[avahi] Unexpected resolution failures
sebastien.estienne at gmail.com
Fri Aug 25 10:45:06 PDT 2006
On 8/25/06, Lennart Poettering <lennart at poettering.net> wrote:
> On Fri, 25.08.06 10:40, Ludovic Courtès (ludovic.courtes at laas.fr) wrote:
> > Hi,
> > At my office, I often notice that, after `avahi-daemon' has been running
> > for some time, several services suddenly become "unresolvable".
> > Restarting the daemon magically makes them resolvable again.
> > Concretely, here is what I observe:
> > $ avahi-browse -rk _daap._tcp
> > + eth0 IPv4 Juan _daap._tcp local
> > + eth0 IPv4 civodul _daap._tcp local
> > + eth0 IPv4 Marc _daap._tcp local
> > Failed to resolve service 'Juan' of type '_daap._tcp' in domain 'local': Timeout reached
> > Failed to resolve service 'civodul' of type '_daap._tcp' in domain 'local': Timeout reached
> > Failed to resolve service 'Marc' of type '_daap._tcp' in domain 'local': Timeout reached
> > Got SIGINT, quitting.
> Is any of these three services on the local machine?
> Do the other machines run Avahi or native Bonjour?
> > Is it something that other people already experienced? If not, how can
> > I provide more useful information?
> Nope, I for sure didn't experience that.
> Could you please capture the mDNS traffic that happens when you call
> avahi-browse like you did above?
> Use this:
> tcpdump -i eth0 -n -w avahi.tcpdump udp port 5353
> And send me the file avahi.tcpdump that this call creates.
> Start tcpdump shortly before (10s) calling avahi-browse, and stop it shortly
> after (10s).
> Does the local machine run any application that browses for _daap._tcp
> during the whole time? (i.e. the service-discovery-applet or rhythmbox or
> One final request: could you please do a "killall -USR1 avahi-daemon"
> once before doing that avahi-browse call (10s before) and once after
> (10s after) and sent me the ouput the daemon prints to syslog? It
> contains the mDNS cache.
we should put this on the wiki -> debugging avahi or submitting bug report
> Thank you very much in advance,
> Lennart Poettering; lennart [at] poettering [dot] net
> ICQ# 11060553; GPG 0x1A015CC4; http://0pointer.net/lennart/
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