Proposed release goal for Squeeze: Switch to dependency based boot sequencing

Michael Biebl biebl at debian.org
Fri Apr 17 16:59:54 UTC 2009


Petter Reinholdtsen schrieb:
> For Lenny, the release team requested email proposing release goals
> sent to the debian-release mailing list, and I assume the same is true
> for Squeeze. I would like to propose a release goal for Squeeze, based
> on the Lenny release goal named "Prepare init.d-Scripts for
> dependency-based init systems".  See
> <URL:http://lists.debian.org/debian-release/2007/06/msg00164.html> for
> that proposal.  That goal was met, and I believe it is time to take
> the next step and enable dependency based boot sequencing by default.
> 
> Dependency based boot sequencing can be enabled in Lenny today by
> running this command as root:
> 
>   aptitude install insserv && dpkg-reconfigure insserv
> 
> Status and other relevant links regarding this release goal is
> available from
> <URL: http://wiki.debian.org/LSBInitScripts/DependencyBasedBoot >.
> 
> Ordering the boot sequence based on complete dependency information
> get rid of a few problems with incorrect ordering, make it easier to
> handle changes in dependencies for init.d scripts, make it possible to
> detect dependency loops and finally make it possible to execute the
> boot scripts concurrently for faster boot.  The main advantage is that
> it allow us to get a correct boot sequence, and to verify that it stay
> correct. :)
> 
> If you want to discuss this release goal, please join us on
> #pkg-sysvinit on irc.debian.org and the
> <URL: http://lists.alioth.debian.org/mailman/listinfo/initscripts-ng-devel >
> mailing list.

I think, one missing piece is a proper interface for updating init
script priorities (if the depencies or the list of runlevel changes) in
a policy compliant way.
Atm there is none, causing major headaches.
There was a proposal by Kel some time ago and this should be sorted out
/ finalized first before we can make initserv mandatory.

Cheers,
Michael

-- 
Why is it that all of the instruments seeking intelligent life in the
universe are pointed away from Earth?

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