Bug#444980: udev not restarted after exiting runlevel 1

Dmitry Bogatov KAction at debian.org
Tue Jan 8 12:37:36 GMT 2019

control: tags -1 +moreinfo

Seems old discussion did not ended in solution. Let us try again.

Dear udev maintainers, did anything changed? Are there still problems
running /etc/init.d/udev from runlevel 1 (when udev daemon was killed)
manually by sysadmin to restart it?

[2010-06-05 09:05] Petter Reinholdtsen <pere at hungry.com>
> [Henrique de Moraes Holschuh]
> > Trying to track that is a losing proposition. You'd also need to add
> > dhclient and other dhcp clients, wpa supplicant helpers, pppoe
> > helpers...
> My idea is to implement some omitpid feature like the one we use for
> shutdown in the killprocs script, to allow udev to survive runlevel 1.
> With it in place, the other daemons that want to keep running can
> register their pid there.
> > Our S runlevel does way too much, which obviously screws up runlevel
> > 1 a great deal.
> Yeah.  There is a lot of work left before single user and runlevel 1
> on Debian is working properly, and allow one to enter runlevel 1 and
> return to runlevel 2.  At the moment a reboot is needed after
> switching to runlevel 1 to be sure to recover the machine state.
> But udev should probably keep running also in runlevel 1, so such
> mechanism is probably smart to implement anyway.
> Happy hacking,
> -- 
> Petter Reinholdtsen

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