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Tommi Virtanen wrote:
> Package: pdns-recursor
> Version: 2.9.20-1+b1
> Severity: grave
> Justification: renders package unusable
> 
> 
> Severity is grave because it seems this happens a lot, and it happens
> 100% reliably for me.
> 
> The symptom is that the recursor starts answering all requests with
> SERVFAIL. It seems that this is because it forgets its root hints,
> and has no root servers left to query.
> 
> $ sudo /usr/sbin/pdns_recursor --daemon=no --trace
> Apr 23 15:52:22 PowerDNS recursor 2.9.20 (C) 2001-2006 PowerDNS.COM BV (Apr  
> 6 2006, 06:46:44, gcc 4.0.3 (Debian 4.0.3-1)) starting up
> Apr 23 15:52:22 Operating in 32 bits mode
> Apr 23 15:52:22 PowerDNS comes with ABSOLUTELY NO WARRANTY. This is free 
> software, and you are welcome to redistribute it according to the terms of 
> the GPL version 2.
> Apr 23 15:52:22 Sending UDP queries from 0.0.0.0:19261
> Apr 23 15:52:22 Listening for UDP queries on 127.0.0.1:53
> Apr 23 15:52:22 Listening for TCP queries on 127.0.0.1:53
> Apr 23 15:52:22 Done priming cache with root hints
> Apr 23 15:52:23 : No cache hit for '|NS', trying to find an appropriate NS 
> record
> Apr 23 15:52:23 : Checking if we have NS in cache for ''
> Apr 23 15:52:23 : our root expired, repriming from hints and retrying
> Apr 23 15:52:23 : Checking if we have NS in cache for ''
> Apr 23 15:52:23 : our root expired, repriming from hints and retrying
> Apr 23 15:52:23 : Cache consultations done, have 0 NS to contact
> Apr 23 15:52:23 : Nameservers:
> Apr 23 15:52:23 : Failed to resolve via any of the 0 offered NS
> Apr 23 15:52:23 : failed
> Apr 23 15:52:23 Failed to update . records, RCODE=2
> 
> 
> While this does not completetly match upstream's description (mostly
> because it happens even with --trace), it might very well be this:
> 
> http://wiki.powerdns.com/projects/trac/changeset/658
> http://blog.netherlabs.nl/articles/page/2
> 
> I wasn't able to get a newer upstream version to compile cleanly, so I
> don't know if this is in fact already fixed or not.
> 

Hi,

Can you try the new version of pdns-recursor available in the archive ?
(Version 3.0.1-1)

Regards,

Matthijs Mohlmann

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