[Bug libc/17053] New: IPv6 name server support is broken

[aurelien at aurel32 dot net]

https://sourceware.org/bugzilla/show_bug.cgi?id=17053

            Bug ID: 17053
           Summary: IPv6 name server support is broken
           Product: glibc
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: libc
          Assignee: unassigned at sourceware dot org
          Reporter: aurelien at aurel32 dot net
                CC: drepper.fsp at gmail dot com

IPv6 name server support is currently broken in various way:
- The resolver doesn't work at all with 1 IPv6 nameserver configured in
resolv.conf and options rotate
- The resolver doesn't fall back to secondary name server or retry, when first
is one is IPv6 and unreachable
- Every second lookup fails with 2 or more IPv6 nameservers configured in
resolv.conf and options rotate, every second lookup fails.

A patchset will follow on the mailing list

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