Error messages - post bind 9.2.3 upgrade

[Pallati, Sudhir]

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Can some one please advise why these following messages occur ?  I see =
these filling up /var/adm/messages  only after bind upgarde to 9.2.3 on =
solaris hosts:
=20
/var/adm/messages:
Sep 29 17:38:14 memailout21 named[5627]: client 127.0.0.1#45530: error =
sending response: unexpected error
Sep 29 18:01:04 memailout21 named[5627]: client 127.0.0.1#40878: error =
sending response: unexpected error
Sep 29 18:01:04 memailout21 named[5627]: client 127.0.0.1#40901: error =
sending response: unexpected error
Sep 29 18:01:04 memailout21 named[5627]: client 127.0.0.1#40903: error =
sending response: unexpected error
Sep 29 18:01:04 memailout21 named[5627]: client 127.0.0.1#40907: error =
sending response: unexpected error

Debug log:
Sep 29 17:38:14.722 client @bc18b0: udprecv
Sep 29 17:38:14.722 client 127.0.0.1#45530: UDP request
Sep 29 17:38:14.722 client 127.0.0.1#45530: request is not signed
Sep 29 17:38:14.723 client 127.0.0.1#45530: recursion available: =
approved
Sep 29 17:38:14.723 client 127.0.0.1#45530: query
Sep 29 17:38:14.723 client 127.0.0.1#45530: query: merunetworks.com IN =
MX
Sep 29 17:38:14.724 client 127.0.0.1#45530: query (cache) approved
Sep 29 17:38:14.724 client 127.0.0.1#45530: send
Sep 29 17:38:14.725 client 127.0.0.1#45530: sendto
Sep 29 17:38:14.725 client 127.0.0.1#45530: senddone
Sep 29 17:38:14.725 client 127.0.0.1#45530: error sending response: =
unexpected error
Sep 29 17:38:14.726 client 127.0.0.1#45530: next
Sep 29 17:38:14.726 client 127.0.0.1#45530: endrequest

Thanks and Regards,
Sudhir
=20
=20