I installed gentoo 2006.0 with gtk+-2.8.8; cairo-1.0.2; glib-2.8.5; pango 1.10.3. Everything went fine but... then I upgraded to gtk-2.8.19(or 20); cairo-1.0.4; glib-2.10.3, pango-1.12.3 The result is on the screenies... first one is when I do nothing (for ex. window just appeared), the second is when I pass the mouse over it. It's with any gtk app. I'm not using gnome, that's my ~/.gtkrc-2.0 include "/home/polachok/.themes/dwergo" style "user-font" { font_name = "snap 12" } widget_class "*" style "user-font" gtk-font-name="snap 12" It happens only when using fixed width X11 fonts not TTF. [ebuild U ] x11-libs/gtk+-2.8.19 [2.8.8] USE="X% jpeg -debug -doc -tiff -xinerama%" 0 kB ===Portage 2.1-r2 (default-linux/x86/2006.0, gcc-4.1.1, glibc-2.4-r3, 2.6.17 i686) ================================================================= System uname: 2.6.17 i686 Mobile AMD Sempron(tm) Processor 3300+ Gentoo Base System version 1.12.4 ccache version 2.3 [enabled] app-admin/eselect-compiler: [Not Present] dev-lang/python: 2.4.3-r1 dev-python/pycrypto: 2.0.1-r5 dev-util/ccache: 2.3 dev-util/confcache: 0.4.2-r1 sys-apps/sandbox: 1.2.17 sys-devel/autoconf: 2.13, 2.59-r7 sys-devel/automake: 1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6-r2 sys-devel/binutils: 2.16.1-r3 sys-devel/gcc-config: 1.3.13-r3 sys-devel/libtool: 1.5.22 virtual/os-headers: 2.6.11-r2 ACCEPT_KEYWORDS="x86" AUTOCLEAN="yes" CBUILD="i686-pc-linux-gnu" CFLAGS="-O2 -march=k8 -m32 -fomit-frame-pointer -ftracer -fweb -ftree-vectorize -mfpmath=sse -msse3 -pipe" CHOST="i686-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/share/X11/xkb" CONFIG_PROTECT_MASK="/etc/env.d /etc/gconf /etc/revdep-rebuild /etc/terminfo" CXXFLAGS="-O2 -march=k8 -m32 -fomit-frame-pointer -ftracer -fweb -ftree-vectorize -mfpmath=sse -msse3 -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="autoconfig ccache digest distlocks metadata-transfer sandbox sfperms strict" GENTOO_MIRRORS="ftp://mirror.aiya.ru/pub/gentoo/" LANG="POSIX" LC_ALL="" LDFLAGS="-Wl,-O2 -Bdirect" LINGUAS="ru en" MAKEOPTS="-j2" PKGDIR="/usr/portage/packages" PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --delete-after --stats --timeout=180 --exclude='/distfiles' --exclude='/local' --exclude='/packages'" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" SYNC="rsync://mirror.aiya.ru/gentoo-portage" USE="x86 3dnow X acpi alsa bash-completion bzip2 cairo cdparanoia cdr cups dri dvd dvdr firefox ftp gif glibc-omitfp gpm gtk gtk2 iconv icq imlib jabber jpeg jpeg2k mad mmx mmxext mp3 ncurses nls nptl nptlonly ogg opengl pcmcia png ppds readline sharedmem spell sse sse2 svg threads truetype usb userlocales vorbis wifi win32codecs xosd xv zlib elibc_glibc input_devices_keyboard input_devices_mouse kernel_linux linguas_ru linguas_en userland_GNU video_cards_radeon video_cards_fglrx video_cards_vesa" Unset: CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, PORTAGE_RSYNC_EXTRA_OPTS, PORTDIR_OVERLAY
Humm it feels like the problem is with the graphics drivers. What gfx card/driver are you using?
Marking as NEEDINFO. Please reopen after providing the requested information. I believe older nvidia drivers might have had a similar problem like this, but not sure.