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NAME | SYNOPSIS | DESCRIPTION | SEE ALSO | COLOPHON |
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SYSTEMD-....SERVICE(8) systemd-udev-settle.serviceSYSTEMD-....SERVICE(8)
systemd-udev-settle.service - Wait for all pending udev events to
be handled
systemd-udev-settle.service
This service calls udevadm settle to wait until all events that
have been queued by udev(7) have been processed. It is a crude
way to wait until "all" hardware has been discovered. Services
may pull in this service and order themselves after it to wait
for the udev queue to be empty.
Using this service is not recommended. There can be no guarantee
that hardware is fully discovered at any specific time, because
the kernel does hardware detection asynchronously, and certain
buses and devices take a very long time to become ready, and also
additional hardware may be plugged in at any time. Instead,
services should subscribe to udev events and react to any new
hardware as it is discovered. Services that, based on
configuration, expect certain devices to appear, may warn or
report failure after a timeout. This timeout should be tailored
to the hardware type. Waiting for systemd-udev-settle.service
usually slows boot significantly, because it means waiting for
all unrelated events too.
udev(7), udevadm(8)
This page is part of the systemd (systemd system and service
manager) project. Information about the project can be found at
⟨http://www.freedesktop.org/wiki/Software/systemd⟩. If you have
a bug report for this manual page, see
⟨http://www.freedesktop.org/wiki/Software/systemd/#bugreports⟩.
This page was obtained from the project's upstream Git repository
⟨https://github.com/systemd/systemd.git⟩ on 2024-06-14. (At that
time, the date of the most recent commit that was found in the
repository was 2024-06-13.) If you discover any rendering
problems in this HTML version of the page, or you believe there
is a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
man-pages@man7.org
systemd 257~devel SYSTEMD-....SERVICE(8)
Pages that refer to this page: systemd.directives(7), systemd.index(7), udevadm(8)
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HTML rendering created 2024-06-26 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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