Your message dated Mon, 29 Sep 2025 18:19:22 +0200
with message-id <[email protected]>
and subject line Re: udev: multiple mac80211 interfaces created on the same
physical device are incorrectly renamed
has caused the Debian Bug report #499868,
regarding udev: multiple mac80211 interfaces created on the same physical
device are incorrectly renamed
to be marked as done.
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If this is not the case it is now your responsibility to reopen the
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--
499868: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=499868
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: udev
Version: 0.125-6
Severity: normal
mac80211 drivers allow multiple interfaces to be created on the same physical
device, so the underlying wmaster0 device can have eth0, eth1 and eth2. When
the driver is first loaded, a udev rule like this is written:
# PCI device 0x14e4:0x4318 (b43)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*",
ATTR{address}=="xx:xx:xx:xx:xx:xx", ATTR{type}=="1", KERNEL=="wlan*",
NAME="eth0"
(originally 'NAME="wlan0"', I changed it to eth0)
When I subsequently add an interface with
iw dev wmaster0 interface add eth1 type station
a udev rule like this is added:
# PCI device 0x14e4:0x4318 (b43)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*",
ATTR{address}=="xx:xx:xx:xx:xx:xx", ATTR{type}=="1", KERNEL=="eth**",
NAME="eth1"
Then, if I add another interface with
iw dev wmaster0 interface add eth2 type station
it gets caught by the existing rule and I get the infamous 'eth2_rename'
instead of 'eth2'.
I have seen this behavior with both b43 and ath5k. Perhaps creating multiple
ethX interfaces is a corner case, but the documentation should at least warn
about it.
-- Package-specific info:
-- /etc/udev/rules.d/:
/etc/udev/rules.d/:
total 133
-rw-r--r-- 1 root root 1547 2008-07-16 18:38 024_hpmud.rules
lrwxrwxrwx 1 root root 19 2007-04-19 15:03 025_libgphoto2.rules ->
../libgphoto2.rules
-rw-r--r-- 1 root root 115 2008-07-16 18:38 45-hplip.rules
-rw-r--r-- 1 root root 210 2007-11-22 03:03 45-hplip.rules.dpkg-old
-rw-r--r-- 1 root root 3586 2008-08-06 19:48 50-udev.rules
-rw-r--r-- 1 root root 115 2008-07-16 18:38 55-hpmud.rules
-rw-r--r-- 1 root root 1543 2008-07-07 07:04 60-persistent-input.rules
-rw-r--r-- 1 root root 4554 2008-08-04 06:33 60-persistent-storage.rules
-rw-r--r-- 1 root root 1582 2008-07-11 09:40 60-persistent-storage-tape.rules
-rw-r--r-- 1 root root 523 2008-07-07 07:04 60-persistent-v4l.rules
-rw-r--r-- 1 root root 1083 2008-07-17 05:53 65_dmsetup.rules
-rw-r--r-- 1 root root 603 2007-02-04 12:37 70-persistent-cd.rules
-rw-r--r-- 1 root root 884 2008-09-23 01:26 70-persistent-net.rules
-rw-r--r-- 1 root root 452 2008-07-07 07:04 75-cd-aliases-generator.rules
-rw-r--r-- 1 root root 3081 2008-09-23 01:16 75-persistent-net-generator.rules
-rw-r--r-- 1 root root 2282 2008-07-20 13:08 80-drivers.rules
lrwxrwxrwx 1 root root 15 2007-02-04 12:42 85-pcmcia.rules -> ../pcmcia.rules
-rw-r--r-- 1 root root 82 2008-08-17 14:15 90-hal.rules
-rw-r--r-- 1 root root 4247 2008-07-20 13:08 91-permissions.rules
-rw-r--r-- 1 root root 593 2008-07-29 19:07 95-late.rules
-rwxr-xr-x 1 root root 221 2008-09-19 15:50 regulatory.rules
lrwxrwxrwx 1 root root 19 2007-02-09 13:59 z60_alsa-utils.rules ->
../alsa-utils.rules
lrwxrwxrwx 1 root root 15 2007-02-04 12:54 z60_hdparm.rules ->
../hdparm.rules
-rw-r--r-- 1 root root 1914 2008-02-08 10:08 z60_libccid.rules
-rw-r--r-- 1 root root 2656 2008-01-03 03:15 z60_libpisock9.rules
-rw-r--r-- 1 root root 14883 2008-03-01 10:19 z60_libsane-extras.rules
-rw-r--r-- 1 root root 72908 2008-09-10 10:49 z60_libsane.rules
-- /sys/:
/sys/block/hda/dev
/sys/block/hda/hda1/dev
/sys/block/hda/hda2/dev
/sys/block/hda/hda3/dev
/sys/block/hda/hda4/dev
/sys/block/hda/hda5/dev
/sys/block/hda/hda6/dev
/sys/block/hda/hda7/dev
/sys/block/hda/hda8/dev
/sys/block/hda/hda9/dev
/sys/block/hdb/dev
/sys/block/loop0/dev
/sys/block/loop1/dev
/sys/block/loop2/dev
/sys/block/loop3/dev
/sys/block/loop4/dev
/sys/block/loop5/dev
/sys/block/loop6/dev
/sys/block/loop7/dev
/sys/block/ram0/dev
/sys/block/ram10/dev
/sys/block/ram11/dev
/sys/block/ram12/dev
/sys/block/ram13/dev
/sys/block/ram14/dev
/sys/block/ram15/dev
/sys/block/ram1/dev
/sys/block/ram2/dev
/sys/block/ram3/dev
/sys/block/ram4/dev
/sys/block/ram5/dev
/sys/block/ram6/dev
/sys/block/ram7/dev
/sys/block/ram8/dev
/sys/block/ram9/dev
/sys/class/drm/card0/dev
/sys/class/input/input0/event0/dev
/sys/class/input/input13/event10/dev
/sys/class/input/input1/event1/dev
/sys/class/input/input2/event2/dev
/sys/class/input/input3/event3/dev
/sys/class/input/input4/event4/dev
/sys/class/input/input5/event5/dev
/sys/class/input/input5/mouse0/dev
/sys/class/input/input6/event6/dev
/sys/class/input/input7/event7/dev
/sys/class/input/input8/event8/dev
/sys/class/input/input9/event9/dev
/sys/class/input/input9/mouse1/dev
/sys/class/input/mice/dev
/sys/class/misc/agpgart/dev
/sys/class/misc/cpu_dma_latency/dev
/sys/class/misc/device-mapper/dev
/sys/class/misc/hpet/dev
/sys/class/misc/hw_random/dev
/sys/class/misc/network_latency/dev
/sys/class/misc/network_throughput/dev
/sys/class/misc/psaux/dev
/sys/class/misc/snapshot/dev
/sys/class/rtc/rtc0/dev
/sys/class/sound/audio/dev
/sys/class/sound/controlC0/dev
/sys/class/sound/dsp/dev
/sys/class/sound/mixer/dev
/sys/class/sound/pcmC0D0c/dev
/sys/class/sound/pcmC0D0p/dev
/sys/class/sound/pcmC0D4c/dev
/sys/class/sound/seq/dev
/sys/class/sound/sequencer2/dev
/sys/class/sound/sequencer/dev
/sys/class/sound/timer/dev
/sys/class/usb_endpoint/usbdev1.1_ep00/dev
/sys/class/usb_endpoint/usbdev1.1_ep81/dev
/sys/class/usb_endpoint/usbdev2.1_ep00/dev
/sys/class/usb_endpoint/usbdev2.1_ep81/dev
/sys/class/usb_endpoint/usbdev2.3_ep00/dev
/sys/class/usb_endpoint/usbdev2.3_ep81/dev
/sys/class/usb_endpoint/usbdev2.4_ep00/dev
/sys/class/usb_endpoint/usbdev2.4_ep81/dev
/sys/class/usb_endpoint/usbdev2.4_ep82/dev
/sys/class/usb_endpoint/usbdev3.1_ep00/dev
/sys/class/usb_endpoint/usbdev3.1_ep81/dev
/sys/class/usb_endpoint/usbdev3.2_ep00/dev
/sys/class/usb_endpoint/usbdev3.2_ep81/dev
/sys/class/usb_endpoint/usbdev4.1_ep00/dev
/sys/class/usb_endpoint/usbdev4.1_ep81/dev
/sys/class/usb_endpoint/usbdev5.1_ep00/dev
/sys/class/usb_endpoint/usbdev5.1_ep81/dev
/sys/dev
/sys/devices/pci0000:00/0000:00:1d.0/usb1/dev
/sys/devices/pci0000:00/0000:00:1d.1/usb2/2-1/2-1.1/dev
/sys/devices/pci0000:00/0000:00:1d.1/usb2/2-1/dev
/sys/devices/pci0000:00/0000:00:1d.1/usb2/dev
/sys/devices/pci0000:00/0000:00:1d.2/usb3/3-1/dev
/sys/devices/pci0000:00/0000:00:1d.2/usb3/dev
/sys/devices/pci0000:00/0000:00:1d.3/usb4/dev
/sys/devices/pci0000:00/0000:00:1d.7/usb5/dev
-- Kernel configuration:
isapnp_init not present.
-- System Information:
Debian Release: lenny/sid
APT prefers unstable
APT policy: (500, 'unstable')
Architecture: i386 (i686)
Kernel: Linux 2.6.27-rc6-wl-lizzie
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
Versions of packages udev depends on:
ii debconf [debconf-2.0] 1.5.23 Debian configuration management sy
ii libc6 2.7-13 GNU C Library: Shared libraries
ii libselinux1 2.0.65-5 SELinux shared libraries
ii libvolume-id0 0.125-6 libvolume_id shared library
ii lsb-base 3.2-20 Linux Standard Base 3.2 init scrip
udev recommends no packages.
udev suggests no packages.
-- debconf information:
udev/new_kernel_needed: false
udev/reboot_needed:
--- End Message ---
--- Begin Message ---
Version: 4.7-0.1
It looks like this was fixed in upstream version 4.0 by:
commit ced5522d199b7b1b5b10cf94b276b74314ca8da3
Author: Ben Greear <[email protected]>
Date: Fri Oct 24 08:35:42 2014 -0700
iw: support setting vif MAC during creation
This saves an extra call to change it later, and will
also keep udev from potentially messing with a vif
it should not be messing with.
Ben.
--
Ben Hutchings
Horngren's Observation:
Among economists, the real world is often a special case.
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--- End Message ---
