Comment 37 for bug 185311

I've tried all the above suggestions and none of them seem to work. This still happens when invoking MATLAB:

Locking assertion failure. Backtrace:
#0 /usr/lib/libxcb-xlib.so.0 [0x7f5e05bdf97c]
#1 /usr/lib/libxcb-xlib.so.0(xcb_xlib_unlock+0x24) [0x7f5e05bdfa84]
#2 /usr/lib/libX11.so.6(_XReply+0x10f) [0x7f5e06f88f4f]
#3 /opt/matlab74/sys/java/jre/glnxa64/jre1.5.0/lib/amd64/xawt/libmawt.so(XineramaQueryScreens+0xfd) [0x7f5dab402285]
#4 /opt/matlab74/sys/java/jre/glnxa64/jre1.5.0/lib/amd64/xawt/libmawt.so(xineramaInit+0x63) [0x7f5dab3e7e84]
#5 /opt/matlab74/sys/java/jre/glnxa64/jre1.5.0/lib/amd64/xawt/libmawt.so(awt_init_Display+0x159) [0x7f5dab3e80f3]
#6 /opt/matlab74/sys/java/jre/glnxa64/jre1.5.0/lib/amd64/xawt/libmawt.so(Java_sun_awt_X11GraphicsEnvironment_initDisplay+0x1d) [0x7f5dab3e8311]
#7 [0x7f5dbf345f9b]
Locking assertion failure. Backtrace:
#0 /usr/lib/libxcb-xlib.so.0 [0x7f5e05bdf97c]
#1 /usr/lib/libxcb-xlib.so.0(xcb_xlib_lock+0x15) [0x7f5e05bdfa15]
#2 /usr/lib/libX11.so.6 [0x7f5e06f88323]
#3 /usr/lib/libX11.so.6(XGetVisualInfo+0x2c) [0x7f5e06f7f72c]
#4 /opt/matlab74/sys/java/jre/glnxa64/jre1.5.0/lib/amd64/xawt/libmawt.so [0x7f5dab3e6d05]
#5 /opt/matlab74/sys/java/jre/glnxa64/jre1.5.0/lib/amd64/xawt/libmawt.so [0x7f5dab3e6f93]
#6 /opt/matlab74/sys/java/jre/glnxa64/jre1.5.0/lib/amd64/xawt/libmawt.so(awt_init_Display+0x2b7) [0x7f5dab3e8251]
#7 /opt/matlab74/sys/java/jre/glnxa64/jre1.5.0/lib/amd64/xawt/libmawt.so(Java_sun_awt_X11GraphicsEnvironment_initDisplay+0x1d) [0x7f5dab3e8311]
#8 [0x7f5dbf345f9b]

The MATLAB window comes up but none of the menus are displayed.

Hardy Beta, amd64, java-6-sun-1.6.0.05