yann@1201: Original patch from: gentoo/src/patchsets/glibc/2.9/0080_all_glibc-2.10-dns-no-gethostbyname4.patch
yann@1201: 
yann@1201: -= BEGIN original header =-
yann@1201: http://sourceware.org/bugzilla/show_bug.cgi?id=7060
yann@1201: http://bugs.gentoo.org/250468
yann@1201: 
yann@1201: The gethostbyname4() lookup method is problematic since it fires out both
yann@1201: the A and AAAA DNS queries in parallel and over the same socket. This
yann@1201: should work in theory, but it turns out that many cheap DSL modems and
yann@1201: similar devices have buggy DNS servers - if the AAAA query arrives too
yann@1201: quickly after the A query, the server will generate only a single reply
yann@1201: with the A query id but returning an error for the AAAA query; we get
yann@1201: stuck waiting for the second reply.
yann@1201: 
yann@1201: For gethostbyname4() users affected, disabling IPv6 in the system might
yann@1201: work around the issue, unfortunately it only helps with applications
yann@1201: using AI_ADDRCONFIG (e.g. Firefox); some (notably e.g. Pidgin) neglect
yann@1201: to do that.
yann@1201: 
yann@1201: Real fix should be using separate ports for the A and AAAA queries.
yann@1201: 
yann@1201: -= END original header =-
yann@1201: 
yann@1201: diff -durN glibc-2_9.orig/resolv/Versions glibc-2_9/resolv/Versions
yann@1201: --- glibc-2_9.orig/resolv/Versions	2008-08-01 19:15:34.000000000 +0200
yann@1201: +++ glibc-2_9/resolv/Versions	2009-02-02 22:00:46.000000000 +0100
yann@1201: @@ -102,7 +102,7 @@
yann@1201:      _nss_dns_gethostbyname_r; _nss_dns_getnetbyaddr_r;
yann@1201:      _nss_dns_getnetbyname_r; _nss_dns_getcanonname_r;
yann@1201:      _nss_dns_gethostbyaddr2_r;
yann@1201: -    _nss_dns_gethostbyname4_r;
yann@1201: +#    _nss_dns_gethostbyname4_r;
yann@1201:    }
yann@1201:  }
yann@1201: