After upgrading glibc from 2.6.1 to 2.8_p20080602-r1 PaX started to terminate nearly all tasks. Dmesg: PAX: From xxx.xxx.xxx.xxx: execution attempt in: <NULL>, 00000000-00000000 00000000 PAX: terminating task: /usr/sbin/apache2(apache2):25632, uid/euid: 81/81, PC: ffffffffff70085e, SP: 00007b98fe4ef228 PAX: bytes at PC: ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? PAX: bytes at SP-8: Reproducible: Always emerge --info: Portage 2.1.6.7 (hardened/amd64, gcc-3.4.6, glibc-2.6.1-r0, 2.6.25-hardened-r7-paxgr x86_64) ================================================================= System uname: Linux-2.6.25-hardened-r7-paxgr-x86_64-Intel-R-_Xeon-R-_CPU_E5420_@_2.50GHz-with-glibc2.3.2 Timestamp of tree: Mon, 20 Apr 2009 07:00:17 +0000 app-shells/bash: 3.2_p39 dev-lang/python: 2.4.4-r14, 2.5.4-r2 dev-python/pycrypto: 2.0.1-r6 sys-apps/baselayout: 1.12.11.1 sys-apps/sandbox: 1.6-r2 sys-devel/autoconf: 2.63 sys-devel/automake: 1.7.9-r1, 1.9.6-r2, 1.10.2 sys-devel/binutils: 2.18-r3 sys-devel/gcc-config: 1.4.0-r4 sys-devel/libtool: 1.5.26 virtual/os-headers: 2.6.27-r2 ABI="amd64" ACCEPT_KEYWORDS="amd64" ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci" ALSA_PCM_PLUGINS="adpcm alaw asym copy dmix dshare dsnoop empty extplug file hooks iec958 ioplug ladspa lfloat linear meter mmap_emul mulaw multi null plug rate route share shm softvol" APACHE2_MODULES="actions alias auth_basic authn_file authz_host authz_user filter deflate dir env expires headers include log_config mime negotiation rewrite setenvif ssl unique_id" APACHE2_MPMS="prefork" ARCH="amd64" AUTOCLEAN="yes" CBUILD="x86_64-pc-linux-gnu" CDEFINE_amd64="__x86_64__" CFLAGS="-mtune=nocona -O2 -pipe" CFLAGS_amd64="" CHOST="x86_64-pc-linux-gnu" CHOST_amd64="x86_64-pc-linux-gnu" CLEAN_DELAY="5" COLLISION_IGNORE="/lib/modules" CONFIG_PROTECT="/etc /var/bind" CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/php/apache2-php5/ext-active/ /etc/php/cgi-php5/ext-active/ /etc/php/cli-php5/ext-active/ /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo /etc/udev/rules.d" CVS_RSH="ssh" CXXFLAGS="-mtune=nocona -O2 -pipe" DEFAULT_ABI="amd64" DISTDIR="/usr/portage/distfiles" EDITOR="/usr/bin/vim" ELIBC="glibc" EMERGE_DEFAULT_OPTS="--verbose" EMERGE_WARNING_DELAY="10" FEATURES="digest distlocks fixpackages noinfo parallel-fetch protect-owned sandbox sfperms unmerge-orphans userfetch" FETCHCOMMAND="/usr/bin/wget -t 5 -T 60 --passive-ftp -O "${DISTDIR}/${FILE}" "${URI}"" GCC_SPECS="" GENTOO_MIRRORS="http://gentoo.mirror.pw.edu.pl/ http://gd.tuwien.ac.at/opsys/linux/gentoo/ http://gentoo.mirror.solnet.ch" HOME="/root" INFOPATH="/usr/share/info:/usr/share/gcc-data/x86_64-pc-linux-gnu/3.4.6/info" INPUT_DEVICES="keyboard mouse" KERNEL="linux" LANG="pl_PL.UTF-8" LANGUAGE="pl_PL.UTF-8" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LC_ALL="pl_PL.UTF-8" LDFLAGS="" LDFLAGS_amd64="-m elf_x86_64" LESS="-R -M --shift 5" LESSOPEN="|lesspipe.sh %s" LIBDIR_amd64="lib64" LINGUAS="pl" LOGNAME="root" LS_COLORS="rs=0:di=01;34:ln=01;36:hl=44;37:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=01;05;37;41:mi=01;05;37;41:su=37;41:sg=30;43:ca=30;41:tw=30;42:ow=34;42:st=37;44:ex=01;32:*.tar=01;31:*.tgz=01;31:*.arj=01;31:*.taz=01;31:*.lzh=01;31:*.lzma=01;31:*.zip=01;31:*.z=01;31:*.Z=01;31:*.dz=01;31:*.gz=01;31:*.bz2=01;31:*.bz=01;31:*.tbz2=01;31:*.tz=01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.rar=01;31:*.ace=01;31:*.zoo=01;31:*.cpio=01;31:*.7z=01;31:*.rz=01;31:*.jpg=01;35:*.jpeg=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35:*.svg=01;35:*.svgz=01;35:*.mng=01;35:*.pcx=01;35:*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.m2v=01;35:*.mkv=01;35:*.ogm=01;35:*.mp4=01;35:*.m4v=01;35:*.mp4v=01;35:*.vob=01;35:*.qt=01;35:*.nuv=01;35:*.wmv=01;35:*.asf=01;35:*.rm=01;35:*.rmvb=01;35:*.flc=01;35:*.avi=01;35:*.fli=01;35:*.flv=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.yuv=01;35:*.axv=01;35:*.anx=01;35:*.ogv=01;35:*.ogx=01;35:*.pdf=00;32:*.ps=00;32:*.txt=00;32:*.patch=00;32:*.diff=00;32:*.log=00;32:*.tex=00;32:*.doc=00;32:*.aac=00;36:*.au=00;36:*.flac=00;36:*.mid=00;36:*.midi=00;36:*.mka=00;36:*.mp3=00;36:*.mpc=00;36:*.ogg=00;36:*.ra=00;36:*.wav=00;36:*.axa=00;36:*.oga=00;36:*.spx=00;36:*.xspf=00;36:" MAIL="/var/mail/root" MAKEOPTS="-j5" MANPATH="/usr/local/share/man:/usr/share/man:/usr/share/binutils-data/x86_64-pc-linux-gnu/2.18/man:/usr/share/gcc-data/x86_64-pc-linux-gnu/3.4.6/man:/usr/lib64/php5/man/" MULTILIB_ABIS="amd64" NETBEANS="apisupport cnd groovy gsf harness ide identity j2ee java mobility nb php profiler soa visualweb webcommon websvccommon xml" NOCOLOR="true" OLDPWD="/usr/portage/sys-libs/glibc" PAGER="/usr/bin/less" PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/opt/bin:/usr/x86_64-pc-linux-gnu/gcc-bin/3.4.6" PKGDIR="/usr/portage/packages" PORTAGE_ARCHLIST="ppc s390 amd64 x86 ppc64 x86-fbsd m68k arm sparc sh mips ia64 alpha hppa amd64-fbsd sparc-fbsd" PORTAGE_BINHOST_CHUNKSIZE="3000" PORTAGE_BIN_PATH="/usr/lib64/portage/bin" PORTAGE_COMPRESS_EXCLUDE_SUFFIXES="css gif htm[l]? jp[e]?g js pdf png" PORTAGE_CONFIGROOT="/" PORTAGE_COUNTER_HASH="db6a18cb1443667edec06d68604e81a5" PORTAGE_DEBUG="0" PORTAGE_DEPCACHEDIR="/var/cache/edb/dep" PORTAGE_ELOG_CLASSES="log warn error" PORTAGE_ELOG_MAILFROM="portage@localhost" PORTAGE_ELOG_MAILSUBJECT="[portage] ebuild log for ${PACKAGE} on ${HOST}" PORTAGE_ELOG_MAILURI="root" PORTAGE_ELOG_SYSTEM="save_summary echo" PORTAGE_FETCH_CHECKSUM_TRY_MIRRORS="5" PORTAGE_FETCH_RESUME_MIN_SIZE="350K" PORTAGE_GID="250" PORTAGE_INST_GID="0" PORTAGE_INST_UID="0" PORTAGE_PYM_PATH="/usr/lib64/portage/pym" PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --stats --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages" PORTAGE_RSYNC_RETRIES="3" PORTAGE_TMPDIR="/var/tmp" PORTAGE_TMPFS="/dev/shm" PORTAGE_VERBOSE="1" PORTAGE_WORKDIR_MODE="0700" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/usr/local/portage" PROFILE_ONLY_VARIABLES="ARCH ELIBC KERNEL USERLAND" PWD="/root" PYTHONPATH="/usr/lib64/portage/pym" RESUMECOMMAND="/usr/bin/wget -c -t 5 -T 60 --passive-ftp -O "${DISTDIR}/${FILE}" "${URI}"" ROOT="/" ROOTPATH="/opt/bin:/usr/x86_64-pc-linux-gnu/gcc-bin/3.4.6" RPMDIR="/usr/portage/rpm" SHELL="/bin/bash" SHLVL="2" SSH_CLIENT="192.168.32.254 35096 2200" SSH_CONNECTION="192.168.32.254 35096 192.168.32.4 2200" SSH_TTY="/dev/pts/0" STAGE1_USE="hardened pic" STY="22571.pts-0.petrus" SYMLINK_LIB="yes" SYNC="rsync://gw.vpn/gentoo-portage" TERM="screen" TERMCAP="SC|screen|VT 100/ANSI X3.64 virtual terminal:\ :DO=\E[%dB:LE=\E[%dD:RI=\E[%dC:UP=\E[%dA:bs:bt=\E[Z:\ :cd=\E[J:ce=\E[K:cl=\E[H\E[J:cm=\E[%i%d;%dH:ct=\E[3g:\ :do=^J:nd=\E[C:pt:rc=\E8:rs=\Ec:sc=\E7:st=\EH:up=\EM:\ :le=^H:bl=^G:cr=^M:it#8:ho=\E[H:nw=\EE:ta=^I:is=\E)0:\ :li#41:co#167:am:xn:xv:LP:sr=\EM:al=\E[L:AL=\E[%dL:\ :cs=\E[%i%d;%dr:dl=\E[M:DL=\E[%dM:dc=\E[P:DC=\E[%dP:\ :im=\E[4h:ei=\E[4l:mi:IC=\E[%d@:ks=\E[?1h\E=:\ :ke=\E[?1l\E>:vi=\E[?25l:ve=\E[34h\E[?25h:vs=\E[34l:\ :ti=\E[?1049h:te=\E[?1049l:us=\E[4m:ue=\E[24m:so=\E[3m:\ :se=\E[23m:mb=\E[5m:md=\E[1m:mr=\E[7m:me=\E[m:ms:\ :Co#8:pa#64:AF=\E[3%dm:AB=\E[4%dm:op=\E[39;49m:AX:\ :vb=\Eg:G0:as=\E(0:ae=\E(B:\ :ac=\140\140aaffggjjkkllmmnnooppqqrrssttuuvvwwxxyyzz{{||}}~~..--++,,hhII00:\ :po=\E[5i:pf=\E[4i:Z0=\E[?3h:Z1=\E[?3l:k0=\E[10~:\ :k1=\EOP:k2=\EOQ:k3=\EOR:k4=\EOS:k5=\E[15~:k6=\E[17~:\ :k7=\E[18~:k8=\E[19~:k9=\E[20~:k;=\E[21~:F1=\E[23~:\ :F2=\E[24~:F3=\E[2P:F4=\E[2Q:F5=\E[2R:F6=\E[2S:\ :F7=\E[15;2~:F8=\E[17;2~:F9=\E[18;2~:FA=\E[19;2~:kb=^H:\ :K2=\EOE:kB=\E[Z:kF=\E[1;2B:kR=\E[1;2A:*4=\E[3;2~:\ :*7=\E[1;2F:#2=\E[1;2H:#3=\E[2;2~:#4=\E[1;2D:%c=\E[6;2~:\ :%e=\E[5;2~:%i=\E[1;2C:kh=\E[1~:@1=\E[1~:kH=\E[4~:\ :@7=\E[4~:kN=\E[6~:kP=\E[5~:kI=\E[2~:kD=\E[3~:ku=\EOA:\ :kd=\EOB:kr=\EOC:kl=\EOD:km:" TZ="Europe/Warsaw" USE="acl amd64 apache2 bash-completion berkdb bzip2 cracklib crypt hardened justify midi nls nptl nptlonly pam pcre perl pic posix readline sse sse2 ssl threads udev unicode urandom xattr xml xorg zlib" ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci" ALSA_PCM_PLUGINS="adpcm alaw asym copy dmix dshare dsnoop empty extplug file hooks iec958 ioplug ladspa lfloat linear meter mmap_emul mulaw multi null plug rate route share shm softvol" APACHE2_MODULES="actions alias auth_basic authn_file authz_host authz_user filter deflate dir env expires headers include log_config mime negotiation rewrite setenvif ssl unique_id" APACHE2_MPMS="prefork" ELIBC="glibc" INPUT_DEVICES="keyboard mouse" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LINGUAS="pl" USERLAND="GNU" VIDEO_CARDS="apm ark chips cirrus cyrix dummy fbdev glint i128 i810 intel mach64 mga neomagic nv r128 radeon rendition s3 s3virge savage siliconmotion sis sisusb tdfx tga trident tseng v4l vesa vga via vmware voodoo" USER="root" USERLAND="GNU" USE_EXPAND="ALSA_CARDS ALSA_PCM_PLUGINS APACHE2_MODULES APACHE2_MPMS CAMERAS CROSSCOMPILE_OPTS DVB_CARDS ELIBC FCDSL_CARDS FOO2ZJS_DEVICES FRITZCAPI_CARDS INPUT_DEVICES KERNEL LCD_DEVICES LINGUAS LIRC_DEVICES MISDN_CARDS NETBEANS_MODULES USERLAND VIDEO_CARDS" USE_EXPAND_HIDDEN="CROSSCOMPILE_OPTS ELIBC KERNEL USERLAND" USE_ORDER="env:pkg:conf:defaults:pkginternal:env.d" VIDEO_CARDS="apm ark chips cirrus cyrix dummy fbdev glint i128 i810 intel mach64 mga neomagic nv r128 radeon rendition s3 s3virge savage siliconmotion sis sisusb tdfx tga trident tseng v4l vesa vga via vmware voodoo" WINDOW="4" _="/usr/bin/emerge"
Upgrade your kernel. You compiled sys-libs/glibc-2.8* against linux-headers-2.6.27 and are running a 2.6.25 kernel.