Devuan bug report logs - #307
Configuring network interfaces during boot takes too much time.(if ethernet cable not connected or no signal)

Package: sysvinit; Reported by: Kostis Leledakis <[email protected]>; Keywords: moreinfo; Done: Arne Wichmann <[email protected]>; Maintainer for sysvinit is Devuan Developers <[email protected]>.

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From: Arne Wichmann <[email protected]>
To: [email protected]
Subject: bug #307 closing - no info for 3 years
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Please reopen this bug if it is still relevant.

cu

AW
--=20
[...] If you don't want to be restricted, don't agree to it. If you are
coerced, comply as much as you must to protect yourself, just don't support
it. Noone can free you but yourself. (crag, on Debian Planet)
Y Plentyn ([email protected])

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Notification sent to Kostis Leledakis <[email protected]>:
bug acknowledged by developer. Full text available.

Reply sent to Arne Wichmann <[email protected]>:
You have taken responsibility. Full text available.

Added tag(s) moreinfo. Request was from Mark Hindley <[email protected]> to [email protected]. Full text available.

Message received at [email protected]:

Date: Tue, 7 Apr 2020 15:35:19 +0100
From: Mark Hindley <[email protected]>
To: [email protected]
Cc: Kostis Leledakis <[email protected]>
Subject: Re: Configuring network interfaces during boot takes too much
 time.(if ethernet cable not connected or no signal)
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Control: tags -1 moreinfo

On Fri, 15 Mar 2019 15:59:32 +0200 Kostis Leledakis <[email protected]> wrote:
> Package: sysvinit
> Version: 2.88dsf-59.9 amd64

Kostis,

Thanks for this and sorry for the slow reply.

I am glad you found a workaround. 

It seems to me this is really a problem with ifupdown, or perhaps eudev.

Which versions of those pacakges do you have?

ifupdown is not a forked package, Devuan uses Debian's packages directly.

There are a number of bug reports on Debian's BTS [1] relating to hangs at
boot. Perhaps you could review them and see if any are directly relevant.

Thanks

Mark

[1]  https://bugs.debian.org/cgi-bin/pkgreport.cgi?src=ifupdown

Information forwarded to [email protected], Devuan Developers <[email protected]>:
bug#307; Package sysvinit. Full text available.

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From: Kostis Leledakis <[email protected]>
Date: Fri, 15 Mar 2019 15:59:32 +0200
Message-ID: <CAE4Op1q+Xd1WSzr_wDsEWHGL9bTAxQjWrB5rf6FtvXhszEP4Ww@mail.gmail.com>
Subject: Configuring network interfaces during boot takes too much time.(if
 ethernet cable not connected or no signal)
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Package: sysvinit
Version: 2.88dsf-59.9 amd64

During installation I have configured your network interfaces just
through ethernet and have no wifi available on my laptop. The bug is
that during every boot the OS is looking to configure my network
interfaces (and this is good but)... If my ethernet cable is unplugged
or if I have no (or bad) signal on my ethernet the boot becomes too
slow (I have to wait more than 10-15 seconds just for the OS to
realize there is not signal on my cable or even that the cable is not
even plugged in).

Sometimes I don't want to use internet, and/or I have not available
cable to plug in during the installation and this non-reasoned delay
is really annoying.

I asked about that problem in unix.stackexchange.com and got a great
answer that fixed the problem from the member @A.B there.

The answer is to configure my /etc/network/interfaces file to be like:

allow-hotplug eth0
iface eth0 inet dhcp
    pre-up ip link set eth0 up && sleep 1
    pre-up [ $(cat /sys/class/net/eth0/carrier) -eq 1 ]
iface eth0 inet6 auto
    pre-up ip link set eth0 up && sleep 1
    pre-up [ $(cat /sys/class/net/eth0/carrier) -eq 1 ]

You can find the answer and the question here:
https://unix.stackexchange.com/a/503306/237337

I am not sure witch package should configure this file during
installation and not even if there is a package that deals with this
configuration file but this seems more relative to me after a question
I made about it before filling this bug.

If this fix is working (and for me it does and seems really clever)
next releases should take care of this case and use a similar aproach
during network configuration on boot.

Thanks.

PS: If this bug have positive feedback from devuan developers, I
suppose that other distros should adapt their final fix and methods.

Acknowledgement sent to Kostis Leledakis <[email protected]>:
New bug report received and forwarded. Copy sent to [email protected]. Full text available.

Report forwarded to [email protected], [email protected]:
bug#307; Package sysvinit. Full text available.

Devuan bug report logs - #307 Configuring network interfaces during boot takes too much time.(if ethernet cable not connected or no signal)

Message received at [email protected]:

Message received at [email protected]:

Message received at [email protected]:

Devuan bug report logs - #307
Configuring network interfaces during boot takes too much time.(if ethernet cable not connected or no signal)