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e9f781a5a4
Introduce the `systemd.break=` kernel command line option to allow stopping the boot process at a certain point and spawn a debug shell. After exiting this shell, the system will resume booting. It accepts the following values: - `pre-udev`: before starting to process kernel uevents (initrd and host). - `pre-basic`: before leaving early boot and regular services start (initrd and host). - `pre-mount`: before the root filesystem is mounted (initrd). - `pre-switch-root`: before switching root (initrd).
37 lines
1.3 KiB
SYSTEMD
37 lines
1.3 KiB
SYSTEMD
# SPDX-License-Identifier: LGPL-2.1-or-later
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#
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# This file is part of systemd.
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#
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# systemd is free software; you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation; either version 2.1 of the License, or
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# (at your option) any later version.
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[Unit]
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Description=Breakpoint Before Starting to Process Kernel uevents
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Documentation=man:systemd-debug-generator(8)
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DefaultDependencies=no
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Conflicts=shutdown.target emergency.target
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Wants=systemd-journald.socket
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After=systemd-journald.socket systemd-vconsole-setup.service
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Before=systemd-udevd.service systemd-udev-trigger.service
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[Service]
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Environment=SHELL_PROMPT_PREFIX="pre-udev "
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Type=oneshot
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ExecStartPre=-plymouth --wait quit
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# Execute shell with "-" prefix to not consider the unit failed if it exits with
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# a non-zero value
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ExecStart=-{{SUSHELL}}
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StandardInput=tty-force
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StandardOutput=inherit
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StandardError=inherit
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KillMode=process
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IgnoreSIGPIPE=no
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# bash ignores SIGTERM
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KillSignal=SIGHUP
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# Unset locale for the console getty since the console has problems
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# displaying some internationalized messages.
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UnsetEnvironment=LANG LANGUAGE LC_CTYPE LC_NUMERIC LC_TIME LC_COLLATE LC_MONETARY LC_MESSAGES LC_PAPER LC_NAME LC_ADDRESS LC_TELEPHONE LC_MEASUREMENT LC_IDENTIFICATION
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