Package: libc6 Version: 2.19-15 Severity: important I'm on a network that has somewhat broken DNS: attempts to resolve AAAA records for some hosts produce long timeouts.
As I understand it, glibc is supposed to check whether the system has any non-link-local IPv6 addresses configured, and only attempt to resolve DNS requests to IPv6 addresses (via AAAA queries) if so. However, that doesn't seem to work on my system. My wired (eth0) and wireless (wlan0) interfaces both have link-local IPv6 addresses automatically configured, and this seems to make glibc attempt IPv6 DNS resolution. If I remove the IPv6 link-local addresses from my network interfaces, glibc correctly issues only an A record query. Some searching turned up https://bugs.launchpad.net/ubuntu/+source/glibc/+bug/156720 , which might be related. - Josh Triplett -- System Information: Debian Release: 8.0 APT prefers unstable APT policy: (500, 'unstable'), (1, 'experimental') Architecture: amd64 (x86_64) Kernel: Linux 3.16.0-4-amd64 (SMP w/4 CPU cores) Locale: LANG=C.UTF-8, LC_CTYPE=C.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) Versions of packages libc6 depends on: ii libgcc1 1:4.9.2-10 libc6 recommends no packages. Versions of packages libc6 suggests: ii debconf [debconf-2.0] 1.5.55 ii glibc-doc 2.19-15 pn locales <none> -- debconf information: glibc/upgrade: true glibc/restart-failed: * libraries/restart-without-asking: true glibc/disable-screensaver: glibc/restart-services: -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org