I get the same problem when starting beryl-xgl, I have a Xpress 200m and I'm using fglrx since I cant get 3d acceleration with the open drivers.
$ LD_PRELOAD=/usr/lib/fglrx/libGL.so.1.2.xlibmesa beryl-xgl --replace & [3] 31263 $ ************************************************** ************ * Beryl system compatiblity check * ************************************************** ************ Detected xserver : XGL Checking Display :1.0 ... Checking for XComposite extension : passed (v0.3) Checking for XDamage extension : passed Checking for RandR extension : passed Checking for XSync extension : passed beryl-xgl: xcb_xlib.c:50: xcb_xlib_unlock: Assertion `c->xlib.lock' failed. beryl-xgl: xcb_xlib.c:50: xcb_xlib_unlock: Assertion `c->xlib.lock' failed. [1]+ Done LD_PRELOAD=/usr/lib/fglrx/libGL.so.1.2.xlibmesa beryl --replace Cancelado (core dumped) -- c->xlib.lock https://launchpad.net/bugs/87390 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
