http://sources.redhat.com/cgi-bin/cvsweb.cgi/libc/resolv/res_init.c.diff?r1=1.40&r2=1.41&cvsroot=glibc The glibc people have a fix in their CVS. Please import! Reproducible: Sometimes Steps to Reproduce: 1. put ipv6 nameserver in /etc/resolv.conf 2. use glibc with nptl 3. try surfing with mozilla or konqueror Actual Results: every other lookup fails mysteriously. Sometimes reload works, sometimes not. Expected Results: work all the time. Portage 2.0.51_rc7 (gcc34-x86-2004.2, gcc-3.4.2, glibc-2.3.4.20040808-r0, 2.6.8.1 i686) ================================================================= System uname: 2.6.8.1 i686 unknown Gentoo Base System version 1.5.3 Autoconf: sys-devel/autoconf-2.59-r4 Automake: sys-devel/automake-1.8.5-r1 Binutils: sys-devel/binutils-2.15.92.0.2 Headers: sys-kernel/linux26-headers-2.6.8.1 Libtools: sys-devel/libtool-1.5.2-r5 ACCEPT_KEYWORDS="x86 ~x86" AUTOCLEAN="yes" CFLAGS="-pipe -Os" CHOST="i686-pc-linux-gnu" COMPILER="" CONFIG_PROTECT="/etc /usr/X11R6/lib/X11/xkb /usr/kde/2/share/config /usr/kde/3.3/share/config:/usr/kde/3.3/env:/usr/kde/3.3/shutdown /usr/kde/3/share/config /usr/share/config /var/qmail/control" CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/env.d" CXXFLAGS="-mcpu=athlon-xp -Os -pipe -fomit-frame-pointer" DISTDIR="/cvs/distfiles" FEATURES="autoaddcvs ccache distlocks sandbox" GENTOO_MIRRORS="http://160.45.44.196:81 http://gentoo.oregonstate.edu/ http://distro.ibiblio.org/pub/linux/distributions/gentoo" MAKEOPTS="-j2" PKGDIR="/cvs/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="" SYNC="rsync://rsync3.de.gentoo.org/gentoo-portage" USE="X aalib apm avi berkdb bitmap-fonts cdr crypt encode esd fbcon foomaticdb gdbm gif gphoto2 gpm gtk2 imlib ipv6 java jpeg kde ldap libg++ libwww mad mikmod motif mpeg ncurses nls nptl oggvorbis opengl oss pam pdflib perl png python qt quicktime readline sdl slang spell ssl tcpd truetype x86 xml2 xprint xv zlib"
This is fixed in the latest version in portage.