** 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.
+ This often shows up as an inability to use any wireless networks after
suspending/hibernating and resuming. "ifconfig" 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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