Firefox убивает Xorg

Такая тема что Firefox при рендеринге некоторых страниц убивает X. Даж не знаю в чем проблема, ситуация с nv и nvidia одинакова, точнее nvidia убивает и ядро(?), тк не активна клавиатура и гаснет экран.

мой make.conf

# These settings were set by the catalyst build script that automatically
# built this stage.
# Please consult /etc/make.conf.example for a more detailed example.

CFLAGS="-march=prescott -O3 -pipe -fomit-frame-pointer"

CXXFLAGS="${CFLAGS}"
MAKEOPTS="-j3"

# WARNING: Changing your CHOST is not something that should be done lightly.
# Please consult http://www.gentoo.org/doc/en/change-chost.xml before changing.

INPUT_DEVICES="keyboard mouse"
VIDEO_CARDS="nvidia"
ALSA_CARDS="intel8x0"

LINGUAS="en"

USE="gtk X alsa apache2 avahi cairo cdr dri firefox fltk \
ftp  gimp glut gpm hal icq javascript lame lzo mmx mplayer \
ogg openal opengl smp spell sse sse2 sse3 sse4 subversion \
symlink usb \
jpeg tiff gif flac jabber jpeg2k ncurces sqlite sqlite3  \ 
png mp3 vorbis encode xvid pulseaudio pdf svg xfce xcomposite \
dbus gstreamer unicode utf8 xulrunner acpi source xml \
reiser4 reiserfs xfs threads djvu dvi musepack equalizer \
-gnome -qt3 -qt4 -kde -bluetooth -java -java5 -java6 -wifi \
-adabas -adns -afs -aim -altivec -apm -arts -atm \
-bash-complection -berkdb -bidi -birdstep -cana -cdb -cddb \
-clamav -cups -db2 -dvb -eds -emacs -empress -evo -firebird \
-fortran -freewnn -cgj -gprs -ibm -ieee1394 -ipod -ipv6 \
-joystick -kolab -krb4 -latex -migemo -mono -msn -multilib \
-netboot -networkmanager -ocaml -oci8 -ofx -oracle -pda -radius \
-rdesktop -samba -sapdb -solid -tcl -wifi -win32codecs -voodoo3 \
-xine -yahoo -doc"

CHOST="i686-pc-linux-gnu"

GENTOO_MIRRORS="ftp://mirror.yandex.ru/gentoo-distfiles/ "

SYNC="rsync://rsync.europe.gentoo.org/gentoo-portage"

FEATURES="parallel-fetch ccache"

CCACHE_SIZE="3G"
CCACHE_DIR="/var/tmp/ccache"

возможно проблема из-за -O3 ?

лог Xorga

....
(II) XINPUT: Adding extended input device "PS/2 Mouse" (type: MOUSE)
(II) XINPUT: Adding extended input device "Keyboard0" (type: KEYBOARD)
(--) PS/2 Mouse: PnP-detected protocol: "ExplorerPS/2"
(II) PS/2 Mouse: ps2EnableDataReporting: succeeded
SetClientVersion: 0 9
SetKbdSettings - type: -1 rate: 30 delay: 500 snumlk: 0
(WW) Open ACPI failed (/var/run/acpid.socket) (No such file or directory)
(II) No APM support in BIOS or kernel
(II) PS/2 Mouse: ps2EnableDataReporting: succeeded

Backtrace:
0: X(xf86SigHandler+0x84) [0x80dda04]
1: [0xb7f01400]
2: X(CompositePicture+0x8c) [0x8176b6c]
3: X(miTrapezoids+0x233) [0x8174323]
4: X [0x8195610]
5: X(CompositeTrapezoids+0x93) [0x81769a3]
6: X [0x817c9f5]
7: X [0x8178775]
8: X [0x8169f5e]
9: X(Dispatch+0x1ab) [0x808f4bb]
10: X(main+0x488) [0x8074d78]
11: /lib/libc.so.6(__libc_start_main+0xdc) [0xb7c60fdc]
12: X(FontFileCompleteXLFD+0x1f5) [0x80740b1]

Fatal server error:
Caught signal 11.  Server aborting

Сейчас проверяю дело ли в FF либо в движке, потестю как оно на epiphany