diff -up cups-1.5b1/cups/http-addr.c.res_init cups-1.5b1/cups/http-addr.c

--- cups-1.5b1/cups/http-addr.c.res_init	2011-04-16 01:38:13.000000000 +0200

+++ cups-1.5b1/cups/http-addr.c	2011-05-24 15:56:50.000000000 +0200

@@ -256,7 +256,8 @@ 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-1.5b1/cups/http-addrlist.c.res_init cups-1.5b1/cups/http-addrlist.c

--- cups-1.5b1/cups/http-addrlist.c.res_init	2011-05-20 05:49:49.000000000 +0200

+++ cups-1.5b1/cups/http-addrlist.c	2011-05-24 15:56:50.000000000 +0200

@@ -386,7 +386,8 @@ httpAddrGetList(const char *hostname,	/*

       freeaddrinfo(results);

     }

-    else if (error == EAI_FAIL)

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

+             error == EAI_NONAME)

       cg->need_res_init = 1;

 #else