diff -up cups-1.6b1/cups/http-addr.c.res_init cups-1.6b1/cups/http-addr.c

--- cups-1.6b1/cups/http-addr.c.res_init	2012-05-17 00:57:03.000000000 +0200

+++ cups-1.6b1/cups/http-addr.c	2012-05-25 15:51:51.323916352 +0200

@@ -254,7 +254,8 @@ httpAddrLookup(

     if (error)

     {

-      if (error == EAI_FAIL)

+      if (error == EAI_FAIL || error == EAI_AGAIN || error == EAI_NODATA ||

+          error == EAI_NONAME)

         cg->need_res_init = 1;

       return (httpAddrString(addr, name, namelen));

diff -up cups-1.6b1/cups/http-addrlist.c.res_init cups-1.6b1/cups/http-addrlist.c

--- cups-1.6b1/cups/http-addrlist.c.res_init	2012-04-23 19:26:57.000000000 +0200

+++ cups-1.6b1/cups/http-addrlist.c	2012-05-25 16:05:05.930377452 +0200

@@ -540,7 +540,8 @@ httpAddrGetList(const char *hostname,	/*

     }

     else

     {

-      if (error == EAI_FAIL)

+      if (error == EAI_FAIL || error == EAI_AGAIN || error == EAI_NODATA ||

+          error == EAI_NONAME)

         cg->need_res_init = 1;

       _cupsSetError(IPP_INTERNAL_ERROR, gai_strerror(error), 0);