** Description changed:
Binary package hint: udev
My wifi interface is currently called "wlan0_rename", which indicates
that the interface renaming was only half-done.
This box was installed with gutsy, and upgraded to hardy every couple of
days.
-------------- snip ---------------
$ cat /etc/udev/rules.d/70-persistent-net.rules
# This file was automatically generated by the /lib/udev/write_net_rules
# program, probably run by the persistent-net-generator.rules rules file.
#
# You can modify it, as long as you keep each rule on a single line.
# PCI device 0x14e4:0x1600 (tg3)
SUBSYSTEM=="net", DRIVERS=="?*", ATTRS{address}=="00:1c:23:14:1c:2a",
NAME="eth0"
# PCI device 0x8086:0x4222 (ipw3945)
SUBSYSTEM=="net", DRIVERS=="?*", ATTRS{address}=="00:1b:77:d2:7f:26",
NAME="eth1"
# PCI device 0x8086:0x4222 (ipw3945)
SUBSYSTEM=="net", DRIVERS=="?*", ATTRS{address}=="00:11:24:a9:0c:60",
NAME="eth2"
-------------- snip ---------------
$ dmesg |grep renamed
[ 36.268975] udev: renamed network interface wmaster0 to eth1
indeed I do have eth1 as well:
eth1 Link encap:UNSPEC Hardware Adresse
00-1B-77-D2-7F-26-00-00-00-00-00-00-00-00-00-00
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
Kollisionen:0 Sendewarteschlangenlänge:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
but it's pretty useless.
+
+ SYMPTOMS:
+ This often shows up as an inability to use any wireless networks after
suspending/hibernating and resuming. "iwlist config" will show an interface
named "wlan0_rename" or similar.
+
+ WORKAROUND:
+ 1. sudo rm /etc/udev/rules.d/70-persistent-net.rules
+ 2. Reboot
+ /etc/udev/rules.d/70-persistent-net.rules should have been regenerated
correctly.
+
+ Note that this probably will change the names of your network
+ interfaces, particularly your wireless ones. If you rely on them having
+ particular identifiers (eth0, eth1, wlan0 etc) for the purposes of
+ custom scripts, firewall rules or anything similar, you may need to
+ update these settings after the file is regenerated.
+
+ FIX:
+ The intended fix for this bug is described at
https://bugs.launchpad.net/ubuntu/+source/udev/+bug/183968/comments/9. It will
eliminate the need for the workaround, but possibly only for new upgrades from
Gutsy.
--
mac80211 "master" interface matches existant persistent network rules
https://bugs.launchpad.net/bugs/183968
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