[radvd-devel-l] radvd stuck on linux 2.6.31+

Steven J Newbury steve at snewbury.org.uk
Mon Sep 28 08:21:53 EDT 2009

On Mon, 2009-09-28 at 15:01 +0300, Pekka Savola wrote:
> There are a couple of odd messages here:
> On Mon, 28 Sep 2009, Steven J Newbury wrote:
> > eater ~ # radvd -C /etc/radvd.conf -u radvd -d 5 -m stderr
> > [Sep 28 12:23:04] radvd: version 1.5 started
> > [Sep 28 12:23:04] radvd: interface wlan0 did not exist, ignoring the interface
> ...
> > [Sep 28 12:23:04] radvd: no linklocal address configured for wlan0
> > [Sep 28 12:23:04] radvd: interface definition for wlan0 is ok
> ...
> > [Sep 28 12:23:04] radvd: interface eth0 did not exist, ignoring the interface
> First, it's complaining that wlan0 does not exist.  What does it look 
> like with '/sbin/ifconfig wlan0'?  The flags should should be UP, 
> BROADCAST, RUNNING, MULTICAST unless something changed, and a 
> link-local address should exist.  One speculation wrt changing is that 
> the ioctl interface and RUNNING flag definition could have changed, 
> causing userspace-kernel mismatch.
> I'm also wondering why it's reporting about other interfaces here.  Do 
> you also have them configured on radvd.conf and omitted this for 
> brevity or is radvd picking them up from somewhere else?
wlan1 is my link to the Internet facing router, for the purposes of
trying to fix this, wlan0 is not currently in use, neither is eth0 nor
the tun0 device.  I have them configured "IgnoreIfMissing" in

I've now removed all other devices from the config and switched back to
my old kernel.  Strangely I'm seeing very few RA broadcasts on my client
machine, and my kernel hasn't picked up the advertised network
configuration.  I'm somewhat at a loss now.  I'm going to try updating
the kernel on the client, but this was all working fine just yesterday!

More to come no doubt...
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