MESSAGE
| DATE | 2021-09-01 |
| FROM | epektasis
|
| SUBJECT | Re: [Hangout - NYLXS] [artix-general] New udev creates eth0,
|
From hangout-bounces-at-nylxs.com Fri Sep 10 18:31:40 2021
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Date: Wed, 1 Sep 2021 17:01:49 -0500
From: epektasis
To: Colin S
Cc: artix-general-at-artixlinux.org
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Subject: Re: [Hangout - NYLXS] [artix-general] New udev creates eth0,
ignores conf.d/net
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On Wed, Sep 01, 2021 at 10:44:15PM +0100, Colin S wrote:
> I encountered exactly the same problem as Epektasis as a result of this
> recent upgrade to udev.
> =
> This new version no longer has the following rule as part of its default
> ruleset in /usr/lib/udev/rules.d
> =
> =
> $ cat 80-net-name-slot.rules
> # do not edit this file, it will be overwritten on update
> =
> ACTION!=3D"add", GOTO=3D"net_name_slot_end"
> SUBSYSTEM!=3D"net", GOTO=3D"net_name_slot_end"
> NAME!=3D"", GOTO=3D"net_name_slot_end"
> =
> IMPORT{cmdline}=3D"net.ifnames"
> ENV{net.ifnames}=3D=3D"0", GOTO=3D"net_name_slot_end"
> =
> NAME=3D=3D"", ENV{ID_NET_NAME_ONBOARD}!=3D"", NAME=3D"$env{ID_NET_NAME_ON=
BOARD}"
> NAME=3D=3D"", ENV{ID_NET_NAME_SLOT}!=3D"", NAME=3D"$env{ID_NET_NAME_SLOT}"
> NAME=3D=3D"", ENV{ID_NET_NAME_PATH}!=3D"", NAME=3D"$env{ID_NET_NAME_PATH}"
> =
> LABEL=3D"net_name_slot_end"
> =
> =
> Adding this rule back to /etc/udev/rules.d restores the previous behaviou=
r.
> =
> However I speculate that the Artix package maintainer may have removed it
> because the persistent interface naming scheme that it implemented is a
> construct devised (and imposed) by the systemd developers rather than the
> default kernel behaviour. The whole point of Artix is after all to expunge
> such idiosyncrasies.
> =
> So I concluded that it was probably better/simpler just to accept the cha=
nge
> and go back to having eth0 and wlan0, which is actually entirely sufficie=
nt
> for most normal use.
> =
> Colin
> =
> =
> =
> On 01/09/2021 22:15, Javier wrote:
> > On 9/1/21 14:34, epektasis wrote:
> > > Greetings.=A0 Since the surprise "upgrade" to udev (now 249.4-1), the
> > > ethernet
> > > interface is now named eth0 and an error is displayed at boot-up:
> > > interface
> > > enp1s0 does not exist and net.enp1s0 failed to start.=A0 But eth0
> > > starts and
> > > runs fine, even though conf.d/net specifices config_enp1s0=3D"dhcp"
> > > and there
> > > are no active references to eth0 in that file.=A0 I added net.ifnames=
=3D1 and
> > > biosdevname=3D1 to GRUB_CMDLINE_LINUX in /etc/default/grub, ran
> > > grub-mkconfig
> > > and rebooted, but the same error recurs.=A0 Perhaps there is some
> > > other file
> > > accessed instead of /etc/conf.d/net that udev uses?=A0 If anyone can
> > > point me to
> > > that file or its documentation, I will be grateful.
> > > =A0=A0=A0=A0e.
> > =
> > What I've been using for my choice of persistent NIC names is udev rules
> > [1], for quite a while, which kept working fine:
> > =
> > % cat /etc/udev/rules.d/80-net-setup-link-persistent.rules
> > SUBSYSTEM=3D=3D"net", ACTION=3D=3D"add", ATTR{address}=3D=3D"_mac_addr>",
> > NAME=3D""
> > SUBSYSTEM=3D=3D"net", ACTION=3D=3D"add",
> > ATTR{address}=3D=3D"", NAME=3D"e>"
> > =
> > That makes the NIC interfaces names more or less independent and
> > persistent...=A0 BTW, I didn't notice any errors while booting, after t=
he
> > change...=A0 Perhaps the error is HW dependent, :(=A0 On dmesg one can
> > notice how the NICs get renamed, if at all.
> > =
> > If you're using specific NIC names for daemons, like dhcpcd or network
> > manager, perhaps you should consider using persistent custom names?
> > =
> > =
> -- =
> artix-general mailing list
> artix-general-at-artixlinux.org
> https://lists.artixlinux.org/listinfo/artix-general
Both of your responses are very informative and helpful. Thanks to you bot=
h!
e.
-- =
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