[avahi] Avahi doesn't work in Ubuntu Edgy

[Alessandro Morgantini]

Il giorno ven, 30/03/2007 alle 17.21 +0200, Alessandro Morgantini ha
scritto:
> Hi! I'm new in this mailing list.
> I have a problem with my avahi installation.
> My system is an Ubuntu Edgy (6.10) with last updates and avahi-daemon is
> up and running, but I'm not able to see any service using avahi-browse
> or avahi-discover commands. I obtain no output at all, in reality.
> 
> I tried to launch avahi-daemon with the "--debug" option from a
> terminal. Confronting the output with the one from an other PC where
> avahi is working (Ubuntu Dapper), I saw that my PC doesn't enumerate any
> network interface:
> 
> My pc:
> 
> gpz500 at aspire:~$ sudo avahi-daemon --debug
> Found user 'avahi' (UID 104) and group 'avahi' (GID 108).
> Successfully dropped root privileges.
> chroot.c: chroot() helper started
> avahi-daemon 0.6.13 starting up.
> Successfully called chroot().
> Successfully dropped remaining capabilities.
> chroot.c: chroot() helper got command 02
> No service found in /etc/avahi/services.
> Network interface enumeration completed.
> Registering HINFO record with values 'I686'/'LINUX'.
> Server startup complete. Host name is aspire.local. Local service cookie
> is 4209183556.
> 
> The working pc:
> 
> elexa at it07pc202:~$ sudo avahi-daemon --debug
> Found user 'avahi' (UID 125) and group 'avahi' (GID 125).
> Successfully dropped root privileges.
> chroot.c: chroot() helper started
> avahi-daemon 0.6.10 starting up.
> Successfully called chroot().
> Successfully dropped remaining capabilities.
> chroot.c: chroot() helper got command 02
> No service found in /etc/avahi/services.
> New relevant interface eth0.IPv4 for mDNS.
> Joining mDNS multicast group on interface eth0.IPv4 with address
> 192.168.54.1.
> Network interface enumeration completed.
> Registering new address record for 192.168.54.1 on eth0.
> Registering HINFO record with values 'I686'/'LINUX'.
> Server startup complete. Host name is it07pc202.local. Local service
> cookie is 1420237477.
> 
> In my PC I use only wifi networking (wlan0 interface), whereas eth0 is
> present but not initialized.
> 
> There's a way I can try to solve my problem?
> Thanks a lot, Alessandro

I solved inserting the line

pre-up ip link set multicast on dev wlan0

on my /etc/network/interfaces wlan0 stanza (thanks to #avahi channel
folks on irc freenode network).

Bye bye