GNU bug report logs - #30464
[PATCH 0/2] Add console-agetty-service.

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From: ludo <at> gnu.org (Ludovic Courtès)
To: Danny Milosavljevic <dannym <at> scratchpost.org>
Cc: 30464 <at> debbugs.gnu.org
Subject: [bug#30464] [PATCH 1/2] services: Add console-agetty-service.
Date: Thu, 15 Feb 2018 16:47:54 +0100

Heya,

Danny Milosavljevic <dannym <at> scratchpost.org> skribis:

> On Thu, 15 Feb 2018 15:40:14 +0100
> ludo <at> gnu.org (Ludovic Courtès) wrote:
>
>> Could you explain the rationale?
>> 
>> The only difference is that this shepherd service depends on ‘syslogd’
>> whereas the current agetty service doesn’t, right?
>
> Yes, it's my inner OCD.
>
> Right now, the agetty is started while the Linux kernel is still booting and
> printing stuff to the console.  So you have two parties printing stuff
> to the same console simultaneously.  That looks ... not nice.

Right.

> What this would do is the getty would only be started (and printing stuff)
> after syslogd.  The first thing syslogd does is it disables the Linux direct
> console printing.

OK, got it.

(Which has me thinking that longer term it’d be nice to have the
Shepherd take care of syslogd-ish activity.)

> It doesn't make sense to have agetty itself depend on syslogd because
> agetty can be (and usually is) used for modems etc which have nothing
> to do with the local console.

Alright.

How about adding a ‘dependencies’ field to <agetty-configuration>?  It’d
default to the empty list, and could be set to '(syslogd) in this case.

Does that sound too obscure to you, or would it be OK?

Thanks,
Ludo’.

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