
View File

@ -33,27 +33,38 @@
that reads the kernel command line and understands three
options:</para>
<para>If the <option>systemd.mask=</option> option is specified
and followed by a unit name, this unit is masked for the runtime,
similar to the effect of
<para>If the <option>systemd.mask=</option> or <option>rd.systemd.mask=</option>
option is specified and followed by a unit name, this unit is
masked for the runtime, similar to the effect of
<citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>'s
<command>mask</command> command. This is useful to boot with
certain units removed from the initial boot transaction for
debugging system startup. May be specified more than once.</para>
debugging system startup. May be specified more than once.
<option>rd.systemd.mask=</option> is honored only by initial
RAM disk (initrd) while <option>systemd.mask=</option> is
honored only in the main system.</para>
<para>If the <option>systemd.wants=</option> option is specified
<para>If the <option>systemd.wants=</option> or
<option>rd.systemd.wants=</option> option is specified
and followed by a unit name, a start job for this unit is added to
the initial transaction. This is useful to start one or more
additional units at boot. May be specified more than once.</para>
additional units at boot. May be specified more than once.
<option>rd.systemd.wants=</option> is honored only by initial
RAM disk (initrd) while <option>systemd.wants=</option> is
honored only in the main system.</para>
<para>If the <option>systemd.debug_shell</option> option is
<para>If the <option>systemd.debug_shell</option> or
<option>rd.systemd.debug_shell</option> option is
specified, the debug shell service
<literal>debug-shell.service</literal> is pulled into the boot
transaction. It will spawn a debug shell on tty9 during early
system startup. Note that the shell may also be turned on
persistently by enabling it with
<citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>'s
<command>enable</command> command.</para>
<command>enable</command> command.
<option>rd.systemd.debug_shell=</option> is honored only by initial
RAM disk (initrd) while <option>systemd.debug_shell</option> is
honored only in the main system.</para>
<para><filename>systemd-debug-generator</filename> implements
<citerefentry><refentrytitle>systemd.generator</refentrytitle><manvolnum>7</manvolnum></citerefentry>.</para>

2
src/debug-generator/debug-generator.c
View File

@ -154,7 +154,7 @@ int main(int argc, char *argv[]) {
umask(0022);
r = proc_cmdline_parse(parse_proc_cmdline_item, NULL, 0);
r = proc_cmdline_parse(parse_proc_cmdline_item, NULL, PROC_CMDLINE_RD_STRICT | PROC_CMDLINE_STRIP_RD_PREFIX);
if (r < 0)
log_warning_errno(r, "Failed to parse kernel command line, ignoring: %m");