SYSTEMD-UDEV-SETTLE.SERVICE(8)



SYSTEMD-UDEV-SETTLE.SERVICsystemd-udev-settle.seSYSTEMD-UDEV-SETTLE.SERVICE(8)

NAME
       systemd-udev-settle.service - Wait for all pending udev events to be
       handled

SYNOPSIS
       systemd-udev-settle.service

DESCRIPTION
       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.

SEE ALSO
       udev(7), udevadm(8)

systemd 245                                     SYSTEMD-UDEV-SETTLE.SERVICE(8)

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