[Pkg-utopia-maintainers] Bug#771806: avahi-daemon has a name conflict with itself: endless loop

Tue Dec 2 15:31:15 UTC 2014

Package: avahi-daemon
Version: 0.6.31-4+b1
Severity: important

Endless loop:
Dez 02 16:22:22 iron avahi-daemon[15215]: Withdrawing address record for 2001:780:0:e:107:3:: on br0.
Dez 02 16:22:22 iron avahi-daemon[15215]: Withdrawing address record for 213.95.21.98 on br0.
Dez 02 16:22:22 iron avahi-daemon[15215]: Withdrawing address record for 10.6.0.6 on br579.
Dez 02 16:22:22 iron avahi-daemon[15215]: Withdrawing address record for fe80::2e0:81ff:fe40:148b on br443.
Dez 02 16:22:22 iron avahi-daemon[15215]: Withdrawing address record for 10.107.8.3 on br443.
Dez 02 16:22:22 iron avahi-daemon[15215]: Host name conflict, retrying with iron-9
Dez 02 16:22:22 iron avahi-daemon[15215]: Registering new address record for 2001:780:0:e:107:3:: on br0.*.
Dez 02 16:22:22 iron avahi-daemon[15215]: Registering new address record for 213.95.21.98 on br0.IPv4.
Dez 02 16:22:22 iron avahi-daemon[15215]: Registering new address record for fec0:6b6f:480f:e30a::3 on br579.*.
Dez 02 16:22:22 iron avahi-daemon[15215]: Registering new address record for 10.6.0.6 on br579.IPv4.
Dez 02 16:22:22 iron avahi-daemon[15215]: Registering new address record for fe80::2e0:81ff:fe40:148b on br443.*.
Dez 02 16:22:22 iron avahi-daemon[15215]: Registering new address record for 10.107.8.3 on br443.IPv4.
Dez 02 16:22:22 iron avahi-daemon[15215]: Registering HINFO record with values 'X86_64'/'LINUX'.
(repeats every second, incrementing iron-*)

It'd be very helpful if that message would print the interface, IP and MAC
of whatever message triggered the conflict.

iron:/run/backup # ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default 
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST> mtu 1500 qdisc mq state DOWN group default qlen 1000
    link/ether 00:e0:81:40:14:8a brd ff:ff:ff:ff:ff:ff
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
    link/ether 00:e0:81:40:14:8b brd ff:ff:ff:ff:ff:ff
6: eth1.5 at eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br0 state UP group default 
    link/ether 00:e0:81:40:14:8b brd ff:ff:ff:ff:ff:ff
11: br443: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default 
    link/ether 00:e0:81:40:14:8b brd ff:ff:ff:ff:ff:ff
    inet 10.107.8.3/24 brd 10.107.8.255 scope global br443
       valid_lft forever preferred_lft forever
    inet6 fe80::2e0:81ff:fe40:148b/64 scope link 
       valid_lft forever preferred_lft forever
30: eth1.579 at eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br579 state UP group default 
    link/ether 00:e0:81:40:14:8b brd ff:ff:ff:ff:ff:ff
31: eth1.443 at eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br443 state UP group default 
    link/ether 00:e0:81:40:14:8b brd ff:ff:ff:ff:ff:ff
32: br579: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default 
    link/ether 00:e0:81:40:14:8b brd ff:ff:ff:ff:ff:ff
    inet 10.6.0.6/24 brd 10.6.0.255 scope global br579
       valid_lft forever preferred_lft forever
    inet6 fec0:6b6f:480f:e30a::3/64 scope site tentative dadfailed 
       valid_lft forever preferred_lft forever
    inet6 fe80::2e0:81ff:fe40:148b/64 scope link 
       valid_lft forever preferred_lft forever
33: br0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default 
    link/ether 00:e0:81:40:14:8b brd ff:ff:ff:ff:ff:ff
    inet 213.95.21.98/24 brd 213.95.21.255 scope global br0
       valid_lft forever preferred_lft forever
    inet6 2001:780:0:e:107:3::/64 scope global 
       valid_lft forever preferred_lft forever
    inet6 fe80::5c85:abff:fe60:504e/64 scope link 
       valid_lft forever preferred_lft forever
39: vb-map: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master br0 state UP group default qlen 1000
    link/ether f2:af:d7:07:1d:30 brd ff:ff:ff:ff:ff:ff

iron:/run/backup # brctl show
bridge name     bridge id               STP enabled     interfaces
br0             8000.00e08140148b       no              eth1.5
                                                        vb-map
br443           8000.00e08140148b       no              eth1.443
br579           8000.00e08140148b       no              eth1.579

This is a production machine, so I can't reduce this further.
The vhost behind the vb-map interface does not run avahi.

-- System Information:
Debian Release: jessie/sid
  APT prefers testing
  APT policy: (700, 'testing'), (650, 'stable'), (600, 'unstable'), (550, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 3.17-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages avahi-daemon depends on:
ii  adduser              3.113+nmu3
ii  bind9-host [host]    1:9.9.5.dfsg-5
ii  dbus                 1.8.8-2
ii  init-system-helpers  1.21
ii  libavahi-common3     0.6.31-4+b1
ii  libavahi-core7       0.6.31-4+b1
ii  libc6                2.19-12
ii  libcap2              1:2.24-6
ii  libdaemon0           0.14-6
ii  libdbus-1-3          1.8.8-2
ii  libexpat1            2.1.0-6+b1
ii  lsb-base             4.1+Debian13+nmu1

Versions of packages avahi-daemon recommends:
ii  libnss-mdns  0.10-6

Versions of packages avahi-daemon suggests:
pn  avahi-autoipd  <none>

-- no debconf information