xcompmgr compiles but fails to run when libX11 is compiled with xcb xcompmgr = 1.1.3 libX11 = 1.1 output: xcompmgr: xcb_xlib.c:50: xcb_xlib_unlock: Assertion `c->xlib.lock' failed. ltrace: __libc_start_main(0x804c060, 1, 0xbfbbaf64, 0x804d730, 0x804d720 <unfinished ...> memset(0x804f440, '\000', 512) = 0x804f440 getopt(1, 0xbfbbaf64, "D:I:O:d:r:o:l:t:scnfFCaS") = -1 XOpenDisplay(NULL) = 0x8050008 XSetErrorHandler(0x804b5d0, 0xbfbbaf64, 0x804d916, 0xb7f690ab, 0xb7f7afbc) = 0xb7e8d8c0 XRenderQueryExtension(0x8050008, 0x804f400, 0x804f40c, 0xb7f690ab, 0xb7f7afbc) = 1 XQueryExtension(0x8050008, 0x804d958, 0x804f420, 0x804f3f4, 0x804f394) = 1 XCompositeQueryVersion(0x8050008, 0xbfbbae9c, 0xbfbbae98, 0x804f3f4, 0x804f394xcompmgr: xcb_xlib.c:50: xcb_xlib_unlock: Assertion `c->xlib.lock' failed. <unfinished ...> --- SIGABRT (Aborted) --- +++ killed by SIGABRT +++ Portage 2.1.1-r2 (hardened/x86/2.6, gcc-4.1.1, glibc-2.4-r4, 2.6.18.3 i686) ================================================================= System uname: 2.6.18.3 i686 AMD Athlon(tm) XP 3000+ Gentoo Base System version 1.12.6 Last Sync: Fri, 01 Dec 2006 12:00:01 +0000 app-admin/eselect-compiler: [Not Present] dev-java/java-config: 1.3.7, 2.0.30 dev-lang/python: 2.3.5-r2, 2.4.3-r4 dev-python/pycrypto: 2.0.1-r5 dev-util/ccache: [Not Present] dev-util/confcache: 0.4.2-r1 sys-apps/sandbox: 1.2.17 sys-devel/autoconf: 2.13, 2.60 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: 2.17.50.0.3 sys-devel/gcc-config: 1.3.13-r4 sys-devel/libtool: 1.5.22 virtual/os-headers: 2.6.18 ACCEPT_KEYWORDS="x86" AUTOCLEAN="yes" CBUILD="i686-pc-linux-gnu" CFLAGS="-pipe -O2 -march=athlon-xp -freorder-blocks -fprefetch-loop-arrays" CHOST="i686-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/share/X11/xkb /var/bind" CONFIG_PROTECT_MASK="/etc/env.d /etc/env.d/java/ /etc/gconf /etc/java-config/vms/ /etc/revdep-rebuild /etc/terminfo /etc/texmf/web2c" CXXFLAGS="-pipe -O2 -march=athlon-xp -freorder-blocks -fprefetch-loop-arrays" DISTDIR="/usr/portage/distfiles" FEATURES="autoconfig distlocks doc installsources metadata-transfer parallel-fetch sandbox sfperms splitdebug strict userfetch userpriv" GENTOO_MIRRORS="http://distfiles.gentoo.org http://distro.ibiblio.org/pub/linux/distributions/gentoo" LDFLAGS="-Wl,-O1 -Wl,--sort-common -Wl,--as-needed" PKGDIR="/usr/portage//packages/x86/" 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://rsync.gentoo.org/gentoo-portage" USE="X a52 aac acpi alsa apache2 berkdb bitmap-fonts bzip2 cairo cdparanoia crypt dbus debug dga dlloader dri dvd elibc_glibc emacs encode flac font-server glitz gtk2 imagemagick input_devices_keyboard input_devices_mouse java5 jpeg kernel_linux lirc lirc_devices_alsa_usb lm_sensors mad mmap modperl nls no-suexec norhino nptl nptlonly ogg opengl pam pango pcre perl pic png postgres readline rtc silc ssl svg timidity truetype udev usb userland_GNU userlocales video_cards_radeon win32codecs x86 xcb xcomposite xml2 xorg xv zlib" Unset: CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LANG, LC_ALL, LINGUAS, MAKEOPTS, PORTAGE_RSYNC_EXTRA_OPTS, PORTDIR_OVERLAY
This should be fixed in libX11 1.1.1, which isn't yet in the tree (it was just released last night).
1.1.1 is in the tree now. Please re-open the bug if you continue to have issues.