Your message dated Mon, 21 Dec 2020 17:47:16 +0100
with message-id <[email protected]>
and subject line Re: RE: udev 240 breaks network interface naming
has caused the Debian Bug report #917128,
regarding udev 240 breaks network interface naming
to be marked as done.
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--
917128: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=917128
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: udev
Version: 240-1
Severity: important
After upgrading from 239-15 to 240-1 or higher my network setup breaks.
The breakage is similar to the last one I reported (bug #904198) though
different in detail.
This times all my vlan-devices on a physical device netint are first renamed to
renameX and than udev tries to rename them again but this time it tries to give
them all the name netint - which of course fails.
A setup like the following one should be able to reproduce this problem:
10-netint.link:
[Match]
MACAddress=00:01:2e:77:a5:45
[Link]
Name=netint
WakeOnLan=off
netint.network:
[Match]
Name=netint
[Network]
VLAN=kbs
LinkLocalAddressing=no
DHCP=no
kbs.link
[NetDev]
Name=kbs
Kind=vlan
[VLAN]
Id=10
In the journal you should see something like
kernel: rename31: renamed from kbs
....
systemd-networkd[852]: kbs: Interface name change detected, kbs has been
renamed to rename31
....
[347]: kbs: Failed to rename network interface 31 from 'kbs' to 'netint':
Device or resource busy
....
Downgrading udev to 239-15 fixes it in principle that is this rename does not
happen.
systemd-networkd from 240-1 though crashes with
Assertion 'IN_SET(link->state, LINK_STATE_CONFIGURING,
LINK_STATE_CONFIGURING, LINK_STATE_FAILED, LINK_STATE_LINGER)' failed at
../src/network/network/networkd-link.c:934, function address_handler().
Aborting.
Therefor I also had to downgrade systemd back to 239-15.
Regards,
--
Wolfgang Walter
Studentenwerk München
Anstalt des öffentlichen Rechts
--- End Message ---
--- Begin Message ---
Version: 242-1
We dropped the problematic patch
Revert-udev-network-device-renaming-immediately-give.patch in 242-1
(i.e. in bullseye).
So closing for this version.
Regards,
Michael
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