systemd/0039-debug-generator-introduce-rd.-version-of-all-options.patch

78 lines
3.9 KiB
Diff

From 55798355455b9255458d6a705f8766c4dbe3ef73 Mon Sep 17 00:00:00 2001
From: Lukas Nykryn <lnykryn@redhat.com>
Date: Thu, 25 Oct 2018 16:34:00 +0200
Subject: [PATCH] debug-generator: introduce rd.* version of all options
(cherry picked from commit a7dd6d04b07f58df5c0294743d76df0be0b4b928)
Resolves: #1643429
---
man/systemd-debug-generator.xml | 27 +++++++++++++++++++--------
src/debug-generator/debug-generator.c | 2 +-
2 files changed, 20 insertions(+), 9 deletions(-)
diff --git a/man/systemd-debug-generator.xml b/man/systemd-debug-generator.xml
index d5cf4109b0..fa88e8ac01 100644
--- a/man/systemd-debug-generator.xml
+++ b/man/systemd-debug-generator.xml
@@ -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>
diff --git a/src/debug-generator/debug-generator.c b/src/debug-generator/debug-generator.c
index dd6ab94fa2..800d31cebe 100644
--- a/src/debug-generator/debug-generator.c
+++ b/src/debug-generator/debug-generator.c
@@ -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");