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List:       debian-user
Subject:    Re: [ *** ] Job anacron.service/stop running (15min 49s / no limit)
From:       David Wright <deblis () lionunicorn ! co ! uk>
Date:       2024-03-04 1:50:55
Message-ID: ZeUo/2VF26u0ZX49 () axis ! corp
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On Sun 03 Mar 2024 at 13:27:50 (+0100), Eduard Bloch wrote:
> * David Wright [Sun, Feb 11 2024, 10:20:16PM]:
> > On Sun 11 Feb 2024 at 20:41:51 (+0000), Darac Marjal wrote:
> > > On 11/02/2024 11:21, Rainer Dorsch wrote:
> >
> > > > - How do I set a timeout/limit for anacron, that it cannot block forever
> > > > during a reboot?
> > >
> > > It may be germane to point out that anacron.service already explicitly
> > > sets "TimeoutStopSec=Infinity". So, in the opinion of the developers,
> > > the service shouldn't be prematurely killed. Of course you, as the
> > > system administrator, always have the right to countermand that sort
> > > of decision, but it would be curious to find out why the developers
> > > thought they needed to override the systemd default in the first
> > > place?
> >
> > Bug #915379 explains all: long-running cron jobs, like backups, can
> > get killed, and there was also an issue with exim.
> 
> Yes, and?

If you don't like it, then

  # systemctl edit --full anacron.service

and remove or decrease the timeout, which means (for removal)
you'll be reverting to how things are in bullseye.

> The opposite is: you have some stupid (and UNKNOWN) task which
> hangs forever because of some programming bug. And then your whole system
> locks up, unable to reboot, and no way to recover it because the reboot
> is stuck because of this. I am observing this on my old hacking laptop
> right now, the system took many minutes (5? 7?) to continue, but even
> that was pure luck.

I would probably have force-powered-down by then.

> Sorry, no, that cannot be the proper way. I am reopening 915379 now, the
> maintainer should maybe come up with some sane solution.

#915379 has been archived, which AIUI means you need to open a new one.

Cheers,
David.

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