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Backports of patch from systemd git to stable distributions
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Alexander Graf 60a239c54e pstore: Run after modules are loaded 
The systemd-pstore service takes pstore files on boot and transfers them
to disk. It only does it once on boot and only if it finds any. The typical
location of the pstore on modern systems is the UEFI variable store.

Most distributions ship with CONFIG_EFI_VARS_PSTORE=m. That means, the
UEFI variable store is only available on boot after the respective module
is loaded.

In most situations, the pstore service gets loaded before the UEFI pstore,
so we don't get to transfer logs. Instead, they accumulate, filling up the
pstore over time, potentially breaking the UEFI variable store.

Let's add a service dependency on any kernel module that can provide a
pstore to ensure we only scan for pstate after we can actually see pstate.

I have seen live occurences of systems breaking because we did not erase
the pstates and ran out of UEFI nvram space.

Fixes https://github.com/systemd/systemd/issues/18540

(cherry picked from commit 70e74a5997)
2022-11-03 16:38:28 +01:00
.github mkosi: Remove Arch nspawn workaround 2022-03-05 21:03:32 +00:00
.lgtm/cpp-queries ci: pack-ify our custom CodeQL queries and enable them in Actions 2021-12-07 14:57:09 +01:00
.semaphore semaphoreci: move runner from Bionic to Focal 2022-04-29 00:13:13 +01:00
catalog meson: do not use split() in file lists 2022-03-05 21:03:32 +00:00
coccinelle Change all fixed-path bash shebangs to /u/b/env bash outside test/ 2021-12-12 21:13:50 +01:00
docs docs: swap Name and Partition Type UUID in header 2022-03-05 21:03:32 +00:00
factory/etc pam: fix typo try_authtok → use_authtok 2021-05-12 12:14:17 +02:00
hwdb.d hwdb: analyzers: remove generic "STM Device in DFU Mode" 2022-07-13 13:15:56 +02:00
LICENSES licensing: add a license file for the fonts we carry 2021-10-18 09:43:18 +02:00
man man: "enabled commands are started at boot" is rubbish 2022-07-13 13:30:44 +02:00
mkosi.default.d mkosi: drop libiptc from build for Fedora 2022-05-26 12:36:33 +01:00
modprobe.d meson: install the right README file in modprobe.d 2021-07-07 14:52:05 +02:00
network network: dhcp-pd: add 6rd support 2021-12-07 20:33:16 +09:00
po Update LINGUAS (#21499) 2021-11-25 20:24:00 +09:00
presets units: enable systemd-network-generator by default 2021-12-16 09:49:39 +01:00
rules.d meson: do not use split() in file lists 2022-03-05 21:03:32 +00:00
shell-completion bash-completion: resolvectl: add missing options and verb 2022-05-25 16:39:32 +02:00
src core/device: do not downgrade device state if it is already enumerated 2022-09-30 16:56:18 +02:00
sysctl.d build: preserve correct mode when generating files via jinja2 2021-11-08 12:06:48 +00:00
sysusers.d sysusers: avoid creating spurious "nobody" group 2021-11-30 16:16:25 +01:00
test test: use saved process PID instead of %% 2022-07-13 13:18:16 +02:00
tmpfiles.d tmpfiles: split out config for systemd-resolve 2021-11-16 16:56:08 +01:00
tools docs: swap Name and Partition Type UUID in header 2022-03-05 21:03:32 +00:00
units pstore: Run after modules are loaded 2022-11-03 16:38:28 +01:00
xorg xorg/50-systemd-user: add a full license header 2021-10-01 14:45:00 +02:00
.clang-format clang-format: we actually typically use 16ch continuation indentation 2022-03-05 21:03:32 +00:00
.ctags editors: Prevent ctags from following symlinks 2019-02-15 11:01:20 -08:00
.dir-locals.el scripts: use 4 space indentation 2019-04-12 08:30:31 +02:00
.editorconfig editorconfig: set maximum line length to 109 for man/*.xml files 2021-09-30 13:45:34 +02:00
.gitattributes gitattributes: introduce and use "generated" attribute 2021-10-18 09:42:55 +02:00
.gitignore emacs: ignore .dir-locals-2.el (personal customization) versioning 2022-07-13 13:30:44 +02:00
.lgtm.yml ci: add a missing SPDX header 2021-12-07 14:15:04 +01:00
.mailmap mailmap: two more names 2021-03-30 13:17:58 +02:00
.packit.yml packit: drop bfq patch 2022-04-02 01:56:36 +09:00
.vimrc scripts: use 4 space indentation 2019-04-12 08:30:31 +02:00
.ycm_extra_conf.py ycm: add doc string for all the functions in configuration file 2017-11-29 13:21:49 -07:00
configure tools: shellcheck-ify tool scripts 2021-09-30 12:27:06 +02:00
LICENSE.GPL2 relicense to LGPLv2.1 (with exceptions) 2012-04-12 00:24:39 +02:00
LICENSE.LGPL2.1 licence: remove references to old FSF address 2012-12-17 11:41:31 +01:00
Makefile tree-wide: add spdx header on all scripts and helpers 2021-01-28 09:55:35 +01:00
meson_options.txt boot, meson: allow statically linked build 2021-12-14 09:58:27 +09:00
meson.build pkgconfig,rpm: expose vars for user-tmpfiles.d location 2022-07-13 13:18:20 +02:00
mkosi.build ci: check for failed services after boot 2021-12-10 10:25:43 +01:00
mkosi.postinst ci: check for failed services after boot 2021-12-10 10:25:43 +01:00
NEWS NEWS: adjust links to moved pages 2022-01-12 22:10:30 +01:00
README meson: Drop required libfdisk version to 2.32 2022-03-05 21:03:32 +00:00
README.md Fix loading of graphs 2021-12-14 15:27:25 +09:00
TODO docs: use https:// for fd.o links 2022-01-12 22:10:51 +01:00

README.md

Systemd

System and Service Manager

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Details

Most documentation is available on systemd's web site.

Assorted, older, general information about systemd can be found in the systemd Wiki.

Information about build requirements is provided in the README file.

Consult our NEWS file for information about what's new in the most recent systemd versions.

Please see the Code Map for information about this repository's layout and content.

Please see the Hacking guide for information on how to hack on systemd and test your modifications.

Please see our Contribution Guidelines for more information about filing GitHub Issues and posting GitHub Pull Requests.

When preparing patches for systemd, please follow our Coding Style Guidelines.

If you are looking for support, please contact our mailing list or join our IRC channel.

Stable branches with backported patches are available in the stable repo.