BIND 10 #833: [b10-resolver] Nameservers unreachable but really are
BIND 10 Development
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Wed Oct 19 14:54:41 UTC 2011
#833: [b10-resolver] Nameservers unreachable but really are
-------------------------------------+-------------------------------------
Reporter: jreed | Owner: dvv
Type: | Status: assigned
defect | Milestone:
Priority: minor | Sprint-20111025
Component: | Resolution:
resolver | Sensitive: 0
Keywords: | Sub-Project: DNS
Defect Severity: High | Estimated Difficulty: 7.0
Feature Depending on Ticket: | Total Hours: 0
Add Hours to Ticket: 0 |
Internal?: 0 |
-------------------------------------+-------------------------------------
Comment (by jreed):
I have several examples. Notice how this one gives up in a fraction of a
second. To see earlier detailed (before is marked unreachable but still
servfail) for this same query see http://git.bind10.isc.org/~jreed/833.txt
{{{
2011-10-19 06:19:57.154 DEBUG [b10-resolver.resolver]
RESOLVER_DNS_MESSAGE_RECEIVED DNS message received: ;; ->>HEADER<<-
opcode: QUERY, status: NOERROR, id: 47761
;; flags: rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;157.11.107.109.in-addr.arpa. IN PTR
2011-10-19 06:19:57.154 DEBUG [b10-resolver.resolver]
RESOLVER_QUERY_ACCEPTED query accepted: '157.11.107.109.in-
addr.arpa./PTR/IN' from 127.0.0.1#45111
2011-10-19 06:19:57.154 DEBUG [b10-resolver.resolver]
RESOLVER_NORMAL_QUERY processing normal query
2011-10-19 06:19:57.154 DEBUG [b10-resolver.reslib] RESLIB_RESOLVE asked
to resolve <157.11.107.109.in-addr.arpa. IN PTR> (resolve() instance 2)
2011-10-19 06:19:57.154 DEBUG [b10-resolver.cache]
CACHE_RESOLVER_LOOKUP_MSG looking up message in resolver cache for
157.11.107.109.in-addr.arpa./PTR
2011-10-19 06:19:57.154 DEBUG [b10-resolver.cache] CACHE_LOCALZONE_UNKNOWN
entry with key 157.11.107.109.in-addr.arpa.12 not found in local zone data
2011-10-19 06:19:57.154 DEBUG [b10-resolver.cache] CACHE_MESSAGES_FOUND
found a message entry for 157.11.107.109.in-addr.arpa.12 in the message
cache
2011-10-19 06:19:57.155 DEBUG [b10-resolver.cache] CACHE_RRSET_LOOKUP
looking up 11.107.109.in-addr.arpa./NS/IN in RRset cache
2011-10-19 06:19:57.155 DEBUG [b10-resolver.cache]
CACHE_RESOLVER_LOOKUP_RRSET looking up RRset in resolver cache for
157.11.107.109.in-addr.arpa./PTR
2011-10-19 06:19:57.155 DEBUG [b10-resolver.cache] CACHE_LOCALZONE_UNKNOWN
entry with key 157.11.107.109.in-addr.arpa.12 not found in local zone data
2011-10-19 06:19:57.155 DEBUG [b10-resolver.cache] CACHE_RRSET_LOOKUP
looking up 157.11.107.109.in-addr.arpa./PTR/IN in RRset cache
2011-10-19 06:19:57.155 DEBUG [b10-resolver.cache] CACHE_RRSET_NOT_FOUND
no RRset found for 157.11.107.109.in-addr.arpa./PTR/IN in cache
2011-10-19 06:19:57.155 DEBUG [b10-resolver.reslib]
RESLIB_RECQ_CACHE_NO_FIND did not find <157.11.107.109.in-addr.arpa. IN
PTR> in the cache, starting RunningQuery (resolve() instance 2)
2011-10-19 06:19:57.155 DEBUG [b10-resolver.reslib]
RESLIB_RUNQ_CACHE_LOOKUP looking up up <157.11.107.109.in-addr.arpa. IN
PTR> in the cache
2011-10-19 06:19:57.155 DEBUG [b10-resolver.cache]
CACHE_RESOLVER_LOOKUP_MSG looking up message in resolver cache for
157.11.107.109.in-addr.arpa./PTR
2011-10-19 06:19:57.155 DEBUG [b10-resolver.cache] CACHE_LOCALZONE_UNKNOWN
entry with key 157.11.107.109.in-addr.arpa.12 not found in local zone data
2011-10-19 06:19:57.156 DEBUG [b10-resolver.cache] CACHE_MESSAGES_FOUND
found a message entry for 157.11.107.109.in-addr.arpa.12 in the message
cache
2011-10-19 06:19:57.156 DEBUG [b10-resolver.cache] CACHE_RRSET_LOOKUP
looking up 11.107.109.in-addr.arpa./NS/IN in RRset cache
2011-10-19 06:19:57.156 DEBUG [b10-resolver.reslib] RESLIB_RUNQ_CACHE_FIND
found <157.11.107.109.in-addr.arpa. IN PTR> in the cache
2011-10-19 06:19:57.156 DEBUG [b10-resolver.reslib] RESLIB_REFERRAL
referral received in response to query for <157.11.107.109.in-addr.arpa.
IN PTR>
2011-10-19 06:19:57.156 DEBUG [b10-resolver.cache]
CACHE_RESOLVER_UPDATE_MSG updating message for 157.11.107.109.in-
addr.arpa./PTR/IN
2011-10-19 06:19:57.156 DEBUG [b10-resolver.cache] CACHE_MESSAGES_UPDATE
updating message entry 157.11.107.109.in-addr.arpa./PTR/IN
2011-10-19 06:19:57.156 DEBUG [b10-resolver.cache] CACHE_MESSAGES_REMOVE
removing old instance of 157.11.107.109.in-addr.arpa./PTR/IN first
2011-10-19 06:19:57.156 DEBUG [b10-resolver.cache] CACHE_RRSET_UPDATE
updating RRset 11.107.109.in-addr.arpa./NS/IN in the cache
2011-10-19 06:19:57.156 DEBUG [b10-resolver.cache] CACHE_RRSET_LOOKUP
looking up 11.107.109.in-addr.arpa./NS/IN in RRset cache
2011-10-19 06:19:57.156 DEBUG [b10-resolver.cache] CACHE_RRSET_REMOVE_OLD
removing old RRset for 11.107.109.in-addr.arpa./NS/IN to make space for
new one
2011-10-19 06:19:57.157 DEBUG [b10-resolver.reslib] RESLIB_REFER_ZONE
referred to zone 11.107.109.in-addr.arpa.
2011-10-19 06:19:57.157 DEBUG [b10-resolver.nsas] NSAS_SEARCH_ZONE_NS
searching NSAS for nameservers for zone 11.107.109.in-addr.arpa.
2011-10-19 06:19:57.157 DEBUG [b10-resolver.reslib] RESLIB_RUNQ_FAIL
failure callback - nameservers are unreachable
2011-10-19 06:19:57.157 DEBUG [b10-resolver.resolver]
RESOLVER_DNS_MESSAGE_SENT DNS message of 45 bytes sent: ;; ->>HEADER<<-
opcode: QUERY, status: SERVFAIL, id: 47761
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;157.11.107.109.in-addr.arpa. IN PTR
}}}
--
Ticket URL: <http://bind10.isc.org/ticket/833#comment:19>
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