Bug#516218: getaddrinfo not working while gethostbyname works

[Matijs van Zuijlen <Matijs.van.Zuijlen@xs4all.nl>]

Package: libc6
Version: 2.9-1
Severity: important

After yesterday's upgrade of libc6 from 2.7-18 to new 2.9-1, and a reboot,
almost all programs stopped resolving hostnames. Notable exceptions were
ping and dig. After comparing wget and ping source codes, and writing a
tiny test program, it became clear that getaddrinfo was not working
anymore, while gethostbyname was.

Downgrading libc6 to 2.7-18 resolved the issue.

-- System Information:
Debian Release: 5.0
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.26-1-amd64 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages libc6 depends on:
ii  libgcc1                       1:4.3.3-4  GCC support library

libc6 recommends no packages.

Versions of packages libc6 suggests:
pn  glibc-doc                     <none>     (no description available)
ii  locales                       2.9-1      GNU C Library: National Language (

-- debconf information:
  glibc/upgrade: true
  glibc/restart-failed:
  glibc/restart-services: