[systemd-devel] udevadm settle takes too long to finish

[Kay Sievers]

On Sat, Dec 7, 2013 at 8:46 PM, Robert Milasan <rmilasan at suse.com> wrote:
> I'm running systemd 208 and I've noticed that the service that
> takes the most time to finish is 'systemd-udev-settle.service':
>
> rmilasan at coolcat:~> systemd-analyze blame|head
>           1.890s systemd-udev-settle.service
>           1.804s NetworkManager.service
>           1.447s ModemManager.service
>           1.410s kmod-static-nodes.service
>           1.408s systemd-udev-root-symlink.service
>           1.042s dev-mqueue.mount
>           1.041s sys-kernel-debug.mount
>           1.041s dev-hugepages.mount
>
> Note: I'm not using raid nor lvm and biosdevname package is not
> installed.
>
> Can anyone clarify why does udevadm settle takes so long to finish?

It is not used by default, not enabled.

You probably have legacy tools running/installed pulling it in, like
dmraid installed? If it's something else, grep through the service
files. You might be able to just get rid of some old stuff, if you
don't use it.

Kay