Package: wireless-tools
Version: 27+28pre10-1
/etc/network/if-pre-up.d/wireless-tools doesn't check if $IFACE == lo
At startup, ifup is called as "ifup -a" from /etc/init.d/networks and
therefore, if the systems is set with "auto lo", it will subsequently call
wireless-tools script for the loopback interface too.
Obviously, the loopback interface doe snot have essid, rate, mode, etc
properties so it will fail and annoy with messages on every property that the
script tries to set to it.
To avoid this, just add at the beginning of the file (right after #! /bin/sh):
if [ x"$IFACE" = xlo ]; then
exit 0
fi
This way the script will ignore when called to set loopback interface
properties.
Almost all systems have a loopback interface set to auto ("auto lo" in
/etc/network/interfaces), so this bug is reproducible almost everywhere.
NOTE: This happens at startup only, not later, since restarting the networks
script will call ifup with --exclude=lo and therefore will not call the
wireles-tools script for the lo interface. To check the error messages, see
/var/log/boot. They are like this:
Wed Nov 16 12:21:23 2005: Configuring network interfaces...Error for wireless
request "Set ESSID" (8B1A) :
Wed Nov 16 12:21:24 2005: SET failed on device lo ; Operation not supported.
Greets.
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