Package: udev-udeb
Version: 215-5+b1
Severity: important
User: debian-...@lists.debian.org
Usertags: debian-edu
I ran into this problem when installing a Debian Edu Jessie workstation
using PXE on a Lenovo Thinkpad X200. The problem at the end is that
users can not log into the workstation because the network interface is
not properly configured. This is caused by the network card to show up
as eth1 instead of eth0. Only eth0 is configured in
/etc/network/interfaces.
This in turn is caused by /etc/udev/rules.d/70-presisten-net.rules
listing the network card twice, once with eth0 and once with eth1. The
file look like this:
# This file was automatically generated by the /lib/udev/write_net_rules
# program, run by the persistent-net-generator.rules rules file.
#
# You can modify it, as long as you keep each rule on a single
# line, and change only the value of the NAME= key.
# PCI device 0x8086:0x10f5 (e1000e)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*",
ATTR{address}=="00:1f:16:0b:47:4d", ATTR{dev_id}=="0x0", ATTR{type}=="1",
KERNEL=="eth*", NAME="eth0"
# PCI device 0x8086:0x10f5 (e1000e)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*",
ATTR{address}=="00:1f:16:0b:47:4d", ATTR{dev_id}=="0x0", ATTR{type}=="1",
KERNEL=="eth*", NAME="eth1"
As this have not happend to me every time, I have tried to figure out
what is special about this setup, but do not know the udev stuff enough
to have a clue. I do notice this part in the log, which seem to be
related:
Oct 16 10:51:35 main-menu[186]: INFO: Menu item 'ethdetect' selected
Oct 16 10:51:35 kernel: [ 2.532038] usb 2-2: new full-speed USB device
number 3 using uhci_hcd
Oct 16 10:51:35 net/hw-detect.hotplug: Detected hotpluggable network interface
lo
Oct 16 10:51:35 net/hw-detect.hotplug: Detected hotpluggable network interface
eth1
Oct 16 10:51:35 kernel: [ 2.620227] systemd-udevd[51]: renamed network
interface eth0 to eth1
Oct 16 10:51:35 kernel: [ 2.636070] Switched to clocksource tsc
Oct 16 10:51:35 kernel: [ 2.707037] usb 2-2: New USB device found,
idVendor=0a5c, idProduct=2145
Oct 16 10:51:35 kernel: [ 2.707039] usb 2-2: New USB device strings: Mfr=1,
Product=2, SerialNumber=0
Oct 16 10:51:35 kernel: [ 2.707042] usb 2-2: Product: ThinkPad Bluetooth
with Enhanced Data Rate II
Oct 16 10:51:35 kernel: [ 2.707043] usb 2-2: Manufacturer: Lenovo Computer
Corp
Oct 16 10:51:35 hw-detect: Detected module 'usb-storage' for 'USB storage'
Notice how eth0 was renamed to eth1 by udev while hw-detect version
1.104 was running. Any clue what is going wrong here?
--
Happy hacking
Petter Reinholdtsen
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