[cups.general] /usr/lib/cups/backend/dnssd failed (was: How to debug CUPS/dnssd/mdns)

[Michael Sweet]

On Aug 13, 2010, at 6:26 AM, Marc Haber wrote:
>> ...
>> Debian normally comes with Avahi - avahi-resolve should replace "dns-sd -L" and avahi-browse should replace "dns-sd -B".
> 
> But how do I use these? I guess that I want to resolve a name to an
> address, so avahi-resolve -n would be correct. But it doesn't work:
> 
> |$ avahi-resolve -n dnssd://C510-Sch8._pdl-datastream._tcp.local/
> |Failed to resolve host name 'dnssd://C510-Sch8._pdl-datastream._tcp.local/': Timeout reached
> |$ avahi-resolve -n C510-Sch8._pdl-datastream._tcp.local
> |Failed to resolve host name 'C510-Sch8._pdl-datastream._tcp.local': Timeout reached
> |$ avahi-resolve -n C510-Sch8
> |Failed to create host name resolver: Invalid host name
> |$ 

Hmm, looks like avahi-resolve doesn't actually support resolving service references...

Use the -r option with avahi-browse:

    avahi-browse -rt _pdl-datastream._tcp

That at least will do the browse and resolve in one step for you.

> 
> With the printer working again, the issue is now purely academic.
> 
> Greetings
> Marc
> -- 
> -------------------------------------- !! No courtesy copies, please !! -----
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________________________________________________________________________
Michael Sweet, Senior Printing System Engineer, PWG Chair