Hi Sean,

This looks like a bug that was fixed in 1.8.1, can you try with 1.8.2,
and then I'd like to be able to replicate this.  Could you tell me parts
of config pertinent to the auth-zone (because that is what seems to be
failing here)?

Best regards, Wouter

On 12/8/18 3:56 PM, Sean Darcy via Unbound-users wrote:
> 1.8.1
> When rebooting, unbound dies:
> 
> systemd[1]: Starting Unbound recursive Domain Name Server...
> unbound-checkconf[1025]: unbound-checkconf: no errors in
> /etc/unbound/unbound.conf
> systemd[1]: Started Unbound recursive Domain Name Server.
> unbound[1261]: [1261:0] notice: init module 0: ipsecmod
> unbound[1261]: [1261:0] notice: init module 1: validator
> unbound[1261]: [1261:0] notice: init module 2: iterator
> unbound[1261]: [1261:0] info: start of service (unbound 1.8.1).
> unbound[1261]: [1261:0] info: generate keytag query _ta-4a5c-4f66. NULL IN
> unbound[1261]: [1261:2] info: generate keytag query _ta-4a5c-4f66. NULL IN
> unbound[1261]: [1261:0] error: .: failed lookup, cannot transfer from
> master k.root-servers.net
> unbound[1261]: [1261:0] error: .: failed lookup, cannot transfer from
> master k.root-servers.net
> unbound[1261]: [1261:0] error: .: failed lookup, cannot transfer from
> master g.root-servers.net
> unbound[1261]: [1261:0] error: .: failed lookup, cannot transfer from
> master f.root-servers.net
> unbound[1261]: [1261:0] error: .: failed lookup, cannot transfer from
> master e.root-servers.net
> unbound[1261]: [1261:0] error: .: failed lookup, cannot transfer from
> master c.root-servers.net
> unbound[1261]: [1261:0] error: .: failed lookup, cannot transfer from
> master b.root-servers.net
> unbound[1261]: *** buffer overflow detected ***: /usr/sbin/unbound terminated
> systemd[1]: unbound.service: Main process exited, code=killed, status=6/ABRT
> systemd[1]: unbound.service: Failed with result 'signal'.
> 
> But no problem if restarted.
> systemctl restart unbound
> 
> systemd[1]: Starting Unbound recursive Domain Name Server...
> unbound-checkconf[2775]: unbound-checkconf: no errors in
> /etc/unbound/unbound.conf
> systemd[1]: Started Unbound recursive Domain Name Server.
> unbound[2778]: [2778:0] warning: did not exit gracefully last time (1261)
> unbound[2778]: [2778:0] notice: init module 0: ipsecmod
> unbound[2778]: [2778:0] notice: init module 1: validator
> unbound[2778]: [2778:0] notice: init module 2: iterator
> unbound[2778]: [2778:0] info: start of service (unbound 1.8.1).
> unbound[2778]: [2778:0] info: generate keytag query _ta-4a5c-4f66. NULL IN
> 
> Any help appreciated.
> 
> sean
> 

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